84873034, 3 Phase Voltage Monitoring Relay With 17.5mm DPDT Contacts, 3 x 230 - 460 V AC EWS2, Sequence, Failure, OBSOLETE WITH NO DIRECT REPLACEMENT, SEE 84873029 For Possible Replacement
Crouzet 84873034, 3 Phase Voltage Monitoring Relay With 17.5mm DPDT Contacts, 3 x 230 - 460 V AC EWS2, Sequence, Failure, OBSOLETE WITH NO DIRECT REPLACEMENT, SEE 84873029 For Possible Replacement EWS2 relays control, on 3-phase networks : Phase Failure Sequence Detection Controls its own supply voltage True RMS measurement LED status indication Specification Crouzet Part Number 84873034 (3 Phase Voltage Monitoring Relay With DPDT Contacts) Function Phase Sequence, Phase Failure Nominal Voltage 3 x 230 → 3 x 460 V ∿ Digital Outputs 2 x C/O Relays, 250VAC/DC @ 8 Amp Min Breaking Current 10mA/5VDC Timing Range N/A 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 Alternatives 84873029
