Indoor Vcb Vacuum Circuit Breaker/Lbs Breaker/Load Break Switch/Vcb Vd4

Overview

Basic Info.

Model NO.	VS1-12/3150A-31.5KA
Arc-extinguishing Medium	Vacuum
Installation	Fixed
Structure	Vcb
Poles Number	3
Type	Circuit Breaker
Function	Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection)
Certification	VDE, ISO9001-2000, CE, CB, CCC
Rated Current	630A 1250A
Functions	Overvoltage,Overload,Overtemperature
Types	Draw-out Fixed
Rated Voltage	12kv 24kv 35kv
Mechanical Life	10000 Times
Transport Package	Pallet Wooden
Specification	600x900x2000
Trademark	MINGZHE
Origin	China
HS Code	8535299000
Production Capacity	500PCS/Week

Product Description

Product Description

1 Summarize
VS1 type indoor high voltage vacuum circuit breaker is one kind of three-phase AC 50Hz, rated voltage is 7.2-12 kv, indoor high voltage switch equipment. The circuit breaker meets the national standard of Chinese, GB1984-2003 <ac high-voltage circuit breaker>, JB 3855-1996 <3.6-40.5kv indoor high-voltage vacuum breaker>, DI403-91 < 10-35kv indoor high-voltage vacuum circuit breaker ordering technical conditions >and related IEC60694, IEC6227-100 standard requirements which with reliable interlocking function.
VS1 type indoor high voltage vacuum circuit breaker can be operated frequently, with the ability of multiple breaking and quick reclosing.
The VS1 type indoor high-voltage vacuum circuit breaker is designed with front and rear sub-assembly structure, which can be used for fixed installation cells as well as equipped with a separate hand cart with a chassis.

Detailed Photos
Product Parameters

Rated Voltage			12Kv
Rated Frequency			50Hz
Rated lightning impulse test voltage/fracture			75/85kV(peak)
Rated at 1 min, withstand voltage/fracture			42/48kV(effective values)
Rated operating sequence			O-t-CO-t'-CO
Model	Rated Current(kA)	Rated short circuit breaking current (kA)	Rated short close current KA(Peak)kA	Rated duration time of short-circuit S	Breaking times	Mechanical lifetime
VS1-12	630 1250	20/25	50/63	4	100	10000
	1250 1600 2000 2500	31.5	80	4	50	10000
	1250 1600 2000 2500 3150	40	100	4	30	10000

Note: 20 kA, 25 kA, 31.5 kA, t= 0.3S, t'=180S
40kA t=180S t'=180S
b) Mechanical characteristics of circuit breaker

Model	Items	Unit	Data
1	Contact distance	mm	11±1
2	Overtravel		3.5±0.5
3	The characteric of three phase opening and closing at different period	ms	≤2
4	Closing contact jumping time	Ms	≤2
5	Closing contact contact pressure	N	20kA	25 kA	31.4 kA		40 kA
			2000± 200	2400 ±200	3100± 200	4750± 250
6	Average Closing speed	m/s	0.9-1.2
7	Average Opening speed		05-0.8

c) Opening and Closing action time
Closing time ≤100ms
Opening time ≤50ms
Arcing time ≤15ms
Breaking time ≤65ms
1.2.2 Technical data for trip and interlock electromagnet

Item	Power VA
Opening trip TQ	368	220/110
Closing trip HQ	368
Interlock trip Y1	4.8
Overcurrent trip 7(Y8 Y9)	-	-

1.2.3 Technical data for motor operation mechanism

Rated Voltage V	Power W	Storage time S	Applicable current Level kA
220/110	70	≤10	20 25 31.5
220/110	100	≤10	40

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