Low-Resistance Contact Assembly for HVAC Control Systems and Temperature Regulation Devices

• Customization: Available
• Materials: Silver Copper Composite
• Contact Mode: Surface Mounted Contact
• Certification: RoHS
• Application: Switches
• Surface Treatment: Clean ,Smooth
• Voltage: as Customer Request
• Silver Rivets Material: It Can Be Custom Made
• Size: Customization
• Transport Package: Paper Box
• Specification: As Customer Request
• Trademark: Changhe
• Origin: China
• Production Capacity: 80000000

Product Description

Product Description

 

1. Circuit Breaker Contact Assemblies

   • Material: AgW/CuCr composites

   • Spec: 100kA interrupting capacity, 30k mechanical operations

   • Standard: IEC 60947-2

2. Motor Starter Contact Kits

   • Material: AgNi30 with arc runners

   • Spec: AC-3 duty cycle, 1M electrical cycles

   • Compliance: UL 508

3. Railway Pantograph Contact Strips

   • Material: Cu-impregnated carbon with Ag coating

   • Spec: 25kV/1kA continuous current, 300km/h dynamic performance

   • Standard: EN 50206

4. EV Battery Disconnect Units

   • Material: AgSnO contacts with laser-welded terminals

   • Spec: 900V DC, 500A peak current

   • Certification: ISO 8820-8

   

Product Parameters

  

Parameter	Specification	Buyer Requirements	Testing Standard
Base Material	Copper Alloy	High conductivity (≥80% IACS) or corrosion resistance per application needs	ASTM B187 / ASTM A240
Contact Material	AgCdO (8-15%), AgSnO (6-12%), AgNi (10-20%), or Au-plated (0.5-5µm)	Arc erosion resistance, low contact resistance (<0.5mΩ)	IEC 60413 / MIL-G-45204
Rated Current	10A-500A (AC/DC)	Must match application load (e.g., 250A for EV charging)	UL 508 / IEC 60947-1
Voltage Rating	12V-1000V	Industry-specific (e.g., 800V for EV, 480V for industrial)	IEC 60664-1
Operating Temperature	-40°C to +150°C (standard); -65°C to +250°C (high-temp)	Aerospace: -65°C to +200°C; Automotive: -40°C to +125°C	ISO 16750-4 / MIL-STD-810
Mechanical Life	50k-1M cycles	Industrial: 100k+ cycles; Medical: 50k+ with <10% resistance drift	IEC 60512 / EIA-364
Electrical Life	10k-100k cycles (at rated load)	Data centers: 50k+ cycles @ 100A; Renewables: 25k+ @ 150A	UL 1054 / IEC 61058
Contact Force	2N-20N	High-vibration apps (e.g., aerospace): ≥10N; Consumer electronics: 2-5N	DIN 41640 / EIA-364-04
Insulation Resistance	≥100MΩ (500VDC)	Medical/defense: ≥1GΩ; Industrial: ≥100MΩ	IEC 60664-1 / IPC-9201
Dielectric Strength	1kV-5kV AC (1 min)	EV/high-voltage: ≥2.5kV; Telecom: ≥1.5kV	UL 840 / IEC 60112
IP Rating	IP65-IP69K	Marine/offshore: IP68; Automotive: IP67	IEC 60529
Compliance	RoHS/REACH, UL/CE, ISO 9001	Region-specific (e.g., CE for EU, UL for North America)	Directive 2011/65/EU

  

Main Products

   

Packaging & Shipping

 Inner package:vaccum plastic bag
Outside package:carton package;
Generally, air freight can be chosen, but sea freight is also an option.


 

About us

FAQ

Q1: Are you trading company or manufacturer ?
A: We are factory and  Provide a variety of hardware stamping products and CNC products OEM and ODM solutions.

Q2: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.

Q3: If I wish to send an electronic drawing to you, what types of files can you accept?
A: We accept many formats, such as DXF, DWG and STP.

Q4.What is the shipping method? 
A:It could be shipped by sea,by sea or by express(EMS,UPS,DHL,TNT,FEDEX and ect). Please confirm with us before placing orders.

If you have another question, pls feel free to contact us.