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Codice Ordinazione/ Order Code: DER4 MU 1281 R 9DER4/0I- 9DER4/0E- 9DER4/0D...
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WIRING CHECK (sezione cavo ≥0,5mm2) con lo schermo connesso a terra in un solo punto. - The wiring between the DER4 and the toroid and its winding are continuously monitored. VERIFICA DELLA CONNESSIONE - È...
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TEST: Press to start DER4 test. If the device is correctly working, the procedure TEST: Premendo il tasto di TEST, il DER4 avvia la procedura standard di TEST che, a will switch the TRIP relay and its LED will be on. Otherwise, the test must be sistema funzionante, si conclude con lo scatto del relè...
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