84873029, 3 Phase Voltage Monitoring Relay With 17.5mm SPDT Contacts, 3 x 208 - 480 V AC MWA, Phase Sequence, Total Failure, Can Replace 84892290, 84873034
Crouzet 84873029, 3 Phase Voltage Monitoring Relay With 17.5mm SPDT Contacts, 3 x 208 - 480 V AC MWA, Phase Sequence, Total Failure, Can Replace 84892290, 84873034 RMC2 MWS relays control, on 3-phase networks : Sequence Detection Total Phase Failure Controls its own supply voltage True RMS measurement LED status indication 3-phase voltage controllers which monitor : Non Adjustable Specification Crouzet Part Number 84873029 (3 Phase Voltage Monitoring Relay With SPDT Contacts) Function Total Phase Failure, Phase Sequence Nominal Voltage 3 x 208 → 3 x 480 V ∿ Digital Outputs 1 x C/O Relays, 250VAC/DC @ 5 Amp Min Breaking Current 10mA/5VDC Timing Range 0.3 → 30s (0, +10%) Delay on Pickup 500ms Alarm Delay on Time (max) 200ms Reset Time 1500ms Fixed Hysteresis 2% of Un Maximum Measurement Cycle Time 150ms/True RMS Measurement Measurement Accuracy 1% Supply Voltage Range Same as Measurement 3 x 208 → 3 x 480 V ∿ Termination Style Screw Weight 170g Certification CE, UL, CSA, GL, ROHS Factory Pack Qty 1 Over Voltage Category 3 in accordance with IEC/EN 60664-1 Pollution Degree 2 in accordance with IEC/EN 61131-2 Protection rating IP40 (Front), IP20 (Rear) Mechanical Resistance Immunity to vibrations IEC/EN 60068-2-6, test Fc Immunity to shock IEC/EN 60068-2-27, test Ea Resistance to HF Interference Immunity to radiated electrostatic fields IEC/EN 61000-4-3 Immunity to fast transients (burst immunity) IEC/EN 61000-4-4, level 3 Immunity to shock waves IEC/EN 61000-4-5 Radio frequency in common mode IEC/EN 61000-4-6, level 3 Voltage dips and breaks (AC) IEC/EN 61000-4-11 Immunity to damped oscillatory waves IEC/EN 61000-4-12 Conducted and radiated emissions Class B (*) in accordance with EN 55022, EN 55011 (CISPR22, CISPR11) group 1 (*) Except configuration (88 970 1.1 or 88 970 1.2) + (88 970 250 or 88 970 270) + 88 970 241 class A (class B in a metal enclosure) Operating Temperature -20 →+70 °C except CB and XB versions in VDC : -30 →+70 °C (+40 °C in a non-ventilated enclosure) in accordance with IEC/EN 60068-2-1 and IEC/EN 60068-22 Datasheet Product Datasheet