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Ex solenoid / alarm driver


  • 1- or 2-channel version
  • Solenoid driver for I.S. area
  • 3- / 5-port 3.75 kVAC galvanic isolation
  • Digitally controlled voltage supply for I.S. area
  • Universal supply by AC or DC
  1. Overview +

  2. Technical details +

  3. Accessories +


  • Driver with safety barrier for the control of ON / OFF solenoids mounted in hazardous area.
  • Driver with safety barrier for the supply of LEDs and acoustic alarms mounted in hazardous area.
  • Voltage supply with ON / OFF control of other equipment.

Technical characteristics

  • PR5203B has a digital input per channel for the control of the I.S. output voltage.
  • Supply, inputs, and outputs are floating and galvanically separated.

Mounting / installation

  • Mounted vertically or horizontally on a DIN rail. By way of the 2-channel version up to 84 channels per meter can be mounted.

Data sheet

Ex certificate

Russian manual

UL certificate

EAC declaration

EAC Ex certificate

Metrology Pattern Approval (MPA)

Environmental Conditions

  • Operating temperature

    -20°C to +60°C

  • Calibration temperature


  • Relative humidity

    < 95% RH (non-cond.)

  • Protection degree


Mechanical specifications

  • Dimensions (HxWxD)

    109 x 23.5 x 130 mm

  • Weight approx.

    230 g

  • Wire size

    1 x 2.5 mm2 stranded wire

  • Screw terminal torque

    0.5 Nm

Common specifications

  • Supply

  • Supply voltage, universal

    21.6...253 VAC, 50...60 Hz or 19.2...300 VDC

  • Fuse

    400 mA SB / 250 VAC

  • Max. required power

    ≤ 4 W (2 channels)

  • Internal power dissipation

    ≤ 2 W (2 channels)

  • Isolation voltage

  • Isolation voltage, test / working

    3.75 kVAC / 250 VAC


    IEC 61140

  • Max. frequency

    20 Hz

  • EMC immunity influence

    < ±0.5% of span

  • Extended EMC immunity: NAMUR NE21, A criterion, burst

    < ±1% of span

Input specifications

  • NPN and mechanical switch

  • Trig level LOW

    ≤ 4.0 VDC

  • Trig level HIGH

    ≥ 7.0 VDC

  • Max. external voltage

    28 VDC

  • Input impedance

    3.48 kΩ

  • PNP

  • Trig level LOW

    ≤ 4.0 VDC

  • Trig level HIGH

    ≥ 7.0 VDC

  • Max. external voltage

    28 VDC

  • Input impedance

    3.48 kΩ

Output specifications

  • Output voltage

    See Ex data in manual

  • Output current

    See Ex data in manual

  • Output ripple

    < 40 mVRMS

Observed authority requirements

  • EMC


  • LVD


  • EAC

    TR-CU 020/2011


  • ATEX 2014/34/EU

    DEMKO 99ATEX126257, II (1) GD [EEx ia] IIC

  • UL

    UL 913, UL 508

  • EAC Ex TR-CU 012/2011

    RU C-DK.GB08.V.00410

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