Outdoor 12kv Pole Vacuum Circuit Breaker Model Zw8-12

Product Name:

Model NO.:

ZW8-12

Certification:

ISO9001-2000, CE, CCC

Function:

Circuit-Breaker Failure Protection, Overcurrent Protection

Type:

Fuse

Poles Number:

Structure:

3 Phase AC 50Hz Outdoor Switch Device

Installation:

Outdoor Pole Mounting

Arc-extinguishing Medium:

Vacuum

Speed:

High-Speed Circuit Breaker

Operation:

Manual Type

Breaking Capacity:

High Voltage Circuit Breakers

Vacuum:

12 Kv Vacuum Circuit Breaker Zw8-12

Trademark:

SASUN

Transport Package:

Wooden Box

Specification:

845 X 560 X 825

Origin:

China

HS Code:

8535900090

Product Description

Item			Unit	Parameter
Rated Voltage			kV	12
Rated Current			A	630
Rated Short-circuit Breaking Current			kA	6.3	12.5	20
Rated Short-circuit Making Current (Peak)			kA	16	31.5		50
Rated Peak Withstand Current			kA	16	31.5		50
Rated Short-time Withstand Current			kA	6.3	12.5		20
Rated Insulation Level	1min Power Frequency Withstand Voltage (Dry Test)		kV	42
	Lightning Impulse Withstand Voltage (Peak)		kV	75
Rated Operating Sequence				O-0.3s-C O-180s-CO
Mechanical Life			times	10000
Rated Short-circuit Current Breaking Times			times	30
Rated Closing Voltage of Operator			V	110, 220
Rated Opening Voltage of Operator			V	110, 220
Clearance Between Open Contacts			mm	11± 1
Over travel of Contacts			mm	3
Three-phase Opening/Closing Synchronization			ms	≤ 2
Closing Bouncing Time			ms	≤ 2
Average Opening Speed			m/s	1.0± 0.2
Average Closing Speed			m/s	0.7± 0.15
Opening Time		Highest Operating Voltage	s	0.015~0.05
		Lowest Operating Voltage	s	0.03~0.06
Closing Time			s	0.025~0.05
Main Loop Resistance of Each Phase			μ Ω	≤ 120
Total Thickness of Permissible Wear of Moving and Static Contacts			mm	3