SSAC-SYMCOM PLM9405 Voltage Monitoring Relay

SSAC-SYMCOM PLM9405 Voltage Monitoring Relay

Brand: Littelfuse

Part Number: PLM9405

Littelfuse SSAC Voltage Monitoring Relay, 3-Phase Electro Mechanical, Series: PLM, 480 VAC, 50/100 Hz Frequency, SPDT/(1 Form C) Contact Configuration, 8 Pins, Plug-In/Socket Mounting, Quick Octal Plug-In Terminal, 5 s Trip Delay, 3.2 in H x 2.39 in W x 1.78 in D Dimensions

Additional Description: LTFS-PLM9405 3 PHASE LINE MONITOR

Catalog Description: The PLM Series is a 3-phase voltage monitor that continuously monitors each of the three phases. Monitors both delta and wye systems and no connection to neutral is required. The microcontroller circuit design protects against undervoltage, voltage unbalance, phase loss and phase reversal. Protection is assured when regenerated voltages are present. Operation: The output relay is energized and the LED glows green when all voltages are acceptable and the phase sequence is correct. Under and unbalanced voltages must be sensed for a continuous trip delay period before the relay de-energizes. Reset is automatic upon correction of the fault condition. The output relay will not energize if a fault condition is sensed as power is applied. The LED flashes red during the trip delay, then glows red when the output de-energizes. The LED flashes green/red if phase reversal is sensed. Field Adjustment: Set voltage adjustment knob at the desired operating line voltage for the equipment. This adjust