Zn63 Vs1 Vacuum Circuit Breaker for Medium Voltage Switchgear

Overview

Basic Info.

Model NO.	Zn63 (VS1) -12kv
Arc-extinguishing Medium	Vacuum
Installation	Insert
Structure	Vcb
Poles Number	3
Type	Vacuum Circuit Breaker
Function	Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection), Handcart/Fixed
Certification	ISO9001-2000, CCC, GB
Rated Short Circuit Duration	4s
Mechanical Life (M2)	10,000~20,000times
Contact Stroke	3~4mm
Rated Short-Time Withstand Current	20,25,31.5,40,50ka
Rated Short-Circuit Breaking Current	20,25,31.5,40,50ka
Transport Package	Plywood Case
Specification	0.5m3
Trademark	VACEM
Origin	Wenzhou, China
HS Code	85352100

Packaging & Delivery

Package Size 90.00cm * 60.00cm * 72.00cm Package Gross Weight 120.000kg Lead Time 3 days (1 - 1 pcs)
7 days (2 - 10 pcs)
30 days (11 - 100 pcs)
To be negotiated ( > 100 pcs)

Product Description

General description

Introducing the Zn63 Vs1 Vacuum Circuit Breaker for Medium Voltage Switchgear - the ultimate solution for your industrial and mining enterprises, power plants, and substations! With its cutting-edge technology and superior performance, this indoor vacuum circuit breaker is designed to provide you with the control and protection you need to keep your operations running smoothly.
Featuring a tri-phase AC 50Hz and a rated voltage of 12kV, the ZN63(VS1)1-12 is the perfect choice for those who demand the best. Whether you're looking for an indoor vacuum circuit breaker or an HV vacuum circuit breaker, this product has got you covered.
With its sleek and modern design, the Zn63 Vs1 Vacuum Circuit Breaker for Medium Voltage Switchgear is sure to impress. Its compact size and easy-to-use interface make it the perfect choice for those who want the best of both worlds - power and convenience.
So why wait? If you're looking for a vacuum circuit breaker that can handle all your needs, look no further than the Zn63 Vs1 Vacuum Circuit Breaker for Medium Voltage Switchgear. With its superior performance and cutting-edge technology, this product is sure to exceed your expectations and provide you with the control and protection you need to keep your operations running smoothly. Order yours today and experience the difference for yourself!

Main technical parameter

Item			Unit	Date
Rated voltage			kV	12
Rated frequency			Hz	50
Rated insulation level	1min power frequency withstand voltage	pole to earth	kV	42
		phase	kV	48
	lightning impulse withstand voltage	pole to earth	kV	75
		phase	kV	85
Power frequency withstand voltage of secondary circuit			V	2000
Rated current(1)			A	630	630	630	2000	1250	2500	1600	3150
				1250	1250	1250	2500	1600	3150	2000	4000
						1600	3150	2000	4000	2500	5000
Rated short-circuit breaking current			kA	20	25	31.5		40		50
Rated short-time withstand current			kA	20	25	31.5		40		50
Rated short circuit duration			s	4
Rated peak withstand current			kA	50	63	80		100		125
Rated short-circuit making current			kA	50	63	80		100		125
Rated short-circuit current breaking time (class E2)			times	30
Rated single/back to back capacitor bank breaking current			A	630/400				800/400
Clearance between open contacts			mm	11±1
Contact stroke			mm	3~4
Allowable wear thickness of contact			mm	3
Average opening speed			m/s	0.9~1.4
Average closing speed			m/s	0.5~1.0
Contact closing bounce time			ms	≤2
Different phase of contact closing and opening			ms	≤2
Rebound amplitude of opening contact			mm	≤2
Opening time (rated voltage)			ms	20~50
Closing time (rated voltage)			ms	30~70
Mechanical life (M2)			times	10,000(20,000)
Rated operating voltage			V	AC110/220 DC110/220
Rated operation sequence				0-0.3s-CO-180s-CO

(1)It is forced cold air when rated current is 4000A
For more switchgear parts, pls refer to insulation parts: https://china-vacem.en.made-in-china.com/product-group/BbRAnYUjsLrW/Insulation-Accessories-catalog-1.html, or copper tulip contact: https://china-vacem.en.made-in-china.com/product-group/nbUGDIpPuLYM/Tulip-contact-series-1.html
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