{"product_id":"zct-series-core-balance-current-transformer-50mm-80mm-hole-100a-200a-residual-current-detection-coil-screw-mounting","title":"Zct Series Core Balance Current Transformer 50Mm\/80Mm Hole 100A\/200A Residual Current Detection Coil Screw Mounting","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNONE\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eModel Number\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eZct\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cp style='font-family:quote-cjk-patch, Inter, system-ui, -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Oxygen, Ubuntu, Cantarell, \"Open Sans\", \"Helvetica Neue\", sans-serif;font-size:16px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(15, 17, 21);margin:16px 0px;margin-bottom:16px;margin-top:16px;margin-left:0px;margin-right:0px' class=\"ds-markdown-paragraph\" align=\"start\"\u003e\u003cstrong\u003e\u003cspan\u003eProduct name:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003eZct series zero sequence current transformer\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style='font-family:quote-cjk-patch, Inter, system-ui, -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Oxygen, Ubuntu, Cantarell, \"Open Sans\", \"Helvetica Neue\", sans-serif;font-size:16px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(15, 17, 21);margin:16px 0px;margin-bottom:16px;margin-top:16px;margin-left:0px;margin-right:0px' class=\"ds-markdown-paragraph\" align=\"start\"\u003e\u003cstrong\u003e\u003cspan\u003eAvailable models:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style='font-family:quote-cjk-patch, Inter, system-ui, -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Oxygen, Ubuntu, Cantarell, \"Open Sans\", \"Helvetica Neue\", sans-serif;font-size:16px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(15, 17, 21);margin:16px 0px;margin-bottom:16px;margin-top:16px;margin-left:0px;margin-right:0px;padding-left:18px' align=\"start\"\u003e\n\u003cli\u003e\u003cp style=\"margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\" class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eZct-50 (100 a)\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin-top:6px\"\u003e\u003cp style=\"margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\" class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eZct-80 (200 a)\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style='font-family:quote-cjk-patch, Inter, system-ui, -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Oxygen, Ubuntu, Cantarell, \"Open Sans\", \"Helvetica Neue\", sans-serif;font-size:16px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(15, 17, 21);margin:16px 0px;margin-bottom:16px;margin-top:16px;margin-left:0px;margin-right:0px' class=\"ds-markdown-paragraph\" align=\"start\"\u003e\u003cstrong\u003e\u003cspan\u003eCategory:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003eProtection relay accessory \/ zero sequence current transformer\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style='font-family:quote-cjk-patch, Inter, system-ui, -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Oxygen, Ubuntu, Cantarell, \"Open Sans\", \"Helvetica Neue\", sans-serif;font-size:16px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(15, 17, 21);margin:16px 0px;margin-bottom:16px;margin-top:16px;margin-left:0px;margin-right:0px' class=\"ds-markdown-paragraph\" align=\"start\"\u003e\u003cstrong\u003e\u003cspan\u003eAperture (inner hole diameter - optional):\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003e50 mm, 80 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style='font-family:quote-cjk-patch, Inter, system-ui, -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Oxygen, Ubuntu, Cantarell, \"Open Sans\", \"Helvetica Neue\", sans-serif;font-size:16px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(15, 17, 21);margin:16px 0px;margin-bottom:16px;margin-top:16px;margin-left:0px;margin-right:0px' class=\"ds-markdown-paragraph\" align=\"start\"\u003e\u003cstrong\u003e\u003cspan\u003eRated operating current (optional)\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003e100a, 200a\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style='font-family:quote-cjk-patch, Inter, system-ui, -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Oxygen, Ubuntu, Cantarell, \"Open Sans\", \"Helvetica Neue\", sans-serif;font-size:16px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(15, 17, 21);margin:16px 0px;margin-bottom:16px;margin-top:16px;margin-left:0px;margin-right:0px' class=\"ds-markdown-paragraph\" align=\"start\"\u003e\u003cstrong\u003e\u003cspan\u003eMounting method:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eScrew mounting\u003c\/span\u003e\u003c\/p\u003e\n\u003cbr\u003e\u003cbr\u003e\u003ch2 style='font-family:quote-cjk-patch, Inter, system-ui, -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Oxygen, Ubuntu, Cantarell, \"Open Sans\", \"Helvetica