Click to enlarge
OEM Reliable Imaging Front Camera for New EV Systems
OEM Reliable Imaging Front Camera for New EV Systems
Back to products
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

Categories: , Tag:
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.

Reviews (0)

Reviews

There are no reviews yet.

Be the first to review “High Voltage EV Relay for Battery and Power Systems OEM Supplier”

Your email address will not be published. Required fields are marked *

Related products

CNC Swiss machined parts custom
High Precision Relay Limit Post for Automotive Electrical Systems

Custom CNC Machined Automotive Limiting Posts with ±0.001mm Precision

, ,
Material: High-conductivity stainless steel (SUS304 / 316L) or copper alloy (phosphor bronze), with optional nickel or tin plating for enhanced electrical performance Shape: Precision cylindrical form with stepped geometry or internal threading for secure positioning and assembly Size Range: Diameter: Φ5–Φ25 mm; Height: 10–40 mm, fully customizable to fit specific relay designs Internal Design: Machined bore or threaded interface, ensuring accurate pin alignment and reliable mechanical connection Surface Finish: Polished and plated surface to reduce contact resistance, improve conductivity, and prevent oxidation
CNC Swiss Machining Limiting Post Battery-Relay
CNC Swiss machined parts

CNC Swiss Machining Limiting Post Battery-Relay

, ,
Material: High-conductivity stainless steel (SUS304 / 316L) or copper alloy (phosphor bronze), with optional nickel or tin plating for enhanced electrical performance Shape: Precision cylindrical form with stepped geometry or internal threading for secure positioning and assembly Size Range: Diameter: Φ5–Φ25 mm; Height: 10–40 mm, fully customizable to fit specific relay designs Internal Design: Machined bore or threaded interface, ensuring accurate pin alignment and reliable mechanical connection Surface Finish: Polished and plated surface to reduce contact resistance, improve conductivity, and prevent oxidation
High-Performance Automotive Relay for Stable Power Control
precision-machined relay parts

High Performance Automotive Relay for Stable Power Control

, ,
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
High Precision Relay Limit Post for Automotive Electrical Systems
CNC Swiss machined parts

High Precision Relay Limit Post for Automotive Electrical Systems

, ,
Material: High-conductivity stainless steel (SUS304 / 316L) or copper alloy (phosphor bronze), with optional nickel or tin plating for enhanced electrical performance Shape: Precision cylindrical form with stepped geometry or internal threading for secure positioning and assembly Size Range: Diameter: Φ5–Φ25 mm; Height: 10–40 mm, fully customizable to fit specific relay designs Internal Design: Machined bore or threaded interface, ensuring accurate pin alignment and reliable mechanical connection Surface Finish: Polished and plated surface to reduce contact resistance, improve conductivity, and prevent oxidation
CNC Machined New Energy Precision Spindle Shaft Mandrel for EV Motor & Battery Systems

CNC Machined New Energy Precision Spindle Shaft Mandrel for EV Motor & Battery Systems

,
1. Material: Stainless steel (304/316), alloy steel (40Cr/42CrMo), etc. 2. Structural Shape: Upper end: short positioning shaft (assembly guide), middle: flange step (stop/positioning), lower end: long shaft section (main functional section). 3. Size Range: Total length: 10 – 100 mm, shaft diameter (spindle): Φ6 – Φ12 mm, flange diameter: Φ12 – Φ25 mm. 4. Internal Design: Solid structure, no obvious internal bore, rounded corners (R-angle), H7/g6 fit, end chamfering. 5. Surface Treatment: Precision turning + polishing + grinding + electropolishing (stainless steel) + blackening (alloy steel) + nickel/chrome plating (wear-resistant and corrosion-resistant) + nitriding (improved wear resistance). 6. Manufacturing process: Blanking (bar stock), CNC turning (rough machining), finish turning (forming steps), heat treatment (if required), external cylindrical grinding (to ensure concentricity), polishing/surface treatment, and inspection (concentricity/dimensions).
High Performance Automotive Relay for EV Battery and Power Control Systems
precision-machined relay parts

High Performance Automotive Relay for EV Battery and Power Control Systems

,
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
OEM automotive mandrel shaft
custom mandrel shaft manufacturer

OEM Automotive Mandrel Shaft High Precision CNC Turning Parts Manufacturer

,
1. Material: Stainless steel (304/316), alloy steel (40Cr/42CrMo), etc. 2. Structural Shape: Upper end: short positioning shaft (assembly guide), middle: flange step (stop/positioning), lower end: long shaft section (main functional section). 3. Size Range: Total length: 10 – 100 mm, shaft diameter (spindle): Φ6 – Φ12 mm, flange diameter: Φ12 – Φ25 mm. 4. Internal Design: Solid structure, no obvious internal bore, rounded corners (R-angle), H7/g6 fit, end chamfering. 5. Surface Treatment: Precision turning + polishing + grinding + electropolishing (stainless steel) + blackening (alloy steel) + nickel/chrome plating (wear-resistant and corrosion-resistant) + nitriding (improved wear resistance). 6. Manufacturing process: Blanking (bar stock), CNC turning (rough machining), finish turning (forming steps), heat treatment (if required), external cylindrical grinding (to ensure concentricity), polishing/surface treatment, and inspection (concentricity/dimensions).
Automotive Part Relays for Vehicle Electrical Control Systems
smart battery disconnect relay

Automotive Part Relays for Vehicle Electrical Control Systems

,
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