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> 3-phase power monitor - model 2642 - time mark corp.
3-phase power monitor - model 2642 - time mark corp.
Time Mark Corporation Model # C2642 - 3 Phase Power Monitor - Nominal Voltage: 480vac - 3 phase - 60Hz - Adjust Range: 380-500vac - Contact Rating: 10amps at 240vac - This detects phase loss, low voltage and phase reversal. Adjustable trip delay. Automatic or manual reset. DPDT output contacts. This device uses a combination of voltage and phase angle sensing, and will detect a phase loss even when regenerated voltages are present. This Model 2642 is fail-safe; the output contacts will transfer when correct power is applied, and trip out on any fault condition or complete loss of power. Each of five voltage versions can be adjusted throughout a wide operating range. An adjustable trip delay timer prevents nuisance tripping caused by momentary voltage dips. The DPDT output contacts allow this model to be used in control circuits and alarm circuits. The automatic reset can be converted to a manual reset by adding a normally closed switch. This item is brand new in the
