250A Arc Suppression DC Relay Module 12V to 96V

250A High Voltage Arc Suppression DC Relay Module

This heavy-duty DC relay module is engineered for demanding electrical switching applications. With a maximum switching current of 250A and compatibility with coil voltages from DC12V all the way up to DC96V, this relay is an ideal component for electric vehicles, solar energy systems, battery management systems, industrial motor control, and other high-current DC circuits. Its built-in arc suppression design protects contacts and surrounding components during switching events, extending the service life of your system.

Key Features

• Wide Voltage Range: Compatible with coil voltages of DC12V, DC24V, DC36V, DC48V, DC60V, DC72V, DC84V, and DC96V — versatile enough for a broad range of systems.
• High Current Capacity: Rated for up to 250A at 14VDC (resistive load), making it suitable for heavy-duty motor and battery applications.
• Arc Suppression Technology: Minimizes electrical arcing during contact switching, protecting circuits and improving relay longevity.
• Silver Alloy Contacts: Highly conductive silver alloy contact material ensures low resistance, reliable switching, and excellent durability.
• Maximum Switching Voltage: Rated up to 150VDC maximum switching voltage, compatible with a variety of DC power systems.
• Compact Module Design: Easy to integrate into existing control panels, EV battery packs, solar storage systems, and industrial equipment.

Technical Specifications

Package Contents

• 1 × DC Relay Module

Important Notes

• Due to screen calibration differences, the actual product color may vary slightly from images shown.
• Please allow a tolerance of 1mm–1cm due to manual measurement.
• Made in Mainland China.

Learn More About Electrical Safety

For guidance on safe handling of high-voltage DC electrical components and workplace electrical safety standards, visit the OSHA Electrical Safety resource page. Proper installation by a qualified electrician is always recommended for high-current relay applications.

Frequently Asked Questions

Q: What applications is this 250A DC relay module suitable for?

A: This high-current DC relay module is well-suited for electric vehicles (EVs), e-bikes, golf carts, solar panel battery storage systems, industrial motor controllers, forklift battery systems, and any DC circuit requiring reliable high-current switching up to 250A and voltages up to 150VDC.

Q: What does arc suppression mean and why does it matter?

A: Arc suppression refers to the relay's ability to minimize or quench the electrical arc that can form when high-current contacts open or close. Without suppression, arcing can damage contacts, degrade insulation, and shorten the life of the relay and connected components. This module's arc suppression design helps protect your circuit and extend the relay's service life.

Q: Can I use this relay with a 48V lithium battery system?

A: Yes. This relay supports a 200A load at 48VDC, making it an excellent choice for 48V lithium battery packs, energy storage systems, and similar applications. Select the DC48V coil voltage variant when ordering to match your control circuit.

Q: Is this relay module easy to install?

A: The module is designed for straightforward integration into control panels and battery systems. However, because it handles very high currents, proper wiring gauge, terminal torque specifications, and circuit protection (such as fusing) should be observed. Installation by a qualified electrician or technician is strongly recommended.