Neue\", sans-serif;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(15, 17, 21);margin:32px 0px 16px;margin-bottom:16px;margin-top:32px;margin-left:0px;margin-right:0px' align=\"start\"\u003e\u003cspan\u003eZct series zero sequence current transformer\u003c\/span\u003e\u003c\/h2\u003e\n\u003chr style='font-family:quote-cjk-patch, Inter, system-ui, -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Oxygen, Ubuntu, Cantarell, \"Open Sans\", \"Helvetica Neue\", sans-serif;font-size:16px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(15, 17, 21);border:medium;margin:32px 0px;margin-bottom:32px;margin-top:32px;margin-left:0px;margin-right:0px;display:block;height:1px' align=\"start\"\u003e\n\u003ch3 style='font-family:quote-cjk-patch, Inter, system-ui, -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Oxygen, Ubuntu, Cantarell, \"Open Sans\", \"Helvetica Neue\", sans-serif;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(15, 17, 21);margin:32px 0px 16px;margin-bottom:16px;margin-top:32px;margin-left:0px;margin-right:0px' align=\"start\"\u003e\u003cspan\u003eProduct overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp style='font-family:quote-cjk-patch, Inter, system-ui, -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Oxygen, Ubuntu, Cantarell, \"Open Sans\", \"Helvetica Neue\", sans-serif;font-size:16px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(15, 17, 21);margin:16px 0px;margin-bottom:16px;margin-top:16px;margin-left:0px;margin-right:0px' class=\"ds-markdown-paragraph\" align=\"start\"\u003e\u003cspan\u003eThe zct series is a range of high-precision zero sequence current transformers (also known as core balance current transformers) designed for earth leakage protection systems. these devices detect residual currents in ac power distribution networks and provide critical input signals to leakage protection relays, enabling rapid fault identification and circuit isolation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style='font-family:quote-cjk-patch, Inter, system-ui, -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Oxygen, Ubuntu, Cantarell, \"Open Sans\", \"Helvetica Neue\", sans-serif;font-size:16px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(15, 17, 21);margin:16px 0px;margin-bottom:16px;margin-top:16px;margin-left:0px;margin-right:0px' class=\"ds-markdown-paragraph\" align=\"start\"\u003e\u003cspan\u003eAvailable in two models with different aperture sizes and rated currents, the zct series offers flexible solutions for a wide variety of industrial, commercial, and residential applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr style='font-family:quote-cjk-patch, Inter, system-ui, -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Oxygen, Ubuntu, Cantarell, \"Open Sans\", \"Helvetica Neue\", sans-serif;font-size:16px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(15, 17, 21);border:medium;margin:32px 0px;margin-bottom:32px;margin-top:32px;margin-left:0px;margin-right:0px;display:block;height:1px' align=\"start\"\u003e\n\u003ch3 style='font-family:quote-cjk-patch, Inter, system-ui, -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Oxygen, Ubuntu, Cantarell, \"Open Sans\", \"Helvetica Neue\", sans-serif;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(15, 17, 21);margin:32px 0px 16px;margin-bottom:16px;margin-top:32px;margin-left:0px;margin-right:0px' align=\"start\"\u003e\u003cspan\u003eModels available:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv style='font-family:quote-cjk-patch, Inter, system-ui, -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Oxygen, Ubuntu, Cantarell, \"Open Sans\", \"Helvetica Neue\", sans-serif;font-size:16px;font-weight:400;letter-spacing:normal;white-space:normal;color:rgb(15, 17, 21);overflow:auto;position:relative;z-index:0' class=\"ds-scroll-area ds-scroll-area--show-on-focus-within ds-scroll-area--enabled _1210dd7 c03cafe9 _5ac647c\" align=\"start\"\u003e\n\u003cdiv style=\"display:block;width:752px;height:0px;left:0px;position:sticky;right:0px;top:0px;z-index:1000\" class=\"ds-scroll-area__gutters\"\u003e\n\u003cdiv style=\"display:block;height:8px;left:0px;position:absolute;right:0px;top:calc(var(--container-height) - 14px)\" class=\"ds-scroll-area__horizontal-gutter\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"width:8px;bottom:calc(0px - var(--container-height) + 3px);position:absolute;right:3px;top:3px\" class=\"ds-scroll-area__vertical-gutter\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ctable style=\"border-collapse:collapse;width:752px\"\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd style=\"text-align:left;border-bottom:1px solid var(--dsw-alias-border-l3);border-top:medium;padding:10px 16px 10px 0px;padding-bottom:10px;padding-top:10px;padding-left:0px;padding-right:16px;max-width:min(30vw, 320px);min-width:100px\" align=\"left\"\u003e\u003cp\u003e\u003cspan\u003eModel\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align:left;border-bottom:1px