ZN23-40.5/2000-31.5 indoor handcart type vacuum circuit breaker

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Product Details

Place of Origin	Zhejiang, China		Model Number	ZN23-40.5/2000-31.5
Type	Vacuum		Poles Number	3

Handcart type
Rated voltage 40.5kv
Three-phase AC 50Hz

AMBIENT CONDITION

1. the ambient temperature:not higher than+40℃,not less than 10℃

2.the altitude:≤1000M

3.relative humidity: daily average value is not greater than 95%, monthly average is not greater than 90%

4.the surrounding air is not corrosive and flammable gas, steam and other significant pollution

5.earthquake intensity:≤8 degree

TECHNICAL SPECIFICATION

Item	Units	Parameters
Rated voltage	KA	40.5
Thunder impulse withstand voltage( peak value)	KA	185
1 min industrial frequency withstand voltage	KA	95
Rated frequency	Hz	50
Rated current	A	1250,1600,2000
Rated short-citcuit break current	KA	25	31.5
Rated short-circuit withstand current	KA	25	31.5
Rated peak value withstand current	KA	63	80
Rated short-circuit duration time	s	4
Rated short circuit breaking time	ms	90
Rated short circuit closing current	KA	63,80
Rated operating order		0-0.3s-CO-180s-CO
time of closing brake	ms	50~85
time of breaking brake	ms	40~85
Rated short-circuit current break and close times	Times	20
Mechanical life-span	times	10000
Rated dropout current of condenser bank	A	630
Rated power of energy-storage electric machine	W	275
Rated volt of energy-storage motor	V	AC/DC220,110
Storage time	S	<15
Closing and opening solenoid rated voltage	V	AC/220,110
Over current tripping device rated current	A	5
Auxiliary switch rated voltage current	A	10

OVERALL DIMENSION

Wenzhou Shouke Electric Co., Ltd.: Contact nameElva Dong
Chat Now; Phone0086-0577-13676571588; AddressCheao Industrial Zone,North Baixiang Town, Wenzhou, Zhejiang

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