630A Fixed Contact (Improved Version) Fix Contant 630A manufacturer from China Yueqing Zeen Appliance Co.,Ltd

Product Detail

Model No.: Fix Contant 630A

Production Capacity: 10000pcs/week

Delivery Date: based on quantity

rated current:: 630A/1250A/2000A/3150A/4000...

type: Fix Contant 630A φ35x72

type 2: Fix Contant 1250A φ55x82

type 4: Fix Contant 3150A φ109x107

Means of Transport: Ocean,Land,Air

Packing: standard packing

Brand Name: HB

application:: switchgear, vacuum circuit ...

type 1: Fix Contant 1250A φ40x72

type 3: Fix Contant 2000-2500A φ79x...

type 5: Fix Contant 4000A φ109x107 ...

This fixed contact is for medium and high voltage vacuum circuit breaker and switchgear.
1.professional manufacturer
2.good quality

1.Material:Copper and Aluminum
2.Rated current:630A
3.Application:Vacuum Circuit Breaker
4.High quality

Features :

Specification:

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