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10kv 24kv 33kv Vcb/Vacuum Circuit Breaker Vd4/210mm Vcb 10kv/Draw-out Type/Modular

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Wenzhou Mingzhe Electric Co., Ltd.

Audited Supplier 5 years

Profile Certified by SGS/BV

Zhejiang, China
Dayday (Ms.)
General Manager

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Model NO.:

VCB-24KV/630A-25ka

Breaking Capacity:

High Voltage Circuit Breakers

Operation:

Manual Electric

Speed:

High-Speed Circuit Breaker

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

Mechanical Life:

10000 Times

Rated Voltage:

12kv 24kv 35kv

Rated Current:

630A 1250A

Types:

Draw-out Fixed

Functions:

Overvoltage,Overload,Overtemperature

Trademark:

MINGZHE

Transport Package:

Pallet Wooden

Specification:

600x900x2000

Origin:

China

HS Code:

8535299000

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.

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	mm	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