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Phase Protection Relay
Code : ke-FKR4(D)
In three phase systems, it measures RMS values of AC voltages and system frequency sensitively. Using up direction button (Select) phase-neutral voltages and phase-phase voltages monitor sequentially ke-FKR4(D) has many features.
Technical Specifications
| . | Phase failure Ok Voltage Unbalance %5 / %20 Phase Sequnce Control Ok Over Voltage Protection 390V / 460V Under Voltage Protection 300V / 370V ON delay(Ts) 0,1sec / 99,9sec OFF delay (Ts) No Neutral failure detection Ok System Voltage 380V AC3~(50/60Hz) Umax=(1,30)xUn Umin=(0,70)xUn Contact Ambient Temperature -5C -+ 50C Dimensions Connection PTC protection No Quantity in 1 box 26 |
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