Honle Zw32 Outdoor High Voltage Vacuum Circuit Breaker Vcb 1250A

Product Description

Description:
ZW32-12,24,40.5 outdoor vacuum circuit breaker (hereinafter referred to as circuit breaker) is an outdoor power distribution equipment with rated voltage of 12KV,24KV or 40.5KV and three-phase AC 50Hz. It is mainly used to break and close the load current, overload current and short circuit current in the power system. It is suitable for protection and control in substation and industrial and mining enterprise substation systems, and places where rural power grids operate frequently.The circuit breaker has the characteristics of small size, light weight, anti-condensation and maintenance-free, and can adapt to harsh weather conditions and dirty environments.
Standards compliant:
GB1984 "AC high voltage circuit breaker"
GB11022 "Common technical requirements for high-voltage switchgear and control equipment standards"
GB311.1-6 "Insulation coordination of high voltage power transmission and transformation equipment"
GB763 "Communication of AC high voltage electrical appliances during long-term work"
BG2706 "Test Method for Dynamic and Thermal Stability of AC High Voltage Apparatus"
GB3309 "Mechanical test of high voltage switchgear at room temperature"
DL/T593 "Technical Conditions for Common Ordering of High Voltage Switchgear"

Sr.	Name	Unit	Value
1	Rated voltage	KV	12,24,40.5
2	Rated frequency	Hz	50
3	Rated current	A	630,1250,2000,2500,3150
4	Rated short-circuit breaking current	KA	20
5	Rated peak withstand current (peak)	KA	50
6	Rated short-time withstand current	KA	20
7	Rated short circuit closing current (peak)	KA	50
8	Mechanical life	Time	10000
9	Rated short circuit current breaking times	Time	30
10	Power frequency withstand voltage (1min): (wet) (dry) phase, ground, fracture	KV	42/48
11	Lightning impulse withstand voltage (peak), phase to ground, fracture	KV	75/85
12	Secondary circuit 1min power frequency withstand voltage	KV	2

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