China Wholesale Vacuum Circuit Breaker 20 Kv Factory – ZN63(VS1)-24 Indoor High Voltage Handcart Vacum Circuit Breaker – Timetric

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China Wholesale Vacuum Circuit Breaker 20 Kv Factory – ZN63(VS1)-24 Indoor High Voltage Handcart Vacum Circuit Breaker – Timetric Detail:

General

VS1-24 indoor high voltage handcart vacuum circuit breaker is suitable for three-phase, AC50Hz with 24KV rated voltage.It can provide control and protection for industrial and mining enterprises, power plants and substations and is especially suitable for high-altitude areas where important loads are interrupted and a place needs frequent operations.

lt complies with GB1984-2003 “AC high voltage circuit breaker”, DL/T403-2000 “3.6-40.5KV indoor vacuum circuit breaker ordering technic conditions” and related IEC standards, and has reliable interlocking function.

The operating mechanism of the circuit breaker is spring energy storage type, which can be operaled by AC or DC energy storage, or can b manually operated.

The circuit breaker can also be equipped with a long-life permanent magnet operating mechanism, which can have a mechanical life of 60,000 times and can be used in the occasion with frequent operation.

The circuit breaker is designed in the form of front and rear sub-mounting structure, which can be used either as fixed mounting unit or as intermediate unit with chassis.

Technical specification

No.	Ltem	Unit	Data
1	Rated vollage	KV	630 20 50	24	1600 31.5 80
2	Rated frequency	Hz		50
3	Rated current	A		1250
4	Rated short circuit breaking current	KA		25
5	Rated short circuit closing current (peak)	KA		63
6	Rated short circuit duration	s		4
7	Rated short circuit breaking current breaking time	Times		20
8	Rated operating sequence			0-0.3s-CO-180s-CO
9	Rated lightning impulse withstand voHoge (Between open contacts)	KV		125
10	Rated 1 min power frequency withstand voltage (Between open contacts!	KV		65
11	Closing time	ms		≤100
12	Opening time	ms		≤50
13	Mechanical life	Times		20000
14	Rated energy storage and operating voltage	V		~220/110
15	Break time	ms		≤65
16	Energy storage time	s		≤10

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