Audited Supplier
Silver Copper Composite
Surface Mounted Contact
RoHS
Switches
Clean ,Smooth
as Customer Request
It Can Be Custom Made
Customization
Changhe
Paper Box
As Customer Request
China
Product Description
Circuit Breaker Contact Assemblies
Material: AgW/CuCr composites
Spec: 100kA interrupting capacity, 30k mechanical operations
Standard: IEC 60947-2
Motor Starter Contact Kits
Material: AgNi30 with arc runners
Spec: AC-3 duty cycle, 1M electrical cycles
Compliance: UL 508
Railway Pantograph Contact Strips
Material: Cu-impregnated carbon with Ag coating
Spec: 25kV/1kA continuous current, 300km/h dynamic performance
Standard: EN 50206
EV Battery Disconnect Units
Material: AgSnO contacts with laser-welded terminals
Spec: 900V DC, 500A peak current
Certification: ISO 8820-8
| 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 |
Inner package:vaccum plastic bag
Outside package:carton package;
Generally, air freight can be chosen, but sea freight is also an option.
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.
