• English
    • Deutsch
    • French
    • Requires WPML plugin
  • Country
    • United States (USD)
    • Deutschland (EUR)
    • Japan (JPY)
FREE SHIPPING FOR ALL ORDERS OF $150
  • Newsletter
  • Contact Us
  • FAQs
  • 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
    • Hardware Accessories
      • Spring seat, rotating seat body
      • Others
  • Blog
  • Applications
  • FAQ
  • About us
  • Contact us
  • English
    • English
    • Français
    • Русский
Search
Menu
Search
Click to enlarge
Home Automotive Swiss-type Machining Battery-Relay iron core Reliable Automotive Relay for High-Current Power Control
High-Performance Relay for Reliable Power Control
High-Performance Relay for Reliable Power Control
Back to products
High Precision CNC Machined Flanged Bushing
High Precision CNC Machined Flanged Bushing

Reliable Automotive Relay for High-Current 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

Categories: Automotive Swiss-type Machining, Battery-Relay, iron core
Share:
  • Description
  • Reviews (0)
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.

Reviews (0)

Reviews

There are no reviews yet.

Be the first to review “Reliable Automotive Relay for High-Current Power Control” Cancel reply

Your email address will not be published.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

Related products

CNC Machined High Concentricity Precision Mandrel for Mechanical and Automotive Use

CNC Machined High Concentricity Precision Mandrel for Mechanical and Automotive Use

Automotive Swiss-type Machining, mandrel
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-precision automotive pin shafts
high-precision automotive pin shaft detail

High-Precision Automotive Pin Shafts for Reliable Performance

Automotive Swiss-type Machining, Feihua Shaft
Material: Stainless steel (e.g., SUS304 / SUS316), carbon steel (e.g., 45 steel), alloy steel (customizable) Shape: Long cylindrical straight shaft structure, single-end knurling design (straight lines/grid lines) Flat or slightly chamfered ends Size Range: Diameter: φ2 mm – φ10 mm (customizable) Length: 20 mm – 300mm (adjustable upon request), Tolerance: ±0.001 mm or higher precision Internal Design: Solid Shaft structure,No hollow design, ensuring overall rigidity and strength Surface Treatment: Polishing, electroplating (nickel/chrome plating), blackening, passivation Manufacturing Process: CNC turning (CNC) Turning, precision knurling, fine grinding (optional), automated cutting and chamfering

High Precision Square Connecting Shaft and Threaded Block Assembly

Automotive Swiss-type Machining, Others
Material: Stainless steel, carbon steel, alloy steel Dimensions: Approximately 6 mm in diameter, approximately 48 mm in length (customizable) Structure: Integrated cylindrical connecting shaft, square threaded block, square/round hole composite structure Dimensional Accuracy: Tolerance: ±0.001 mm, Thread accuracy: 6H/6g (or as per drawing requirements) Processing Technology: CNC turning + CNC milling + internal and external thread machining Applications: Automation equipment, mechanical transmission components, tooling fixtures, industrial equipment connection and positioning systems
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

Automotive Swiss-type Machining, Battery-Relay
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
Valve Assembly Valve Stem Precision Stainless Steel Machined Shaft
automotive precision spindle shaft

Valve Assembly Valve Stem Precision Stainless Steel Machined Shaft

Automotive Swiss-type Machining, mandrel
Material: Stainless steel (such as SUS304/SUS316) or alloy steel Shape: Overall precision cylindrical shaft structure, with stepped shafts, locating shoulders, or end flanges in some areas. Size Range: Diameter typically ranges from Φ3 mm to Φ30 mm; length can be customized. Internal Design: The valve stem has a dense internal structure with no cavities, ensuring high strength and fatigue resistance. Surface Treatment: Surfaces can be finely polished, mirror-polished, passivated, or finely ground to reduce the coefficient of friction. Manufacturing Process: Machined using high-precision turning and precision grinding processes, with strict tolerance control for key dimensions; combined with full-process quality inspection.
OEM Custom Precise Shaft with Flawless Surface Finish

OEM Custom Swiss-type Machining Precise Shaft For Automotive

Automotive Swiss-type Machining, Feihua Shaft
Material: Stainless steel (e.g., SUS304 / SUS316), carbon steel (e.g., 45 steel), alloy steel (customizable) Shape: Long cylindrical straight shaft structure, single-end knurling design (straight lines/grid lines) Flat or slightly chamfered ends Size Range: Diameter: φ2 mm – φ10 mm (customizable) Length: 20 mm – 300mm (adjustable upon request), Tolerance: ±0.001 mm or higher precision Internal Design: Solid Shaft structure,No hollow design, ensuring overall rigidity and strength Surface Treatment: Polishing, electroplating (nickel/chrome plating), blackening, passivation Manufacturing Process: CNC turning (CNC) Turning, precision knurling, fine grinding (optional), automated cutting and chamfering
CNC Swiss Machining Limiting Post Battery-Relay
CNC Swiss machined parts

CNC Swiss Machining Limiting Post Battery-Relay

Automotive Swiss-type Machining, Battery-Relay, Limiting post
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 Precision CNC Spindle Shaft Manufacturer
EV battery module components

High Precision CNC Spindle Shaft Manufacturer

Automotive Swiss-type Machining, mandrel
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).

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.
Facebook Youtube Linkedin Instagram X-twitter Tiktok

Useful Links

  • Home
  • Product
  • Blog
  • Applications
  • FAQ
  • About Us
  • Contact Us

Contact Us

  • Adress:No.7 Fenghuang West Road, Humen Town,Dongguan City,Guangdong Province
  • Email:hanw1272@gmail.com
  • Email:zstella0706@gmail.com
  • Phone:+86 15086218420 / +86 15085604476
  • Whatsapp:15086218420 / 15085604476
Copyright ©Dongguan Caiyi Precision Technology Co., Ltd. All Rights Reserved.
  • 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
    • Hardware Accessories
      • Spring seat, rotating seat body
      • Others
  • Blog
  • Applications
  • FAQ
  • About us
  • Contact us
Start typing to see products you are looking for.

Sending...