English 
3Ø-Voltage Protection Relay, Self Powered
Product Code: 900VPR-2-280/520V-CU-ROHS
- 3 phase RMS voltage protection relay
- Monitors: Over / Under Voltage, Over / Under Frequency, Phase (Asymmetry , Failure , Sequence)
- Accuracy ± 1% of Voltage, ± 0.3Hz
- Measuring range : 160 to 520V depending on Network selection
- Supply range: 280 to 520V AC
Brief Specifications
,
| Measuring Parameter | Under Voltage, Over Voltage, Under Frequency, Over Frequency, Phase Asymmetry, Phase Failure, Phase Sequence |
| Electrical Connection | 3Ø-3W, 3Ø-4W |
| Display | 3 digits Liquid Crystal Display without backlight |
Time Ranges | Trip Time Delay : 0-99.9 sec, Power ON Delay : 2-99.9 sec, Delay ON Release : 0-99.9sec, Response Time : < 200ms |
| Accuracy | Trip Voltage: ±1% of Set Value |
| Output Contact | 2 x 1C/O (SPDT) |
| Output Rating | NC: 3A@250V AC, NO: 5A@250V AC (Res) |
| Operating Voltage | 280 to 520V AC (L-L), 160 to 300V AC (L-N) |
| Size | 35mm |
| Mounting Type | DIN Rail Mount |
| Certification | CE & UL |