VSG-24 Series Indoor High Voltage Vacuum Circuit Breaker

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Description

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: <1000m;
♦ Relative humidity: daily average <95%, monthly average <90%；
♦ Earthquake intensity: <8 level;
♦ 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	24
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)	V	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	W	90
19	Control circuit power supply voltage	V	AC/DC110/220

General Structure Drawing and Installation Size (unit: mm)

♦ Draw out type

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