solid var(--dsw-alias-border-l3);border-top:medium;padding:10px 16px;padding-bottom:10px;padding-top:10px;padding-left:16px;padding-right:16px;max-width:min(30vw, 320px);min-width:100px\" align=\"left\"\u003e\u003cp\u003e\u003cspan\u003eInner hole diameter\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align:left;border-bottom:1px solid var(--dsw-alias-border-l3);border-top:medium;padding:10px 16px;padding-bottom:10px;padding-top:10px;padding-left:16px;padding-right:16px;max-width:min(30vw, 320px);min-width:100px\" align=\"left\"\u003e\u003cp\u003e\u003cspan\u003eRated current\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 16px 10px 0px;min-width:100px\"\u003e\u003cp\u003e\u003cspan\u003eZct–50\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px 16px;min-width:100px\"\u003e\u003cp\u003e\u003cspan\u003e50 mm\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px 0px 10px 16px;min-width:100px\"\u003e\u003cp\u003e\u003cspan\u003e100 a\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 16px 10px 0px;min-width:100px\"\u003e\u003cp\u003e\u003cspan\u003eZct–80\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px 16px;min-width:100px\"\u003e\u003cp\u003e\u003cspan\u003e80 mm\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px 0px 10px 16px;min-width:100px\"\u003e\u003cp\u003e\u003cspan\u003e200 a\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003chr style='font-family:quote-cjk-patch, Inter, system-ui, -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Oxygen, Ubuntu, Cantarell, \"Open Sans\", \"Helvetica Neue\", sans-serif;font-size:16px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(15, 17, 21);border:medium;margin:32px 0px;margin-bottom:32px;margin-top:32px;margin-left:0px;margin-right:0px;display:block;height:1px' align=\"start\"\u003e\n\u003ch3 style='font-family:quote-cjk-patch, Inter, system-ui, -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Oxygen, Ubuntu, Cantarell, \"Open Sans\", \"Helvetica Neue\", sans-serif;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(15, 17, 21);margin:32px 0px 16px;margin-bottom:16px;margin-top:32px;margin-left:0px;margin-right:0px' align=\"start\"\u003e\u003cspan\u003eKey features\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul style='font-family:quote-cjk-patch, Inter, system-ui, -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Oxygen, Ubuntu, Cantarell, \"Open Sans\", \"Helvetica Neue\", sans-serif;font-size:16px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(15, 17, 21);margin:16px 0px;margin-bottom:16px;margin-top:16px;margin-left:0px;margin-right:0px;padding-left:18px' align=\"start\"\u003e\n\u003cli\u003e\u003cp style=\"margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\" class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eHigh sensitivity\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e– accurately detects zero sequence currents caused by earth leakage faults, ensuring reliable protection system activation.\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin-top:6px\"\u003e\u003cp style=\"margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\" class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eTwo aperture options\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e– choose between 50mm (zct-50) and 80mm (zct-80) inner diameters to accommodate different cable sizes and busbar configurations.\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin-top:6px\"\u003e\u003cp style=\"margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\" class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eTwo current ratings\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e– available in 100a (zct-50) and 200a (zct-80) rated currents to match various system load capacities.\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin-top:6px\"\u003e\u003cp style=\"margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\" class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eScrew mounting design\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e– equipped with pre-drilled mounting holes for quick and secure panel installation using standard screws.\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin-top:6px\"\u003e\u003cp style=\"margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\" class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eCompact and durable construction\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e– built with high-quality insulating materials, offering excellent electrical insulation and long-term operational reliability.\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin-top:6px\"\u003e\u003cp style=\"margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\" class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eWide compatibility\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e– designed to work seamlessly with most residual current relays, leakage protection relays, and earth fault monitoring devices on the market.