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3-Phase Monitor -- Model 2581-240 Protective Relays and Monitoring Relays Data Sheets Time Mark Corporation


Available from: Time Mark Corporation
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3-Phase Monitor -- Model 2581-240
SPECIFICATIONS View Entire Datasheet
Voltage Sensitive Relay Undervoltage
Power (Phase) Sensing Phase Failure (Loss); Reversal
Protective Functions Synchronous Check (Paralleling)
Voltage Sensing Range (volts) ? to 240
Frequency Sensing Range (Hz) ? to 60.00
Notes SPDT, encapsulated circuitry, 1/4" Quick-connect terminals, ABS plastic
Abstract The Model 2581 3-Phase Monitor is designed to Model 2581-208 2581-220 2581-240 2581-480 continuously monitor 3-phase power lines for phase Nominal Voltage (phase to phase) 208VAC 220VAC 240VAC 480VAC loss, low voltage and phase reversal. The Model 2581 Trip Point 189VAC 200VAC 218VAC 436VAC Monitor will detect phase loss on a loaded motor even Trip Point Tolerance ± 2% when regenerated voltage is present. Frequency 60 Hz Power Consumpt...
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