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1250-31.5 High Voltage Vacuum Circuit Breaker VS1 With Drawable Type DC110V

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1250-31.5 High Voltage Vacuum Circuit Breaker VS1 With Drawable Type DC110V

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Brand Name :	Metalwork
Model Number :	VS1-24KV
Certification :	CE, ISO, CCC
Price :	Negotiable
Payment Terms :	L/C, T/T
Supply Ability :	100 sets per month
Delivery Time :	20 days

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1250-31.5 High Voltage Vacuum Circuit Breaker VS1 With Drawable Type DC110V

VS1-24 Series Indoor and Outdoor High-voltage Vacuum Circuit Breaker

VS1-24 series Indoor and Outdoor High Voltage Vacuum Circuit Breaker is three-phase AC 50Hz, Rated voltage of 2KV device. For industrial and mining enterprises, power plants and substations as electrical equipment control and protection purposes, and for frequent operation of the place.

1. The main circuit loop adopts compound insulation.
2. The vacuum arc-chute is produced by top-grade manufacturers and we also can install the foreign vacuum arc-chute according to the user’s requirements.
3. Rated current: 630A~3150A. Rated short circuit drop-out current: 20K~31.5KA.
4. Mechanical endurance: 20,000 times.
5. It has passed the electric capacity switching test and there’s no reignition.
6. It can be used in the plateau region of 12KV voltage and 4,500 meters altitude.

Technical Parameters:

Items	Unit	Date
Rated voltage	KV	24
Rated impulse withstand voltage		125
Rated short-time power frequency withstand voltage (1min)		65
Rated frequency	Hz	50
Rated short-circuit breaking current	KA	20	25	31.5
Rated current	A	630 1250	630 1250	1250 1600 2000 2500 3150
Rated short-time withstand current	KA	20	25	31.5
Rated peak tolerable current		50	63	80
Rated short-circuit making current (peak value)		50	63	80
Secondary circuit power frequency withstand voltage (1min)	V	2000
Rated operation sequence		Open－0.3S－Close Open 180S－Close Open
Rated duration of short circuit current	S	4
Rated single/back-to-back capacitance bank breaking current Set breaking current	A	400/400
Opening time (rated voltage)	ms	20～50
Closing time (rated voltage)	ms	35～70
Mechanical life	times	10000
Rated short-circuit breaking current breaking times	times	20
Allowable wear accumulate thickness of moving and static contacts	mm	3
Rated closing operating voltage	v	AC110/220 DC110/220
Rated opening operating voltage	v	AC110/220 DC110/220
Rated voltage of energy storage motor	v	AC110/220 DC110/220
Rated power of energy storage motor	w	70
Energy storage time	s	≤15S
Contact opening distance	mm	14±1
Contact stroke	mm	3.5±1
Contact bounce time	ms	≤2
Three - phase opening and closing heterogeneity	ms	≤2
Average opening speed (front 8mm)	m/s	1.4±0.2
Average closing speed	m/s	0.7±0.2
Opening contact rebound amplitude	ms	≤2
Main circuit resistance	Ω	≤80(630A) ≤60(1250A) ≤40(1600～2000A) ≤25(above 2500A)

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