500A Heavy Duty Car Starter Relay 12V 24V DC Dual Battery Isolator 4 Pin High Current Power Switch Contactor Truck RV Boat Marin
SPECIFICATIONS
Applicable Object: Other
Brand Name: EARU
Choice: yes
Coil power: 12V DC,24V DC
Contact Load: High Power
Contact switching current: 500A
EU LVD Voltage: Low voltage: Below 50Vac or 75Vdc
High-concerned chemical: none
Model Number: 500ACR-12V
Origin: Mainland China
Power Source: DC,DC
Protect Feature: Sealed
Voltage: 12V
is_customized: Yes
semi_Choice: yes
Features:
It help extend battery life.
Universal 12V applications.
Prevents primary battery discharge.
Made of water resistant black phenolic plastic.
The main function of this product is to switch on, it can be used alone, it can be also connected to control to use, but this product does not include additional control relay, and if the controller is connected, it mainly used in the dual battery.
Specifications:
Product series: auto relay
Contact load: high power
Contact switching current: 500A
Contact switching voltage: 7.8VDC
Contact form: transformation type
Rated current: 500A
Protective features: sealing type
Coil power: 12V DC, 24V DC
Weight: 235g
CONTACT DATA
Contact material |
AgSn0_27In_20_33 |
Contact form |
1H(1A) |
Contact Ratings |
500A |
Contact Resistance |
100mMax at 6VDC 1 A |
Max Switching Current |
500A |
Max Switching Voltage |
14VDC |
Max Switching Power |
500A |
Life Expectancy Electrical |
100,000 Operations(at 30 Operations/minute) |
Life Expectancy Mechanic |
10,000,000 Operations |
COIL SPECIFICATION
Nominal Voltage (VDC) |
Coil Resistance() |
Max Operate Voltage (VDC) |
Mix Release Voltage (VDC) |
Max Applicable Voltage (VDC) |
12 |
16 |
8 |
1.2 |
14 |
9 |
CHARACTERISTICS:
Temperature Range |
-30~80° |
Vibration Resistance |
10-55Hz,1.5mm |
|
Shock Resistance Operations Extremes Damage Limits |
50g |
100g | |
Humidity |
40-85% |
Insulation Resistance |
100mΩ min at 500vdc |
Safety Standard |
|
Dielectric Strength Between Open Contacts |
2000VAC(for 1 minuter/s) |
Between Contacts and coil |
1500VAC(for 1 minuter/s) |
Operate Time |
50ms |
Release Time |
50ms |
Package Included:
1 x Heavy current relay






- Standard Shipping: Standard Shipping (12–18 Business Days)
- Express Shipping: Expedited Shipping (5–9 Business Days)
- Free Shipping: Orders over $199 qualify automatically
- Tracking: Full tracking number provided for all orders
- Returns: 30-day hassle-free return window
- Condition: Items must be unused and in original packaging
- Refund: Full refund processed within 3-5 business days
- Factory Direct: ISO/TS 16949 certified manufacturer
- Quality: 100% electrical continuity tested before shipment
- Experience: 15+ years in automotive connector industry
- Support: Professional technical support available
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