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High Precision Relay Iron Core for Stable Electromagnetic Performance
High Precision Relay Iron Core for Stable Electromagnetic Performance

High Voltage EV Relay for Battery and Power Systems OEM Supplier

Material:High-conductivity stainless steel (e.g., SUS304/316L) or copper alloy (e.g., phosphor bronze), with nickel/tin plating

Shape:Cylindrical shape with internal threads or stepped interface

Size Range:Diameter: Φ8mm – Φ25mm; Height: 10mm – 40mm (customizable)

Internal Design:Precision-machined bore for pin insertion or threaded connection

Surface Finish:Polished + plated (to enhance conductivity and anti-oxidation)

Manufacturing Process:CNC turning + precision grinding + electrochemical polishing

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Description

Advanced High-Voltage Control for Next-Gen E-Mobility

As a dedicated OEM supplier, CAIYI delivers the high voltage EV relay series designed to meet the rigorous demands of modern electric vehicles and energy storage systems. We focus on bridging the gap between high-power performance and long-term safety, ensuring your power distribution units operate with maximum efficiency and zero downtime.

Core Engineering Highlights:

  • Superior DC Switching Performance: Specifically designed for high-voltage DC environments, our relays provide stable switching and reliable conductivity. They effectively manage the intense electrical demands of EV powertrains and charging infrastructures.

  • Seamless BMS Integration: We optimize our relays for perfect synchronization with Battery Management Systems. This integration allows for precise energy distribution and rapid circuit protection, safeguarding the battery pack’s integrity.

  • Exceptional Thermal & Mechanical Durability: Built with industrial-grade heat-resistant materials, our internal structures withstand continuous high-temperature operation and intense road vibrations without performance degradation.

  • High-Efficiency Circuitry: By minimizing contact resistance and accelerating response times, our relays reduce energy loss. This efficiency is critical for extending vehicle range and optimizing power system performance.

OEM Customization & Manufacturing Strength:

  • Tailored Technical Specifications: We offer flexible OEM solutions, allowing you to customize voltage ranges, current capacities, and housing configurations to fit your unique system architecture.

  • Direct Factory Supply: Eliminate middleman costs. As a direct manufacturer, CAIYI guarantees competitive wholesale pricing and a stable volume supply for global new energy projects.

  • Stringent Quality Assurance: Every high voltage EV relay undergoes rigorous testing for insulation, contact pressure, and cycle life to ensure compliance with international automotive safety standards.

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