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Electro-DCM-Current-monitor

Current Monitor – DCM

R697.98

The LA5 is a precise UNDER / OVER current monitoring relay. The unit can be ordered in many AC / DC current ranges, making it ideal for many current monitoring applications. The set point and hysteresis can be adjusted with separate potentiometers. The unit also incorporates a latch facility to prevent undetected failures. For applications which necessitate a CT, all units are supplied with a terminating resistor to prevent open circuit.

 

Features:

 

  • High resolution analogue microprocessor
  • Front face adjustable over and under current levels
  • 4 Front face selectable delays
  • Optional latch facility
  • Modular 35.5mm DIN rail mountable
  • 10A SPDT output relay
  • LED indication for over and under current
  • LED indication for power supply ON
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Description

Input Specifications

Input Pin 7 & 9
Measuring Ranges 0 – 5 A
Internal Resistance 0.1 Ohm
Maximum Overload Current 15 A (30sec)
Hysteresis 5 – 50%
Repeat Accuracy ≤ 1%
Latch 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 15A
Rated Voltage 250V
1000 VAC (contact / contact)
Mechanical Life 10×106cycles
Electrical Life 10×103 cycles (at max load)
Operation Frequency ≤ 1800 cycles/h

Supply Specifications

Power Suppy AC Type (Galvanic) 110, 230, 400V, 525V ± 10% 50 / 60 Hz ± 5Hz
Isolation 4kV
Consumption ± 3VA
±6 VA 525 V
Power Suppy DC Type (Non-galvanic) 12, 24, 48V ± 10%
Isolation None
Consumption ± 100 mA

General Specifications

Power ON Dela ≤ 300 ms
Power OFF Delay ≤ 200 ms
Indication for
Power Supply ON LED green
Output ON 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, 48Vac/dc, 24Vac/dc, 12Vac/dc
Input/Monitoring

0-5A, 0-15A, 0-20A, 4-20A

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