\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style='font-family:quote-cjk-patch, Inter, system-ui, -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Oxygen, Ubuntu, Cantarell, \"Open Sans\", \"Helvetica Neue\", sans-serif;font-size:16px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(15, 17, 21);border:medium;margin:32px 0px;margin-bottom:32px;margin-top:32px;margin-left:0px;margin-right:0px;display:block;height:1px' align=\"start\"\u003e\n\u003ch3 style='font-family:quote-cjk-patch, Inter, system-ui, -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Oxygen, Ubuntu, Cantarell, \"Open Sans\", \"Helvetica Neue\", sans-serif;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(15, 17, 21);margin:32px 0px 16px;margin-bottom:16px;margin-top:32px;margin-left:0px;margin-right:0px' align=\"start\"\u003e\u003cspan\u003eTechnical specifications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv style='font-family:quote-cjk-patch, Inter, system-ui, -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Oxygen, Ubuntu, Cantarell, \"Open Sans\", \"Helvetica Neue\", sans-serif;font-size:16px;font-weight:400;letter-spacing:normal;white-space:normal;color:rgb(15, 17, 21);overflow:auto;position:relative;z-index:0' class=\"ds-scroll-area ds-scroll-area--show-on-focus-within ds-scroll-area--enabled _1210dd7 c03cafe9 _5ac647c\" align=\"start\"\u003e\n\u003cdiv style=\"display:block;width:752px;height:0px;left:0px;position:sticky;right:0px;top:0px;z-index:1000\" class=\"ds-scroll-area__gutters\"\u003e\n\u003cdiv style=\"display:block;height:8px;left:0px;position:absolute;right:0px;top:calc(var(--container-height) - 14px)\" class=\"ds-scroll-area__horizontal-gutter\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"width:8px;bottom:calc(0px - var(--container-height) + 3px);position:absolute;right:3px;top:3px\" class=\"ds-scroll-area__vertical-gutter\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ctable style=\"border-collapse:collapse;width:752px\"\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd style=\"text-align:left;border-bottom:1px solid var(--dsw-alias-border-l3);border-top:medium;padding:10px 16px 10px 0px;padding-bottom:10px;padding-top:10px;padding-left:0px;padding-right:16px;max-width:min(30vw, 320px);min-width:100px\" align=\"left\"\u003e\u003cp\u003e\u003cspan\u003eParameter\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align:left;border-bottom:1px solid var(--dsw-alias-border-l3);border-top:medium;padding:10px 16px;padding-bottom:10px;padding-top:10px;padding-left:16px;padding-right:16px;max-width:min(30vw, 320px);min-width:100px\" align=\"left\"\u003e\u003cp\u003e\u003cspan\u003eZct–50\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align:left;border-bottom:1px solid var(--dsw-alias-border-l3);border-top:medium;padding:10px 16px;padding-bottom:10px;padding-top:10px;padding-left:16px;padding-right:16px;max-width:min(30vw, 320px);min-width:100px\" align=\"left\"\u003e\u003cp\u003e\u003cspan\u003eZct–80\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 16px 10px 0px;min-width:100px\"\u003e\u003cp\u003e\u003cspan\u003eSeries\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px 16px;min-width:100px\"\u003e\u003cp\u003e\u003cspan\u003eZct series\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px 0px 10px 16px;min-width:100px\"\u003e\u003cp\u003e\u003cspan\u003eZct series\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 16px 10px 0px;min-width:100px\"\u003e\u003cp\u003e\u003cspan\u003eInner hole diameter\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px 16px;min-width:100px\"\u003e\u003cp\u003e\u003cspan\u003e50 mm\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px 0px 10px 16px;min-width:100px\"\u003e\u003cp\u003e\u003cspan\u003e80 mm\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 16px 10px 0px;min-width:100px\"\u003e\u003cp\u003e\u003cspan\u003eRated current\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px 16px;min-width:100px\"\u003e\u003cp\u003e\u003cspan\u003e100 a\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px 0px 10px 16px;min-width:100px\"\u003e\u003cp\u003e\u003cspan\u003e200 a\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 16px 10px 0px;min-width:100px\"\u003e\u003cp\u003e\u003cspan\u003eSignal output\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px 16px;min-width:100px\"\u003e\u003cp\u003e\u003cspan\u003eResidual current \/ zero sequence current\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px 0px 10px 16px;min-width:100px\"\u003e\u003cp\u003e\u003cspan\u003eResidual current \/ zero sequence current\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 16px 10px 0px;min-width:100px\"\u003e\u003cp\u003e\u003cspan\u003eMounting method\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px 16px;min-width:100px\"\u003e\u003cp\u003e\u003cspan\u003eScrew