Zw32 Outdoor High Voltage Vacuum Circuit Breaker Vcb 1250A

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PRODUCTS DETAILS

Basic Info.

Model NO.
ZW32-12/630A
Type
Circuit Breaker
Function
Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection
Certification
ISO9001-2000
Transport Package
Wooden Box
Trademark
zhuowoma
Origin
China
HS Code
8535210000
Production Capacity
10000 Pieces / Year

Product Description


Overview
        ZW32-12 series owtdoor high-volage vacuum circuit breakers (hereinafitr referred to as " circuit breakers " are outdoor distribution swithgear with ratedvoltage of 12k V and three-phase AC of 50Hz.Cireuit breaker is mainmly used for opening and closing Load current, overload curent and short-eircuit currentin power lines have overload and short-circuit protection functions, meet the requirements of control and measurement. and can alsorealize remote controland monitoring functions, which are widely used in l is used for control and operation in distributio systems of substations and industrial and miningenterprises.and is especially suitable for places requiring frequcnt opcration.
Cireuit breakers meet technical standards such asGB1984-2003,DL/T402-2007 and IEC60056. Zw32 Outdoor High Voltage Vacuum Circuit Breaker Vcb 1250A Dimensions and mounting dimensions
Zw32 Outdoor High Voltage Vacuum Circuit Breaker Vcb 1250A Zw32 Outdoor High Voltage Vacuum Circuit Breaker Vcb 1250A Zw32 Outdoor High Voltage Vacuum Circuit Breaker Vcb 1250A
Technical parameter
Numbcr Projects
Unit
Numerical
 
1 Rated voltagc   12
2 Rated current1   630 1250
3 Rated frequency   50
4 Rated
levelinsulationl
 		 lmin power frequencywithstanvd voltage Dry type   42/48(Fracture )
wer-type   34
Secondary circuit to grounci   2
    75/85(Fracture )
    20 25
5 Rated short circuit breaking current KA 50 63
6 Rated short-circuit closing current (peak value) KA 20 25
7 Rated short-term withstand current KA 50 63
8 Rated peak withstand current KA 50
9 Rated short-circuit breaking current breaking times
times
30
10 Rated short circuit duration S 4
11 Rated operating voltage and rated voltage of auxiliary circuit V DC/AC110,DC/AC220
12 Rated operating sequence   points-0.3s-Combined points-180s-Combined points
13 Over-current trip rated current A 5
14 Mechanical life times 10000
15 Cumulative thickness of allowable wear of dynamic and static contacts mm 3
16 Rated current of overcurrent release A 5
17 Current ratio of current transformer   200/5  400/5  600/5
18 Contact spacing mm 9±1
19 Contact overtravel mm 2.5±0.5
20 Average opening speed m/s 1.0±0.2
21 Average closing speed m/s 0.6±0.2
22 Opening time ms ≤50
23 Closing time ms ≤100
24 Closing bounce time ms ≤2
25 Different periods of three-pole closing and opening ms ≤2
26 DC resistance of each phase loop   ≤80(Band isolation is≤150)
Zw32 Outdoor High Voltage Vacuum Circuit Breaker Vcb 1250AZw32 Outdoor High Voltage Vacuum Circuit Breaker Vcb 1250AZw32 Outdoor High Voltage Vacuum Circuit Breaker Vcb 1250AZw32 Outdoor High Voltage Vacuum Circuit Breaker Vcb 1250AZw32 Outdoor High Voltage Vacuum Circuit Breaker Vcb 1250A

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