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%. Frequency 50*/60Hz Functional Characteristics Low Voltage (% of setpoint) Trip 90%Reset 93% Voltage Unbalance (NEMA) Trip 6%Reset 4.5% Trip Delay Time Low/High Voltage 4 seconds (standard)Unbalance & Phasing Faults 2 seconds Restart Delay Time After a Fault 2 seconds (standard)After a Complete Power Loss 2 seconds (standard) Output Contact Rating (SPDT - 1 Form C) Pilot Duty 480 VA @ 240 V acGeneral Purpose 10 A @ 240 V ac General Characteristics Ambient Temperature Range Operating -40° to 70 °C (-40° to 158 °F)Storage -40° to 80 °C (-40° to 176 °F) Trip & Reset Accuracy ±1% Maximum Input Power 5 W Terminal Torque 7 in.-lbs Wire Size 12–18AWG Standards Passed Electrostatic Discharge (ESD) IEC 61000-4-2, Level 3, 6 kV contact, 8 kV airFast Transient Burst IEC 61000-4-4, Level 3, 4k V input, 2 kV input/outputTransient Protection (Internal) IEC 61000-4-5; 1995 ±6 kV Dimensions H 74.4 mm (2.93”)W 133.9 mm (5.27'')D 74.9 mm (2.95”) Weight 1.05 lbs. (16.8 oz., 476.27 g) Mounting Method #8 screws Certification & Compliance UL UL508 (File #E68520)CSA 22.2 No. 14 (File #46510)CE IEC 60947-6-2
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