Zn63 (VS1) -12 Side Mounted Vacuum Circuit Breaker

Product Description

ZN63(VS1)-12 Side-Mounted Circuit Breaker
ZN63(VS1)-12 indoor high voltage vacuum circuit breaker applies to power system of rated voltage 12kv as a protective and control unit for power grid equipment and industrial power equipment It can equip with KYN28(GZS1), XGN, GG-1A and other types of switchgear panels. Related products: isolated handcart, fuse handcart and voltage transformer handcart.
standards
ZN63(VS1) indoor high-voltage alternating-current vacuum circuit breaker is produced in line with the following standards and codes.
IEC 62271-100 High-voltage alternating-current circuit-breakers.
GB/T 11022-2011 Common specifications for high-voltage switchgear and controlgear standards.
GB 1984 High-voltage alternating-current circuit-breakers.
GB 311.1 lnsulation co-ordination for high voltage transmission and distribution equipment.
Applying ambient condition
Ambient temperature:-10ºC-+40ºC
Relative humidity:The average humidity of a day should be no more than 95%. The average humidity of a month should be no more than 90%.
Earthquake intensity: not exceed 8 degrees.
Saturated vapor pressure the average pressure of a day should be no more than 2.2kPa; the average pressure of a month should be no more Than1.8Kpa;
The height above sea level:≤1000 m (Except special requirements)
It should be installed in the places without fire, explosion, serious filth, and chemical erosion and violent vibration.
Product Parameters

Item		Unit	Data
Rated voltage		kV	12
Rated insulation level	1min power frequency voltage	kV	To earth/Phase to Phase 42/48
	Lightning impulse withstand voltage(peak )	kA	To earth/Phase to Phase 75/85
Rated short-circuit breaking current		kA	20	25
Rated current		A	630	630
			1250	1250
Rated frequency		Hz	50
Rated short-circuit withstand current		kA	20
Rated peak withstand current			50
Rated short-circuit closing current(peak)			50
Duration of rated short circuit current		S	4
Mechanical life		times	1000
Frequency tolerance of the secondary circuit voltage(1min)		V	2000
Rated operating squence			O-t-CO-t1-CO

Overall dimension:

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