mounting\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px 0px 10px 16px;min-width:100px\"\u003e\u003cp\u003e\u003cspan\u003eScrew mounting\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 16px 10px 0px;min-width:100px\"\u003e\u003cp\u003e\u003cspan\u003eInsulation class\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px 16px;min-width:100px\"\u003e\u003cp\u003e\u003cspan\u003eClass a (or higher)\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px 0px 10px 16px;min-width:100px\"\u003e\u003cp\u003e\u003cspan\u003eClass a (or higher)\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 16px 10px 0px;min-width:100px\"\u003e\u003cp\u003e\u003cspan\u003eOperating temperature\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px 16px;min-width:100px\"\u003e\u003cp\u003e\u003cspan\u003e-25°c to +70°c\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px 0px 10px 16px;min-width:100px\"\u003e\u003cp\u003e\u003cspan\u003e-25°c to +70°c\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003chr style='font-family:quote-cjk-patch, Inter, system-ui, -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Oxygen, Ubuntu, Cantarell, \"Open Sans\", \"Helvetica Neue\", sans-serif;font-size:16px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(15, 17, 21);border:medium;margin:32px 0px;margin-bottom:32px;margin-top:32px;margin-left:0px;margin-right:0px;display:block;height:1px' align=\"start\"\u003e\n\u003ch3 style='font-family:quote-cjk-patch, Inter, system-ui, -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Oxygen, Ubuntu, Cantarell, \"Open Sans\", \"Helvetica Neue\", sans-serif;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(15, 17, 21);margin:32px 0px 16px;margin-bottom:16px;margin-top:32px;margin-left:0px;margin-right:0px' align=\"start\"\u003e\u003cspan\u003eApplications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul style='font-family:quote-cjk-patch, Inter, system-ui, -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Oxygen, Ubuntu, Cantarell, \"Open Sans\", \"Helvetica Neue\", sans-serif;font-size:16px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(15, 17, 21);margin:16px 0px;margin-bottom:16px;margin-top:16px;margin-left:0px;margin-right:0px;padding-left:18px' align=\"start\"\u003e\n\u003cli\u003e\u003cp style=\"margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\" class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eDüşük gerilim dağıtım panellerinde kaçak akım koruma sistemleri\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin-top:6px\"\u003e\u003cp style=\"margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\" class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eResidual current monitoring in industrial motor control centers.\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin-top:6px\"\u003e\u003cp style=\"margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\" class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eGround fault detection in commercial building electrical systems\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin-top:6px\"\u003e\u003cp style=\"margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\" class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eLeakage protection for pumping stations and agricultural power networks\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin-top:6px\"\u003e\u003cp style=\"margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\" class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eRetrofit and upgrade projects for existing leakage protection installations\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style='font-family:quote-cjk-patch, Inter, system-ui, -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Oxygen, Ubuntu, Cantarell, \"Open Sans\", \"Helvetica Neue\", sans-serif;font-size:16px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(15, 17, 21);border:medium;margin:32px 0px;margin-bottom:32px;margin-top:32px;margin-left:0px;margin-right:0px;display:block;height:1px' align=\"start\"\u003e\n\u003ch3 style='font-family:quote-cjk-patch, Inter, system-ui, -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Oxygen, Ubuntu, Cantarell, \"Open Sans\", \"Helvetica Neue\", sans-serif;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(15, 17, 21);margin:32px 0px 16px;margin-bottom:16px;margin-top:32px;margin-left:0px;margin-right:0px' align=\"start\"\u003e\u003cspan\u003eOrdering information\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp style='font-family:quote-cjk-patch, Inter, system-ui, -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Oxygen, Ubuntu, Cantarell, \"Open Sans\", \"Helvetica Neue\", sans-serif;font-size:16px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(15, 17, 21);margin:16px 0px;margin-bottom:16px;margin-top:16px;margin-left:0px;margin-right:0px' class=\"ds-markdown-paragraph\" align=\"start\"\u003e\u003cspan\u003eWhen placing an order, please specify:\u003c\/span\u003e\u003c\/p\u003e\n\u003col