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Ships within 48 hours · Estimated delivery Aug 9 - Aug 14
For Residential and Commercial
400MM Aluminium
Cable Size: 2
Housing: Aluminium + PC
100Ah to 200Ah
SF1 Phase Failure/Sequence Relay Voltage:110V For Residential and CommercialPhase Failure Phase Sequence Monitor The Electro 11 pin plug in range of control and timing devices are to be installed into a standard 11 pin base making installation easy and convenient. The SF1 Monitors negative phase sequence (NPS) voltage to detect phase failure, phase reversal, and phase imbalance. The NPS voltage of the unit is fixed at 7%. When any of these faults occur the unit will de energize. The relay will only re energize if the supply
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