ZW12 Series 12kv Outdoor High Voltage Vacuum Circuit Breaker

ZW32-12 series outdoor high-voltage vacuum circuit breaker is used in a three-phase A. C. 50Hz, voltage of 10~12kV electric system, suitable for breaking and making load current, overload current and short-circuit current.

Product Details Company Profile

Description

Model NO.: ZW12-12KV
Operation: Manual Type
Arc-extinguishing Medium: Vacuum
Structure: Moulded Case Circuit Breaker
Type: Circuit Breaker
Certification: ISO9001-2000, Cnas,Cnal
Rated Current: 630/400/200
Specification: 12KV
HS Code: 8535210000

Breaking Capacity: Low Voltage Circuit Breakers
Speed: High-Speed Circuit Breaker
Installation: Fixed
Poles Number: 1
Function: Circuit-Breaker Failure Protection
Rated Voltage: 12
Trademark: ZHON
Origin: China

ZW32-12 series outdoor high-voltage vacuum circuit breaker is used in a three-phase A. C. 50Hz, voltage of 10~12kV electric system, suitable for breaking and making load current, overload current and short-circuit current.

Item			Unit		Parameter
Rated Voltage			kV		12
Rated Current			A		630/400/200
Rated Short-circuit Breaking Current			kA		20/16/12.5
Rated Short-circuit Making Current (Peak)			kA		50
Rated Peak Withstand Current			kA		50
Rated Short-time Withstand Current			kA		20
Rated Short-circuit Duration			S		4
Rated Insulation Level	Lightning Impulse Withstand Voltage (Peak)		kV		75
	1min Power Frequency Withstand Voltage	Dry Test	kV		42
		Wet Test	kV		34
Rated Operating Sequence					O-0.3s-C O-180s-CO
Rated Short-circuit Current Breaking Times			times		30
Mechanical Life			times		10000
Opening Time (Shunt Trip)	Highest Operating Voltage			ms		15~50
	Rated Operating Voltage			ms		15~50
	Lowest Operating Voltage			ms		30~60
Closing Time			ms		25~50
Full-break time			ms		≤ 100
Arc Time			ms		≤ 20
Rated Input Power of Energy Storing Motor			W		40
Rated Operating Voltage and Rated Voltage of Auxiliary Circuit			V		DC220, 110, 24
			V		AC220, 110, 24
Energy Storing Time Under Rated Voltage			s		≤ 10
Over-current Release	Rated Current			A		5
	Accuracy of Release Current			%		± 10