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NAME | UNIT | Number value | |||||
LHVC7 | LHVC12 | LHVC/P Withdrawable | |||||
Rated working voltage (Ue) | kV | 7.2 | 12 | 7.2 | 12 | ||
Rated working current (Ie) | A | 400 | 400 | ≤315 (depending on the fuse) | ≤200 (depending on the fuse) | ||
The main circuit | Rated frequency (fr) | Hz | 50/60 | ||||
Rated closing capacity | kA | 4 | |||||
Rated breaking capacity | kA | 3.2 | |||||
Rated short-time withstand current | kA | 6 | |||||
Rated peak withstand current | kA | 15 | |||||
Rated short-circuit duration | s | 1 | |||||
Rated expected short-circuit breaking current | kA | / | ≤50 (depending on the fuse) | ||||
Rated expected short-circuit making current | kA | 100 | |||||
Handover current | kA | 4 | |||||
Power frequency withstand voltage | Alternately and relative to each other | kV | 32 | 42 | 32 | 42 | |
Vacuum fracture | kV | 32 | 42 | 32 | 42 | ||
Lightning impulse withstand voltage | kV | 60 | 75 | 60 | 75 | ||
Resistance | μΩ | ≤150 | ≤150 | ≤300 (Without fuse) | |||
Control circuit | Rated voltage (Us) | V | AC OR DC.110/220 | AC OR DC.110/220 | AC OR DC.110/220 | ||
rated power | Electric hold | VA | ≤1000/100 (pull-in/hold) | ||||
(Ps) | Mechanical retention | VA | ≤1200/800 (close/open) | ≤1200/350 (close/open) | |||
way to control | E type: electrical retention; M type: mechanical retention | ||||||
Auxiliary circuit | Form | 5a+5b | 6a+6b | ||||
Rated value | AC 220V/5A | ||||||
Control circuit, auxiliary circuit to ground | kV | 2 | |||||
Power frequency withstand voltage | |||||||
Rated operating frequency | Long-term or mechanical retention type | Times/h | 300 | ||||
short term | Times/h | 600 | |||||
Mechanical life | Million times | 100 | 100 | 30 | |||
Electric life | Million times | 10(AC-3) | |||||
Closing time | ms | 45-65 | ≤150 | ||||
Mechanical properties | Inherent opening time | ms | 25-40 (electric hold) | ≤150 (electric hold) | |||
15-30 (mechanical retention) | ≤60 (mechanical retention) | ||||||
Three phases in different periods | ms | ≤3 | |||||
net weight | kg | 26 (electric hold) | 81 (without fuse) | ||||
28 (mechanical retention) |