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VS1-12/24 Vacuum circuit breaker---AEPE
| VS1-12/24 Vacuum circuit breaker |
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VS1-12/24 Vacuum Circuit Breaker
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No. |
Item |
Unit |
Technical Parameters |
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1 |
Rated voltage |
kV |
12 |
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2 |
Rated frequency |
Hz |
50/60 |
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3 |
Lightning impulse withstand voltage (peak Value) |
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common value |
kV |
85 |
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across the isolating distance |
kV |
75 |
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4 |
1 min power frequency withstand voltage |
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common value |
kV |
42 |
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across the isolating distance |
kV |
48 |
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5 |
Rated current |
A |
630 1250 |
630 1250 |
630 1250 1600 2000 2500 3150 |
1250 1600 2000 2500 3150 4000* |
1600 2000 2500 3150 4000* |
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6 |
Rated short-circuit breaking current |
kA |
20 |
25 |
31.5 |
40 |
50 |
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7 |
Rated short-time withstand current |
kA |
20 |
25 |
31.5 |
40 |
50 |
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8 |
Rated peak value withstand current |
kA |
50 |
63 |
80 |
100 |
125 |
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9 |
Rated short circuit making current |
kA |
50 |
63 |
80 |
100 |
125 |
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10 |
Rated short circuit standing time |
S |
4 |
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11 |
Mechanical life |
times |
20000 ( 10000 for 50kA) |
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12 |
Electrical life |
Rated current breaking |
times |
20000 ( 10000 for 50kA) |
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Rated short-circuit current breaking |
times |
50 (30 for 40kA; 20 for 50kA) |
4000A is forcedly air-cooled
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VS1 type indoor high voltage vacuum circuit breaker with the rated voltage of 12kV-24KV and the three-phase alternating current 50Hz, is used to switch on/ off all kinds of electrical load with different nature and suitable for the electrical network construction and reform projects for city network, country network, mining area and railway etc. especially for the fields that takes the frequent operation within the range of working current and have the strict demand on short-circuit drop-out operating times. This product adopts the mechanism and circuit breaker one body design, can be used as a fix installing unit and drawable cart unit.
This product is in comformity with the standards of IEC 56, B/T3309, GB7675, GB/T11022, JB3855, DL402 | |
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