Vd4-12kv/630A-25ka Vacuum Circuit Breaker Handcart Type Vcb Cast Pole Vcb

• Customization: Available
• Breaking Capacity: High Voltage Circuit Breakers
• Operation: Manual Electric
• Model NO.: Vd4-12kv/630A-25ka
• 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
• 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.  
 

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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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