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EHJ100A | 100A 12V MZJ-100S DC Contactor
The EHJ400 DC Contactor for MZJ-100S replacement is designed for dependable switching in low to medium-current DC applications. With a rated contact current of 100A and a maximum contact switching voltage of ≤80VDC, the DC relay ensures safe and stable operation in demanding environments.
An optional auxiliary micro switch enables remote status monitoring or control feedback, making it ideal for electric vehicles, renewable energy systems, and industrial power equipment.
Specifications
| Specification | DATA |
|---|---|
| Model: | EHJ100 |
| Rated Contact Current: | 100A |
| Max Contact Switching Voltage: | ≤80VDC |
| Rated Coil Voltage: | 12V, 24V, 48V, 72VDC |
| Contact Arrangement: | 1 Form, SPST-NO |
| Auxiliary (Optional): | Micro switch |
Wiring Diagram
Dimension Drawing
Applications
The EHJ series DC Contactor is widely used in DC power switching for:
Electric Vehicles & Utility Carts
Battery isolation and traction control.
Renewable Energy Systems
Battery bank connection for solar, wind, and hybrid setups.
Marine DC Power
Reliable switching for propulsion and onboard circuits.
Material Handling Equipment
Forklifts, pallet trucks, and cranes.
Backup Power Systems
DC circuit isolation in UPS and generator setups.
Battery Charging Stations
Load management in high-current chargers.
Why Choose Us as a DC Contactor Supplier?
DC Component Specialists
Over 10 years of expertise in DC contactors, MCBs, surge protection, and related power components.
Rigorous Quality Testing
100% inspection before shipment for performance, durability, and safety.
Custom Engineering Solutions
Flexible coil voltage, contact configuration, and mounting options to match your application.
Fast International Delivery
Reliable logistics to Europe, North America, Asia, and beyond.
Expert Technical Assistance
Engineering team available for installation guidance and troubleshooting.
Competitive Wholesale Pricing
Designed to maximize value for industrial and commercial buyers.
FAQs
What is the continuous current rating?
rated for 100A continuous operation.
What is the maximum switching voltage?
It supports up to ≤80VDC.
What coil voltage options are available?
12V, 24V, 48V, and 72VDC.
What does SPST-NO mean?
It stands for Single Pole Single Throw – Normally Open, meaning the circuit is open until the coil is energized.
Is an auxiliary contact available?
Yes, an optional micro switch can be added.
Can it be used in AC circuits?
No, it is specifically designed for DC applications.
Is it suitable for marine environments?
Yes, if installed in a protected enclosure to avoid corrosion.
Is it compliant with environmental standards?
Yes, it meets RoHS requirements.
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