RCD electric leakage trial jump device
The utility model discloses a RCD electric leakage trial jump device, including main circuit, residual current circuit breaker RCD, air switch QF, contactor KM, ampere meter A, resistance R1, R2 and grounding body, contactor KM includes contactor KM1, contactor KM2, contactor KM3, characterized by:...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | The utility model discloses a RCD electric leakage trial jump device, including main circuit, residual current circuit breaker RCD, air switch QF, contactor KM, ampere meter A, resistance R1, R2 and grounding body, contactor KM includes contactor KM1, contactor KM2, contactor KM3, characterized by: main circuit, residual current circuit breaker RCD, air switch QF, contactor KM, ampere meter A, resistance R1, R2 and grounding body are established ties, contactor KM1, contactor KM2, contactor KM3 connect in parallel, air switch QF output A looks, B mutually or C be connected with control circuit on mutually. |
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