■ 제품필수정보
제조사 |
Dold |
제조사품명 |
RK9871.71 3/N AC400/230V 50/6 |
간략설명 |
Dold DIN Rail Voltage Monitoring Relay, 45 ??65Hz, 3 Phase, SPDT |
■ 제품사양
Monitoring Application = Voltage Contact Configuration = SPDT Voltage Sensitivity = Undervoltage Electrical Phase = 3
시리즈 = RK9871
최소 작동 온도 = -25°C Detection of undervoltage in 3-phase systems Without separately auxiliary voltage (internal supply from all 3 phases) LED indication for operation voltage and contact position De-energised on trip RK 9871.71: 1 changeover contact RK 9871.72: 2 changeover contacts With fixed time delay of 0.5s for fault indication With fixed time delay of 1min for reset With fixed response value at AC 195.5V As option with test-button for function control Width 17,5 mm Advantages / Customer benefit Higher safety in buildings Application Monitoring of undervoltage in 3 phase voltage systems and switch over to emergency supply