SSAC Voltage Monitor HLMUDLAAA, 200-480 volts adj., DPDT
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SSAC HLMUDLAAA is a universal voltage, encapsulated, 3-phase voltage monitor. It continuously measures the voltage of each of the three phases with microcontroller accuracy and compares the value to preset trip points. The unit trips within 200ms when phase loss is detected. Adjustable time delays are included to prevent nuisance tripping and short cycling of sensitive equipment. Nominal line voltage, voltage unbalance, and time delays are knob adjustable. The phase loss setpoint and the acceptable frequency range are fixed. Both delta and wye systems can be monitored; no connection to neutral is required. Isolated, 10A, DPDT output contacts LED indicates relay status, faults, & time delays Universal line voltage 200 to 480VAC in one unit Finger-safe terminal blocks, up to 12 AWG IEEE C62.41-1991 Level B, CE, UL, cUL SSAC PART NUMBER IS HLMUDLAAA Lockout or minimum OFF time. The restart delay begins when the output trips. The unit cannot be re-energized until the restart delay is complete. This provides a minimum off time or lockout time to allow equipment sensitive to short cycling, time to reset. If the fault is corrected after the restart delay is complete, the output energizes immediately. The restart delay also occurs when line voltage is applied/reapplied. SSACLITTELFUSE View Product Datasheet (pdf format) Click here to return to the full list of SSAC Time Delay Relays (TDRs), Flashers and Timers.