MPR-90
- • Monitors Under/Over voltage,Under/Over Current,Under/Over frequency
- • SPP,Short circuit,,Phase Loss/Sequence, Locked rotor,Phase assymetry.
- • 3Ø-3 Wire / 4 Wire Selectable
- • Programmable Tripping Parameter
- • RS-485 Modbus Optional
- • Fail Safe and Non Fail Safe Mode(selectable)
- • 2 Relay Output
- • Power Distribution Networks
- • Residential Electrical Systems
- • Distribution Panels
- • LT / HT Panel
- • Energy Management System
- • DG Set Panels
Technical Specifications
INPUT SPECIFICATION | |
Network Connection | 3Ø-3W ,3Ø-4W |
Operating Voltage AC | 160 to 280V AC L-N( for 3Ø-4W), 280 to 520V AC L-L (for 3Ø-3W) |
Frequency | 45/65Hz |
Accuracy | Class 1.0 (Standard) |
DISPLAY AND KEY | |
Display | 3 Row-4 Digit LED display |
Key | SET UP/ ESC, UP, DOWN, ENTER/ALM RST |
GENERAL SPECIFICATION | |
Dimension(mm) | 96X96mm |
Panel Cutout | 92X92mm |
TRIP SETTINGS | |
Trip Setting | Under Voltage: 280 to 520V AC(L-L) (for 3Ø-3W) ,160 to 280V AC(L-N) (3Ø-4W) |
Over Voltage | 280 to 520V AC(L-L) (for 3Ø-3W) , 160 to 280V AC(L-N) 3Ø-4W) |
Under Current |
|
Over Current | 0.00 to CTR |
Short Circut |
|
Unbalance | 0-100% |
Lock Rotor Point | 0.5 to 9.0 Scale |
Over / Under Frequency | 45.0 to 65.0 Hz |
Phase Loss | yes |
Phase sequence | yes |
Time Parameter | Power ON Delay : 0-999sec Delay/Trip Time Delay : 0-999sec Recovery Time Delay : 0-999sec Response Time : <100ms |
OUTPUT SPECIFICATION | |
Relay | 2 |
Relay Type | 1C/O (SPDT |
Rating | NO5A@250V AC / NC3A@250V AC(res) |
Operating Temp. | 0 to 55°C |
Relative Humidity | up to 95%RH |
