{"product_id":"ssr-10dd-25dd-40dd-single-phase-dc-controlled-dc-ssr-solid-state-relay-with-plastic-dust-cover-heat-sink-220v-10a-25a-40a","title":"SSR-10DD 25DD 40DD Single Phase DC Controlled DC SSR Solid State Relay With Plastic Dust Cover Heat Sink 220V 10A 25A 40A","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\u003eContact Load\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eLow Power\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eEU LVD Voltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eLow voltage: Below 50Vac or 75Vdc\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\"\u003eSSR-10DD 25DD 40DD\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\u003cp\u003e\u003cspan\u003ePower Source\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eDC\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eProtect Feature\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eSealed\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eTheory\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eSolid State Relay\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eUse\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eGeneral Purpose\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eis_customized\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eno\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAttention：\u003c\/strong\u003eSolar equipment is a mixed load, we do not recommend using solid state relays.If you want to try, you need to buy a solid state relay with 10 times the current.At the same time, if the solid state relay does not work normally on the solar equipment, we do not provide return service.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSTEP 1: Choose a correct control Mode\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003eAA- AC Control AC\u003c\/p\u003e\u003cp\u003eDA- DC Control AC\u003c\/p\u003e\u003cp\u003eDD- DC Control DC\u003c\/p\u003e\u003cp\u003eVA-Control and Adjust\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSTEP 2: Choose a correct type\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003eCurrent of Equipment\/Ratio = Current of SSR\u003c\/p\u003e\u003cp\u003ePS: The Ratio depend on the kind of your loading equipment.\u003c\/p\u003e\u003cp\u003eResistive load :70%, Inductive load:20%,Capacitive load：10%.\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSTEP 3: Choose a suitable heat sink.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003eDuring the useage of SSR, it will give out a lot of heat, so in order to extend the life of your SSR, please install a heat sink , also if the current is over 60A,the  cooling fan also required.\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNOTICE:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003eThe inside of the solid-state relay is a semiconductor. A semiconductor switch is a non-physical contact switch. if use a multimeter diode or resistor to test ,it always show a high-impedance state, (multimeter light red).\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003eAccording to the conventional detection methods of solid state relays: a load is required to test the switching state. Using an incandescent lamp as a dummy load is an obvious way to test continuity.\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sb354cf13b85f45b2b31d44007866a970P.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S30bdf914c1bc48ee89dafad461685249I.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S55efd1964db94da9b5ffbd78b439cb373.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sd54a1e23744344cd87e82be08e6a83a9V.jpg\" slate-data-type=\"image\"\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Yoeruyo","offers":[{"title":"Heat Sink","offer_id":55428648075563,"sku":"5:100014065#Heat Sink","price":14.13,"currency_code":"USD","in_stock":true},{"title":"SSR-40DD","offer_id":55428648108331,"sku":"5:200004183#SSR-40DD","price":25.25,"currency_code":"USD","in_stock":true},{"title":"SSR-25DD","offer_id":55428648141099,"sku":"5:200004182#SSR-25DD","price":24.35,"currency_code":"USD","in_stock":true},{"title":"SSR-10DD","offer_id":55428648173867,"sku":"5:200004763#SSR-10DD","price":23.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/Sb354cf13b85f45b2b31d44007866a970P.webp?v=1788582835","url":"https:\/\/yoeruyo.com\/products\/ssr-10dd-25dd-40dd-single-phase-dc-controlled-dc-ssr-solid-state-relay-with-plastic-dust-cover-heat-sink-220v-10a-25a-40a","provider":"Yoeruyo","version":"1.0","type":"link"}