VSG-24 Series Indoor High Voltage Vacuum Circuit Breaker

Product Detail

VSG-24 indoor HV vacuum circuit breaker is a 3- phase AC 50Hz 24kV indoor switch equipment

♦ Operating mechanism: spring operating mechanism;

♦ Pole type: assembled pole: embedded pole;

♦ phase-to-phase distance: 275mm;

Environmental Conditions

♦ Ambient temperature:-15°C ~+40°C;

♦ Altitude:

♦ Relative humidity: daily average ;

♦ Earthquake intensity:

♦ Places without fire, explosion hazard, serious filthy, chemical corrosion, as well as intense vibration.

Main Technical Parameters

No	Item	Unit	Value
1	Rated voltage	kV	twenty four
2	1 min power frequency withstand voltage		65
3	Rated lightning impulse withstand voltage		125
4	Rated frequency	Hz	50/60
5	Rated current	/	630, 1250, 1600, 2000, 2500,3150
6	Rated short circuit breaking current	kA	25, 31.5
7	Rated short circuit making current (peak)		63, 80
8	Rated short time withstand current		25, 31.5
9	Rated peak value withstand current		63, 80
10	Rated short circuit duration	S	4
11	Rated operating sequence		O-0.3s-CO-180s-CO
12	Secondary circuit power frequency withstand voltage (1min)	IN	2000
13	Rated single/back-to-back capacitor bank breaking current	kA	630
14	Breaking time	ms	20~50
1;	Opening time	ms	35-70
16	Mechanical life	times	10000
17	Electrical life		E2 class
18	Power of energy storage motor	IN	90
19	Control circuit power supply voltage	IN	AC/DC110/220

General Structure Drawing and Installation Size (unit: mm)

♦Draw out type

jrt

Rated current (A)	630	1250	1600
Rated short circuit breaking current (kA)	25, 31.5	25, 31.5	31.5
Fixed contact size (mm)	035	049	055
Phase-to-phase distance (mm)	275