ZN63(VS1)-24 series vacuum switch vacuum circuit breaker circuit breaker vacuum

1. High precision mechanical structure 2. High conductivity copper

Description

ZN63(VS1)-24 series handcart type indoor vacuum circuit breaker is rated voltage 24kV, three-phase AC50Hz Indoor high-voltage switchgear, apply for power stations, substations, and industrial and mining enterprises to control or protection transmission and distribution systems, specially for the important high altitude breaking load and frequent operation place.

Circuit breaker manufacturing accordance with our national standard GB1984-2003<AC high voltage circuit breakers>,DL / T403-2000<3.6~40.5kV Indoor Vacuum Circuit Breaker ordering technology>; and the related IEC standards And reliable interlock function.

Technical data

NO	Item	Units	Parameters
1	Contact distance	mm	14±1
2	Contact Over travel	mm	3.5±1
3	Closing speed	m/s	1.0±0.2
4	Opening speed	m/s	1.3±0.2
5	Contact closing spring time	ms	≤2
6	Rated contact pressure	N	20kA(2400 ± 200)25kA(2400 ± 200)31.5kA(3100 ± 200)
7	Three phase closing opening asynchrony	ms	≤2

NO	Item	Units	Parameters
1	Rated voltage	kV	24
2	Rated frequency	Hz	50
3	Rated current	A	42
4	Rated short-circuit breaking current	kA	630, 1250, 1600, 2000, 3150
5	Rated short- circuit closing current(peak)	kA	20,25,31.5
6	Rated short -circuit duration time	s	50, 63, 80
7	Rated short -circuit breaking current breaking number	Times	4
8	Rated operating sequence		30
9	1 min Power frequency withstand voltage	kV	O-0.3s-CO-180s-CO
10	Rated Lightning impulse withstand voltage	kV	125
11	Closing time	ms	65
12	Opening time	ms	≤70
13	Mechanical life	Times	≤50
14	Rated storage and operation voltage	V	220/110
15	Breaking life	ms	≤80
16	Storage life	s	≤10

ZN63(VS1)-24 series vacuum switch vacuum circuit breaker circuit breaker vacuum

ZN63(VS1)-24 series vacuum switch vacuum circuit breaker circuit breaker vacuum