ZN85 33KV 630a 1250a 3 phase draw-out indoor type Vacuum Circuit Breaker VCB

Mechanical Life: 10000 Times; Rated frequency: 50/60 Hz; Certificate: ISO9001; Rated short circuit-breaking current: 25KA ; 31.5KA;

Product Details Company Profile

Description

Place of Origin: Zhejiang, China (Mainland)
Brand Name: Conso
Model Number: ZN85-40.5
Type: Vacuum
Poles Number: 3
Rated current: 1250A / 1600A /2000A
Ambient Temp.: -15℃~40 ℃
Application: Circuit-breaking
Mechanical Life: 10000 Times
Rated frequency: 50/60 Hz
Certificate: ISO9001
Rated short circuit-breaking current: 25KA ; 31.5KA

ZN85-40.5 Series Vacuum Circuit Breaker

ZN85-40.5 Series indoor vacuum circuit breaker is a three-phase AC 50/60 Hz, rated voltage of 35kv indoor switchgear. It is widely equipped in industrial and mining enterprises, power plants and substation, electrical facilities. The Circuit Breakers can composed with VET, which can be either equipped with chassis or used as a stationary equipment.Some of the main circuit can compose with the whole soild seal post, in order to make circuit breaker more reliable. The Circuit breaker can be equipped with KYN61 switchgear.

NO.	ITEM	Unit	Parameter
1	Rated Voltage	KV	40.5
2	Rated Lighting Impulse Voltage tolerance	KV	185
3	1 min Frequency Voltage	KV	95
4	Frequency tolerance of the secondary circuit voltage (1 min)	V	2000
5	Rated short-circuit breaking current breaking number	Times	50
6	1min power frequency	KA	42/48
7	Lightning impulse withstand voltage (peak)	KA	75/85
8	Rated short-circuit breaking current	KA	20/25	31.5	40
9	Rated crurrent	A	630 1250	630/1250	1250/1600
				1600/2000	2000/2500
				2500/3150	3150/4000
10	Rated thermal stability of current（RMS）	kA	20/25	31.5	40
11	Dynamic Stability rated current（peak）	kA	63	80	100
12	Rated short-circuit closing current（peak）	kA	63	80	100
13	rated operating sequence		O-0.3s-CO-180s-CO O-180s-CO-180s-CO
14	Rated a single/back-to-back electric current breaking device group	A	630/400 800/400(40KA)
15	Mechanical life	Times	10000