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Home Automotive Swiss-type Machining Battery-Relay iron core High Precision Relay Components for Automotive & EV Applications
Reliable Automotive Relay for Stable Power Switching
Reliable Automotive Relay for Stable Power Switching
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The Precision Behind High-Performance Relays
The Precision Behind High-Performance Relays

High Precision Relay Components for Automotive & EV Applications

  • 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: Automotive Swiss-type Machining, Battery-Relay, iron core
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Description

Smart Battery Disconnect Relay for Vehicle Power Control

The smart battery disconnect relay is a critical power management component designed to safely control the connection between batteries and electrical loads. Commonly used in vehicle systems, solar energy setups, and backup power solutions, it helps prevent overcurrent, deep discharge, and system damage while ensuring stable energy distribution.

High Current Handling & Electrical Efficiency

Engineered for demanding applications, this smart battery disconnect relay supports high current loads with excellent conductivity and ultra-low contact resistance. Precision-machined contact components ensure efficient power transfer, reduced energy loss, and long-term electrical stability.

Designed for Harsh Operating Environments

Built to perform reliably in challenging conditions, the relay features high-temperature resistance, corrosion protection, and strong vibration resistance. Anti-loosening structural design ensures secure electrical connections in vehicles, industrial machinery, and mobile systems.

Precision Manufacturing for Reliable Performance

Each relay component is produced through precision turning and machining processes to ensure consistent dimensions, accurate fit, and stable operation. This level of precision enhances switching reliability and extends service life in continuous-duty applications.

Modular Structure for Flexible Integration

The modular design allows easy integration into various vehicle and power system architectures. It also supports future upgrades or configuration adjustments, making it suitable for evolving electrical system requirements.

OEM / ODM Customization Service

Caiyi provides comprehensive OEM and ODM customization for smart battery disconnect relays. From material selection and electrical specifications to structural design and branding, we support tailored solutions that align with your project needs and system standards.

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Who We Are

  • A leading ODM/OEM Swiss-type machining manufacturer with 25+ years of R&D experience. We deliver precision products with 0.001mm accuracy, serving industries like automotive, medical, and electronics.
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  • Home
  • Product
    • Automotive Swiss-type Machining
      • Battery-Relay
        • iron core
        • Limiting post
        • Rolling nut Parts
      • Feihua Shaft
      • mandrel
      • Others
    • Electronic Swiss-type Machining
      • Electronic Lock
      • Watch Camera
      • Small rotating
      • Others
    • Fruit Blender Swiss-type Machining
  • Blog
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  • FAQ
  • About us
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