This type of security device can protect 2 ~ 4 special signal light emitting device controllers of railway equipment from abnormal voltage shocks such as lightning surges.
Item | Performance | ||
The maximum line voltage is B24 terminal to C24 terminal | DC31V | ||
Protection level | Varistor C24 terminals- B24, 01,02,03,04 terminals | Varistor voltage Current value 1mA | 39(35~43)V |
Limit voltage Current value 20A | Below 80V | ||
Maximum impulse current tolerance | 8/20μs2kA 1times (10/200μs 450A 1times) | ||
The change rate of the voltage after the test | ±10% | ||
C24 terminal to E terminal of arrester | Dc discharge starting voltage | 1.1kV±220V | |
The initial impulse discharge voltage is 10/200μs and 3kV is applied | Below 2kV | ||
Impulse cycle current tolerance | 10/200μs 500A 200 times (1 minute intervals) | ||
Dc discharge starting voltage after test | 1.1kV±300V | ||
Impulse current tolerance | 10/200μs10kA 1 times | ||
Withstand voltage | Between each terminal and the guard mounting plate | AC3kV 1 min |
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