Voltage Monitoring Relays
Voltage Monitoring & Phase Sequence Relays
Protection Relays
- Micro-controller based design to monitor and protect supply/line voltage from unhealthy limits.
- Models are available to suite single phase, 3 Phase 3 Wire, 3 Phase 4 Wire applications.
Application / protection
- Under Voltage.
- Over Voltage.
- Single Phasing Protection/phase Loss.
- Unbalance Voltage.
- Reverse Phase Sequere.
- Earth Leakage Phase.
- Under/over/single Phase Seqvance Protection.
- Under/over/unbalance Voltage, Single Phase Seqvance Protection.
Features
- True RMS Measurement.
- 3Ph-3W / 3Ph-4W systems.
- Micro-controller based design with SMD technology.
- No Auxiliary required (Self Supply Monitoring).
- Programmable Auto & Manual Reset.
- Progammable Fail Safe & Non Fail Safe Mode.
- Adjustable On time delay & Off time delay.
- LED Indications for all faults.
- DPDT Relay, SPDT Relay (5A Res. Contacts).
- Din Rail Mounting (35mm).
- Termination - Screw type
| Protection | Time Delay | Reset Type | Supply | Contact Type | Model No. | |
| Variable Setting | Fixed Setting | |||||
| - | Single Phase Prevention & Phase Sequence | Trip Time <100ms | Auto Reset | 3P-3W | 1C/O | VMP 36A2-1 |
| 2C/O | VMP 36A2-2 | |||||
| 3P-4W | 1C/O | VMP 46A2-1 | ||||
| 2C/O | VMP 46A2-2 | |||||
| - | Single Phase Prevention , Phase Sequence & Unbalance (10%) | Fix Trip Delay (5s) & Fix Reset Delay (5s) for UB | Auto Reset | 3P-3W | 1C/O | VMP 37A2-1 |
| 2C/O | VMP 37A2-2 | |||||
| 3P-4W | 1C/O | VMP 47A2-1 | ||||
| 2C/O | VMP 47A2-2 | |||||
| - | Single Phase Prevention , Phase Sequence & Unbalance (15%) | Fix Trip Delay (5s) & Fix Reset Delay (5s) for UB | Auto Reset | 3P-3W | 1C/O | VMP 38A2-1 |
| 2C/O | VMP 38A2-2 | |||||
| 3P-4W | 1C/O | VMP 48A2-1 | ||||
| 2C/O | VMP 48A2-2 | |||||
| Under Voltage | Single Phase Prevention | Adjustable Trip Delay (.2-10sec) | Auto Reset | 3P-3W | 1C/O | VMR 39A0-1 |
| 2C/O | VMR 39A0-2 | |||||
| 3P-4W | 1C/O | VMR 49A0-1 | ||||
| 2C/O | VMR 49A0-2 | |||||
| Over Voltage | Single Phase Prevention | Adjustable Separate Trip Delay (.2-10sec) | Auto Reset | 3P-3W | 1C/O | VMR 31A0-1 |
| 2C/O | VMR 31A0-2 | |||||
| 3P-4W | 1C/O | VMR 41A0-1 | ||||
| 2C/O | VMR 41A0-2 | |||||
| Under + Over Voltage | Single Phase Prevention | Adjustable Separate Trip Delay (.2-10sec) | Auto Reset | 3P-3W | 1C/O | VMR 31A0-1 |
| 2C/O | VMR 31A0-2 | |||||
| 3P-4W | 1C/O | VMR 41A0-1 | ||||
| 2C/O | VMR 41A0-2 | |||||
| Under + Over Voltage | Single Phase Prevention | Fix Trip Delay(5s) & Adjustable Separate Reset Delay | Auto Reset | 3P-3W | 1C/O | VMR 31A1-1 |
| 2C/O | VMR 31A1-2 | |||||
| 3P-4W | 1C/O | VMR 41A1-1 | ||||
| 2C/O | VMR 41A1-2 | |||||
| Under + Over Voltage | Single Phase Prevention | Adjustable Separate Trip Delay (.2-10sec) | Auto Reset | 3P-3W | 1C/O | VMR 31A3-1 |
| 2C/O | VMR 31A3-2 | |||||
| 3P-4W | 1C/O | VMR 41A3-1 | ||||
| 2C/O | VMR 41A3-2 | |||||
