Voltage Relay VR-100
A numerical multifunction voltage relay for busbar monitoring in low-voltage and medium-voltage installations. It provides overvoltage and undervoltage protection and can also be used to protect generators and transformers from unacceptable voltage deviations.
A numerical multifunction voltage relay for busbar monitoring in low-voltage and medium-voltage installations. It provides overvoltage and undervoltage protection and can also be used to protect generators and transformers from unacceptable voltage deviations.
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Undervoltage and overvoltage protection
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Optional dU/dt protection
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Phase and line voltage measurement
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Residual voltage and frequency measurement
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Up to 10 timestamped events
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RS485, optical or Ethernet communication
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2x16 LCD display
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Four programmable relay outputs
- Measuring inputs
- 4
- Rated voltage
- 57.7; 63.5; 230 V
- Optional input voltage
- 50 to 300 V
- Rated frequency
- 50, 60 or 200 Hz
- Voltage measuring range
- 0.1 to 1.7 Un
- Frequency measuring range
- 45 to 250 Hz
- Digital inputs
- 3
- Relay outputs
- 5
- Display
- LCD 2x16, 5 dual-color LEDs
- Communication
- RS485, optical option, Ethernet option
- Supply
- 220 V AC or 24/48/110/220 V DC
- Temperature range
- 0 C to +50 C
- Extended temperature range option
- -20 C to +60 C
- Mounting
- panel, DIN 43700
- Dimensions
- 96 x 96 x 90 mm