102A SYMCOM 3-Phase Voltage Monitor

102A
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  • Product Type: Voltage & Phase Monitoring
  • Manufacturers: Littelfuse
  • Product Family: SYMCOM
  • Frequency: 50/60Hz
  • Input Voltage: 190-480VAC
  • Max Operating Temperature: 158 F
  • Min Operating Temperature: -40 F
  • Mounting Method: Screw Mounted
  • Output Form: SPDT
  • Output Load Rating: 10A @ 240VAC
  • Output Load Rating Pilot Duty: 480VA @ 240VAC
  • Restart Delay Range: 2s
  • Trip Delay Range: Under/Over Voltage 4s; Unbalance/phasing faults - 2s
  • Trip Point Accuracy: +/-1%
  • Undervoltage Reset Voltage: 93%
  • Undervoltage Trip Voltage: 90%
  • Voltage Unbalance Reset: 4.5%
  • Voltage Unbalance Trip Point: 6%
SYMCOM 102A Series 3-Phase Voltage Monitor, auto-sensing voltage range, adjustable trip delay, 190-480 VAC 50/60Hz, SPDT, 5W, 480VA @ 240VAC pilot duty, 10A @ 240VAC gen purpose, screw mounted mount, LED visual indicator.
  • Product Description

The 102A is a 3-phase, auto-ranging, dual-range voltage monitor that protects 190-600VAC, 50/60Hz motors regardless of size. The product provides a user selectable nominal voltage setpoint and the voltage monitor automatically selects between the 200V and 400V range.

A unique microcontroller-based voltage and phase-sensing circuit constantly monitors the 3-phase voltages to detect harmful power line conditions. When a harmful condition is detected, the output relay is deactivated after a specified trip delay. The output relay reactivates after power line conditions return to acceptable levels.

The Model 102A includes advanced single LED diagnostics. Five different light patterns distinguish between faults and normal conditions.