Silver Plated Fixed Contacts Copper 630A Static Contact for Switchgear Cabinets

Silver Plated Fixed Contacts Copper 630A Static Contact for Switchgear Cabinets image

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Basic Info.

Model NO.

LYB101

Transport Package

Carton

Specification

35mm*82mm

Trademark

Liyond

Origin

China

HS Code

8538900000

Product Description

fixed contacts copper silver plated three microns LYB101 630A for vacuum ciruit breaker switchgear

630A Fixed Contact Finger Contact Male Contact for VCB Vacuum Circuit Breaker

Features:

1.Copper and aluminum combine products are new generations product.

2.The tensile and bending strength of it are outstanding, and bonding performance is also good.

3.There are no surface cracks after flattening and bending, they are the domestic new type of enery saving products currently.

4.Dynamic thermal stability, temperature rise and loop resistance are all compare favorably with the same levels of T2 copper, this is the idea products of the present electrical industry which can lower the costs.

Experimental measurement and test:

The product modle	T2Copper contact arm( Φ 50x158mm 1250A)	Copper Aluminium Contact Arm(Φ50×158mm 1250A)
One-way resistance	≤4 uΩ	≤5 uΩ
Circuit breaker loop resistance requirements	≤50 uΩ	≤50 uΩ(And solid seal into loop circuit breaker≤30 uΩ)
Temperature rise requirements 1.1 times of 1250A	≤75°	≤75°C(Actual measurement of temperature rise≤65°C)
Mechanical yield strength	340 N/mm ²	260 N/ mm ²
Dynamic thermal stability	Breaking 31.5 KA 4S Peak 80 KA	Breaking 31.5 KA 4S Peak 80 KA
Surface treatment	Silver plating	The material of original contact part is copper

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