style='font-family:quote-cjk-patch, Inter, system-ui, -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Oxygen, Ubuntu, Cantarell, \"Open Sans\", \"Helvetica Neue\", sans-serif;font-size:16px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(15, 17, 21);margin:16px 0px;margin-bottom:16px;margin-top:16px;margin-left:0px;margin-right:0px;padding-left:18px' align=\"start\"\u003e\n\u003cli\u003e\u003cp style=\"margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\" class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eModel (zct-50 or zct-80) – this determines both aperture size and rated current\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin-top:6px\"\u003e\u003cp style=\"margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\" class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eQuantity required.\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003chr style='font-family:quote-cjk-patch, Inter, system-ui, -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Oxygen, Ubuntu, Cantarell, \"Open Sans\", \"Helvetica Neue\", sans-serif;font-size:16px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(15, 17, 21);border:medium;margin:32px 0px;margin-bottom:32px;margin-top:32px;margin-left:0px;margin-right:0px;display:block;height:1px' align=\"start\"\u003e\n\u003cp style='font-family:quote-cjk-patch, Inter, system-ui, -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Oxygen, Ubuntu, Cantarell, \"Open Sans\", \"Helvetica Neue\", sans-serif;font-size:16px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(15, 17, 21);margin:16px 0px;margin-bottom:16px;margin-top:16px;margin-left:0px;margin-right:0px' class=\"ds-markdown-paragraph\" align=\"start\"\u003e\u003cspan\u003eFor detailed installation instructions, wiring diagrams, and safety precautions, please refer to the user manual included with the product.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr style='font-family:quote-cjk-patch, Inter, system-ui, -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Oxygen, Ubuntu, Cantarell, \"Open Sans\", \"Helvetica Neue\", sans-serif;font-size:16px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(15, 17, 21);border:medium;margin:32px 0px;margin-bottom:32px;margin-top:32px;margin-left:0px;margin-right:0px;display:block;height:1px' align=\"start\"\u003e\n\u003ch3 style='font-family:quote-cjk-patch, Inter, system-ui, -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Oxygen, Ubuntu, Cantarell, \"Open Sans\", \"Helvetica Neue\", sans-serif;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(15, 17, 21);margin:32px 0px 16px;margin-bottom:16px;margin-top:32px;margin-left:0px;margin-right:0px' align=\"start\"\u003e\u003cspan\u003eInstallation notes\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul style='font-family:quote-cjk-patch, Inter, system-ui, -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Oxygen, Ubuntu, Cantarell, \"Open Sans\", \"Helvetica Neue\", sans-serif;font-size:16px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(15, 17, 21);margin:16px 0px;margin-bottom:16px;margin-top:16px;margin-left:0px;margin-right:0px;padding-left:18px' align=\"start\"\u003e\n\u003cli\u003e\u003cp style=\"margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\" class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eThe transformer should be installed over all live conductors (phase conductors and neutral) passing through the aperture.\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin-top:6px\"\u003e\u003cp style=\"margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\" class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eEnsure the cable or busbar is centered within the hole for optimal measurement accuracy.\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin-top:6px\"\u003e\u003cp style=\"margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\" class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eSecure the unit firmly to the mounting panel using appropriate screws (not included).\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin-top:6px\"\u003e\u003cp style=\"margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\" class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eThe protective conductor (earth\/ground wire) must not pass through the transformer aperture.\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\r\n","brand":"Yoeruyo","offers":[{"title":"Zct-50 100A","offer_id":55446412984619,"sku":"14:771#ZCT-50 100A","price":608.72,"currency_code":"USD","in_stock":false},{"title":"Zct-80 200A","offer_id":55446413017387,"sku":"14:200002130#ZCT-80 200A","price":854.87,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/S4adcc68c2ae3427fa5efcba094d29affQ.webp?v=1788757205","url":"https:\/\/yoeruyo.com\/products\/zct-series-core-balance-current-transformer-50mm-80mm-hole-100a-200a-residual-current-detection-coil-screw-mounting","provider":"Yoeruyo","version":"1.0","type":"link"}