Phase monitoring relay 102A series
voltageSPDTthree-phase

phase monitoring relay
phase monitoring relay
phase monitoring relay
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Characteristics

Measured/monitored value
voltage, phase
Contact configuration
SPDT
Network
three-phase
Trigger voltage

Max.: 600 V

Min.: 190 V

Description

The 102A series is a three-phase, auto-ranging, dual-range voltage monitor that protects 190–600 V ac, 50*/60 Hz motors regardless of size. This monitor provides a user-selectable nominal voltage setpoint and will automatically select between the 200 V and 400 V range. A unique microcontroller-based voltage and phase-sensing circuit constantly monitors the three-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 102A monitor includes advanced, single LED diagnostics with five different light patterns that distinguish between faults and normal conditions. LED indications include normal operation, power-up restart delay, reverse-phase trip, unbalance/single-phase trip, and high- or low-voltage trip. *Note: 50 Hz will increase all delay times by 20 % Features Proprietary microcontroller-based circuitry Auto-sensing wide voltage range Advanced LED diagnostics Adjustable trip delay (102A2)
*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.