24kV Indoor High Voltage Side Mounted Vacuum Circuit Breaker with VSG Spring-operated Mechanism

Indoor switchgear type VSG vacuum circuit breaker is applicable to 24kv power system, as a protection and control unit of power equipment, industrial and mining enterprises, it can be used for switching loads of various kinds and frequent operation, repeatedly breaking short-circuit current situation.

The product adopts new type of circuit breaker, a VSG part can adopt the international brand of embedded pole, the vacuum interrupter and the main circuit part is fixedly sealed into a whole, protect the interrupter from collision, dust and gel image, strong ability to adapt to the environment, greatly reduces the cost of operation and maintenance.

The real implementation of the product part of a maintenance free, low maintenance operation mechanism; operating mechanism and circuit breaker body design, after type test, E2 level, M2 level of mechanical electrical life.

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24kV Indoor High Voltage Side Mounted Vacuum Circuit Breaker with VSG Spring-operated Mechanism

Electrical Products

Features
Technical Parameters
Dimensions

Features of VSG Side Mounted Vacuum Circuit Breaker

High Reliability: Utilizes vacuum interruption technology for minimal switching losses.
Fast Operation: The VGS spring mechanism ensures stable and quick operational response.
Durability: High-quality materials guarantee long-term stable operation with low maintenance costs.
Compact Design: Space-saving design suitable for various installation environments.

Environmental conditions
1. Ambient temperature: upper limit +40°C, and the average value measured within 24H does not exceed 35°C; lower limit -15°C.
2. Altitude: no more than 1000m.
3. Relative humidity: the daily average value does not exceed 95%; the monthly average value does not exceed 90%;
4. Water vapor pressure: the daily average value does not exceed 2.2kPa, and the monthly average value does not exceed 1.8kPa;
5. The surrounding air is not obviously polluted by dust, smoke, corrosive or flammable gas, steam and salt spray;

Technical Parameters of VSG Side-mounted Circuit Breaker

S/N	Item	Unit	Data
*	Type	/	口Insulating cylinder 口Epoxy resin embedded poles 口Nylon embedded poles				口Upper outlet 口Side outlet
1	Rated voltage	KV	24
2	Rated short time power frequency withstand voltage(a min)		65
3	Rated lightning impulse withstand voltage(peak)		125
4	Rated frequency	Hz	50
5	Rated current	A	630 1250	630 1250
6	Rated short-circuit breaking circuit	kA	25	31.5
7	Rated short time withstand current		25	31.5
8	Rated short-circuit duration	s	4
9	Rated peak withstand voltage	kA	63	80
10	Rated short-circuit closing current		63	80
11	Power frequency withstand voltage of secondary circuit(1 min)	V	2000
12	Rated single / back-to-back capacitor bank breaking current	A	630/400
13	Switching time	ms	20-50
14	Closing time		35-70
15	Mechanical life	time	M2 level 10000(630-125-/25-31.5)
16	Electrical life		E2 level
17	Moving and fixed contacts allow wear accumulation thickness	mm	3
18	Rated closing operating voltage	V	AC110、AC220 DC110、DC220
19	Rated breaking operating voltage
20	Rated voltage of energy storage motor
21	Rated power of energy storage motor	w	90
22	Storage time	s	≤15
23	Contact distance	mm	13±1
24	Over stroke		3±1
25	Contact closing bounce time	ms	≤2
26	Different phases of three-phase switching		≤2
27	Average breaking speed	M/s	Contact opening 6mm		0.9~1.7	0.9~1.7
28	Average closing speed		Contact closing 6 mm		0.6~1.0	0.6~1.0
29	Switching rebound amplitude	mm	≤3
30	Dominant loop resistance	μΩ	≤45(630) ≤35(1250A)
31	Contact closing pressure	N	3100~3700
32	Rated order of operation		O-0.3s-CO-180s-CO