Vacuum switch for high and low voltage permanent magnet series metering box
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Vacuum switch for high and low voltage permanent magnet series metering box
- Product details
-
- Commodity name: Vacuum switch for high and low voltage permanent magnet series metering box
High-voltage permanent magnet series vacuum switch technical parameters
Parameter Name
Unit
250/12
400/12
630/12
Main circuit rated voltage
(KV)
12
12
12
Main circuit rated current
(A)
250
400
630
Mechanical life
(10,000 times)
100
100
100
Main circuit contact power frequency withstand voltage
(KV)
42
42
42
Phase-to-phase; phase-to-ground power frequency withstand voltage
(KV)
Lightning impulse withstand voltage
(KV)
75
75
75
Control circuit withstand voltage
(KV)
2
2
2
Closing time
(MS)
30±5
30±5
30±5
Opening time
(MS)
20±5
20±5
20±5
Closing bounce time
(MS)
<3
<3
<3
Opening bounce time
(MS)
<1
<1
<1
Contact gap
(MM)
7±0.5
7±0.5
7±0.5
Overtravel
(MM)
2±0.5
2±0.5
2±0.5
Low-voltage permanent magnet series vacuum switch technical parameters
Parameter Name
Unit
250/1.4
400/1.4
630/1.4
Main circuit rated voltage
(KV)
1.4
1.4
1.4
Main circuit rated current
(A)
250
400
630
Main circuit making capacity
(A/100 times)
2500
4000
6300
Main circuit breaking capacity
(A/50 times)
2000
3200
5000
Ultimate breaking capacity
(A/3 times)
4500
4500
6300
Electrical life (AC3)
(10,000 times)
60
60
60
Electrical life (AC4)
(10,000 times)
6
6
Rated operating frequency
0.1-0.15
0.1-0.15
0.1-0.15
Mechanical life
(10,000 times)
300
300
300
Rated operating frequency AC3
(times/h)
600
600
600
Rated operating frequency AC4
(times/h)
120
120
120
Contact gap
(MM)
2±0.2
2±0.2
2±0.2
Overtravel
(MM)
1±0.2
1±0.2
1±0.2
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