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ZW20-12KV 11KV 6.6KV Vacuum Circuit Breaker/ Circuit recloser 50hz 60hz price

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Origin

China Mainland
Minimum Order

1
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Pieces
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Description

Product Detail

1. ZW20 Vacuum Circuit Breaker/ Circuit recloser

ZW20-12 outdoor high voltage vacuum circuit breaker for a period of 12KV, rated voltage of the three-phase ac 50HZ outdoor distribution equipment. It adopts vacuum arcing and SF6 gas as insulating medium is W20-12 column type vacuum circuit breaker on the modified products.
ZW20 vacuum circuit breaker Mainly used for breaking, closing load current power system, overload current and short circuit current.

2.Working application

Altitude: =2000m

Ambient Temperature: -40ºC ~ +40ºC
Relative humidity: daily=95%, month=90%

Earthquake intensity: =8

Wind speed: =34m/s

Installation site: Not including inflammable, explosive, chemical corrosion

3.Product structure

(1). The current transformer protection level 2

(2). The spring mechanism 220V

(3). To avoid the surge means

4.Optional equipments

(1). The current transformer metering Level 3, 200/5 and above

(2). External voltage transformer 2 (control power and metering)

(3). coincide with the controller and a variety of FTU, RTU configuration uses

5.Parameters of vacuum circuit breaker

No.	Content	Unit	Data
1	Rated voltage	kV	12
2	Rated frequency	Hz	50
3	Rated current	A	630,1000
4	Rated short circuit breaking current	kA	12.5, 16, 20, 25
5	Rated peak withstand current (peak)	kA	31.5, 40, 50, 63
6	Rated short time withstand current (4s)	kA	12.5, 16, 20, 25
7	Rated short-circuit current (peak)	kA	31.5, 40, 50, 63
8	Mechanical life times	time	10000
9	Rated short-circuit breaking current breaking times	time	30
10	1 min power frequency withstand voltage (phase to earth)	kV	42/48
11	Peak lightning impulse withstand voltage (phase to earth)	kV	75/85
12	Secondary circuit power frequency withstand voltage 1 min	kV	2
13	Net weight	kg	140
14	Rated SF6 gas pressure (gauge pressure)	Mpa	"0"