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DIN-DFM

Frequency Monitor – DFM

$37.82

Phase Failure / Reversal Monitor for monitoring three phase supply voltage. The unit is ideal for protection against phase reversal, phase loss and phase imbalance.

 

Features:

 

  • Microprocessor controlled
  • Front face adjustable over and under frequency levels
  • Monitors own supply
  • 4 Front face selectable delays
  • Optional latch facility
  • Modular 35.5mm DIN rail mountable
  • 10A SPDT output relay
  • LED indication for over and under frequency
  • LED indication for power supply ON
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Description

Input Specifications

Input Pin 1, 3 L & N
Measuring Ranges (Hz) Nominal Frequency 50 Hz
Upper Limit 50 – 56 Hz
Lower Limit 45 – 50 Hz
Hysteresis 2%
Repeat Accuracy ≤ 1%
Latch Input Pin 8 & 10

Output Specifications

Output Specifications SPDT
Rated Isolation Voltage 6000 VAC (contact / electric)
1000 VAC (contact / contact)
Nominal Rate in AC1 (AG-Ni) 2500 VA
Rated Current 10A
Rated Voltage 250V
Mechanical Life 10×106 cycles
Electrical Life 10×103 cycles (at max load)
Operation Frequency ≤ 1800 cycles/h

Supply Specifications

Power Suppy AC Type 110, 230, 400V, 525V ± 10%
(Galvanic) 50 / 60 Hz ± 5Hz
Isolation 4kV
Consumption ± 3VA
±6 VA 525 VA

General Specifications

Power ON Delay ≤ 300ms
Power OFF Delay ≤ 200ms
Indication for
Power Supply ON LED green
Over Frequency LED red
Under Frequency LED red
Environment
Degree Of protection IP 20
Operating Temperature -10 to + 50°C
Storage Temperature -50 to + 85°C
Weight 200g

Additional information

Supply Voltage

525Vac, 400Vac, 230Vac, 110Vac

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