Over-voltage protection relay 900VPR-BL-U-CE

under-voltagephase sequencephase loss

3 phase RMS voltage protection relay Monitors: Over / Under Voltage, Over / Under Frequency, Phase asymmetry, Phase failure, Phase sequence & Neutral loss Accuracy: ± 1% of Voltage, ± 0.3Hz Measuring range : 160 to 520V depending on Network selection Supply Voltage : 85 to 270V AC/DC CE and RoHS Certified Specifications Measuring Parameter - Under Voltage, Over Voltage, Under Frequency, Over Frequency, Phase Asymmetry, Phase Failure, Neutral Loss, Phase Sequence Electrical Connection - 3Ø-3W, 3Ø-4W Display - 3 Digits Liquid Crystal Display With Backlight Trip Setting - Under / Over Voltage: 85 to 500V AC L-L (for 3Ø-3W), 50 to 288V AC L-N (for 3Ø-4W), Under/Over Frequency: 45-65 Hz, Voltage Asymmetry: 5.0-30.0% Time Ranges - Trip Time Delay: 0-300sec, Power ON Delay: 0.5-300sec, Recovery Time Delay: 0-300sec (In Auto Reset mode), Response Time: <120ms Accuracy - Trip Voltage: ±1% ±2 digits, Frequency: ±0.5% ±1 digit, Time Setting Accuracy: ±5% of setting ±120ms Output Contact - 2 x 1 C/O (SPDT) Output Rating - NC: 3A@250V AC, NO: 5A@250V AC (Res) Operating Voltage - 50 to 288V AC (L-N), 85 to 500V AC (L-L) Size - 35mm Mounting Type - DIN Rail Mount Certification - CE