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 Brief 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