Voltage Relay VR-50
A numerical multifunction voltage relay for busbar monitoring in low-voltage and medium-voltage networks. It is used for protection and supervision of generators, transformers and renewable energy grid connections.
A numerical multifunction voltage relay for busbar monitoring in low-voltage and medium-voltage networks. It is used for protection and supervision of generators, transformers and renewable energy grid connections.
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Undervoltage and overvoltage protection
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Undervoltage trip blocking when voltage drops below the configured threshold
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Underfrequency and overfrequency protection
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Optional vector shift and df/dt / ROCOF islanding protection
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Up to 100 timestamped events
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RS485 or optical communication
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2x8 LCD display
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TS35 DIN rail mounting
- Measuring inputs
- 3, galvanically isolated
- Rated voltage
- 57.7; 63.5; 230 V
- Optional input voltage
- 50 to 300 V
- Rated frequency
- 50 or 60 Hz
- Measuring range
- 0.1 to 1.7 Un
- Digital inputs
- 2
- Relay outputs
- 5, 4 programmable
- Display
- LCD 2x8, 8 multi LEDs
- Communication
- RS485, optical option
- Supply
- 220 V AC or 24/48/110/220 V DC
- Temperature range
- -20 C to +55 C
- Extended temperature range option
- -25 C to +60 C
- Mounting
- TS35 DIN rail
- Dimensions
- 106 x 95 x 58 mm