ZN-85-40.5 handcart|Jingshe Electric Co., Ltd.

ZN-85-40.5 handcart

Product Category：Indoor high voltage vacuum circuit breaker

Intro：ZN-85-40.5 handcart (Draw out) type with Modular mechanism indoor vacuum circuit breaker is suitable for indoor high voltage switchgear with rated voltage of 40.5kV and three-phase AC 50Hz. It can be used as industrial and mining enterprises, power plants and substations as load current, overload current and short circuit. For current use, it is suitable for frequent operation. This VCB and operating mechanism used on the layout structure , effectively reduce the depth, mechanism design of circuit breakers is simple, the output curve and the performance is more suitable for the characteristics and requirements of 40.5KV vacuum circuit breaker.

Product Consultation

Description
ZN-85-40.5 handcart (Draw out) type with Modular mechanism indoor vacuum circuit breaker is suitable for indoor high voltage switchgear with rated voltage of 40.5kV and three-phase AC 50Hz. It can be used as industrial and mining enterprises, power plants and substations as load current, overload current and short circuit. For current use, it is suitable for frequent operation.
This VCB and operating mechanism used on the layout structure , effectively reduce the depth, mechanism design of circuit breakers is simple, the output curve and the performance is more suitable for the characteristics and requirements of 40.5KV vacuum circuit breaker.

Environment Condition:
- Ambient temperature:-25℃~+40℃
- Altitude: ≤2000m
- Daily average relative humidity: ≤ 95%
- Monthly average relative humidity: ≤90%
- Earthquake intensity: ≤8 degree
- No fire, explosion hazard, severe vibration, chemical corrosion and serious pollution

Technical Data

1	Rated voltage		kV	40.5
2	Rated current		A	1250		1600	2000, 2500
3	Rated short-circuit breaking current		kA	25	31.5	25	31.5
4	Rated withstand current (peak)		kA	63	80	63	80
5	4s rated short time withstand current		kA	25	31.5	25	31.5
6	Rated short circuit making current (peak)		kA	63	80	63	80
7	Rated short-circuit current breaking times		Time	20
8	Rated operating sequence			0-03s-Co-180s-Co
9	Rated insulation level	1min power frequency withstand voltage	kV	95
		Lightning impulse withstand voltage (peak)		185
10	Mechanical life		Time	10000
11	Contact opening distance		mm	20±2
12	Contact Over-travel (Length of spring compression)		mm	7.5±1.5
13	Three phase contact closing opening asynchrony		ms	≤2
14	Contact closing bounce time		ms	≤3
15	Main circuit resistance( excluding contact arm)		μΩ	≤40
16	Single capacitor bank breaking current		A	630
17	Back-to-back capacitor bank breaking current		A	400
18	Rated voltage electrical energy storage		V	AC,DC 110 220