Three Phase Voltage Control Relay - 208-480V AC, Self-Powered, Phase Sequence & Failure Protection (17.5mm EMWS) - Ideal for Industrial Machinery, HVAC Systems & Power Distribution Panels
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DESCRIPTION
Crouzet Automation 84903020, Three Phase Voltage Control Relay, Phase Sequence or Phase Failure - 17.5 mm EMWS, 208-480 VAC, Self Powered
For Phase Sequence of Phase Failure Monitoring of AC Voltages up to 480VAC
Features:
Control Monitoring of AC voltages
Automatic recognition of AC
Measurement ranges from 288 V to 480 VAC
Choice between under and overvoltage
True RMS measurement
Selectable latching (memory) function
Specification
Crouzet Part Number
84903020 (Three Phase C-Lynx Voltage Monitoring Relay With SPDT Contacts)
Function
Phase Sequence/Phase Failure
Nominal Voltage
1 x 208 - 480 VAC/DC
Digital Outputs
1 x C/O Relays, 250VAC/DC @ 5 Amp
Min Breaking Current
10mA/5VDC
Delay on Threshhold Crossing
0.1 → 3s (0, +10%)
Delay on Pickup
600ms
Alarm Delay on Time (max)
200ms
Reset Time
1500ms
Adjustable Hysteresis
5 - 50% of Threshhold
Maximum Measurement Cycle Time
30ms/True RMS Measurement
Measurement Accuracy
1%
Supply Voltage Range
Same as Measurement 3 x 220 → 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