| Under + Over Voltage | Single Phase Prevention | Fix Trip Delay (5s) & Fix Reset Delay (5s) | Auto Reset | 3P-3W | 1C/O | VMR 31A2-1 |
| 2C/O | VMR 31A2-2 | |||||
| 3P-4W | 1C/O | VMR 41A2-1 | ||||
| 2C/O | VMR 41A2-2 | |||||
| Protection | Time Delay | Reset Type | Supply | Contact Type | Model No. | |
| Variable Setting | Fixed Setting | |||||
| Under + Over Voltage | Single Phase Prevention | Fix Trip Delay (5s) & Fix Reset Delay (5s) | Manual Reset | 3P-3W | 1C/O | VMR 31M4-1 |
| 2C/O | VMR 31M4-2 | |||||
| 3P-4W | 1C/O | VMR 41M4-1 | ||||
| 2C/O | VMR 41M4-2 | |||||
| Under + Over Voltage | Single Phase Prevention , Phase Sequence & Unbalance (10%) | Fix Trip Delay (5s) & Fix Reset Delay (5s) for UB | Auto Reset | 3P-3W | 1C/O | VMP 35A2-1 |
| 2C/O | VMP 35A2-2 | |||||
| 3P-4W | 1C/O | VMP 45A2-1 | ||||
| 2C/O | VMP 45A2-2 | |||||
| Under + Over Voltage | Single Phase Prevention , Phase Sequence & Unbalance (10%) | Adjustable Separate Trip Delay (.2-10sec) & Fix Reset Delay (5s) | Auto Reset | 3P-3W | 1C/O | VMP 35A0-1 |
| 2C/O | VMP 35A0-2 | |||||
| 3P-4W | 1C/O | VMP 45A0-1 | ||||
| 2C/O | VMP 45A0-2 | |||||
| Under + Over Voltage | Single Phase Prevention , Phase Sequence & Unbalance (10%) | Fix Trip Delay (5s) & Adjustable Separate reset delay | Auto Reset | 3P-3W | 1C/O | VMP 35A1-1 |
| 2C/O | VMP 35A1-2 | |||||
| 3P-4W | 1C/O | VMP 45A1-1 | ||||
| 2C/O | VMP 45A1-2 | |||||
| Unbalance | Single Phase Prevention &Phase sequence | Adjustable Trip Delay and reset delay (.2-10sec) | Auto Reset | 3P-3W | 1C/O | VMP 34A3-1 |
| 2C/O | VMP 34A3-2 | |||||
| 3P-4W | 1C/O | VMP 44A3-1 | ||||
| 2C/O | VMP 44A3-2 | |||||
| Under + Over Voltage &Unbalance | Single Phase Prevention &Phase sequence | Adjustable Trip Delay a delay (.2-10sec) Fix reset delay | Auto Reset | 3P-3W | 1C/O | VMP 34A0-1 |
| 2C/O | VMP 34A0-2 | |||||
| 3P-4W | 1C/O | VMP 44A0-1 | ||||
| 2C/O | VMP 44A0-2 | |||||
| Under + Over Voltage &Unbalance | Single Phase Prevention &Phase sequence | Fix Trip Delay(5s) & Adjustable Reset Trip | Auto Reset | 3P-3W | 1C/O | VMP 33A1-1 |
| 2C/O | VMP 33A1-2 | |||||
| 3P-4W | 1C/O | VMP 43A1-1 | ||||
| 2C/O | VMP 43A1-2 | |||||
| Under + Over Voltage &Unbalance | Single Phase Prevention &Phase sequence | Fix Trip Delay(5s) & Adjustable Reset Trip | Auto Reset | 3P-3W | 1C/O | VMP 33A2-1 |
| 2C/O | VMP 33A2-2 | |||||
| 3P-4W | 1C/O | VMP 43A2-1 | ||||
| 2C/O | VMP 43A2-2 | |||||
| Under + Over Voltage &Unbalance | Single Phase Prevention &Phase sequence | Adjustable Trip Delay (.2-10sec) | Manual Reset | 3P-3W | 1C/O | VMP 33M4-1 |
| 2C/O | VMP 33M4-2 | |||||
| 3P-4W | 1C/O | VMP 43M4-1 | ||||
| 2C/O | VMP 43M4-2 | |||||
| Under + Over Voltage &Unbalance | Single Phase Prevention &Phase sequence | Programmable Variable (.2-10sec) or Fixed(5 sec) | Auto / Manual | 3P-3W | 2C/O | VMZ 33S4 |
| 3P-4W | 2C/O | VMZ 43S4 | ||||
- Plot No. 20-21, Sector 59, Phase-2, Faridabad - 121004, Haryana, India
- Mr. Pankaj Gupta (Director)
- Send Inquiry
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