Explosion-proof electric multi-turn actuator MOR 3.4PA-Ex

Explosion-proof electric multi-turn actuator MOR 3.4PA-Ex

Type number: 108
Industry use: Oil and gas, Dust
Enclosure protection: IP 66
Switching-off torque: 150 to 300 Nm
Operating time: 10 to 80 min−1
Revolutions: 1 to 500
Weight: 66 kg
Ambient temperature: -50 to 60 °C
Flange size: F14
Mouting position: any
Type of protection: II 2G Ex db eb IIC T4/T5 Gb, II 2D Ex tb IIIC T135°C Db
contact Configurator

Hi, my name is Marko. I will be glad to help you.

Ing. Marko Štofan

Standard equipment and functions with DMS3

  • Supply voltage:
    • 3x400 V / 50 Hz
  • Terminal board connection
  • Thermal protection of electromotor against overheating
  • Switching off in end positions from position and from torque
  • Adjustment of switching-off torque from 50% to 100%
  • Torque blocking in end positions
  • Torque blocking during the start
  • 7 freely programmable relays R1, R2, RE1 ... RE5 (18 functions) (Not valid for Profibus and Modbus)
  • 2 relays READY (Not valid for Profibus and Modbus)
  • Control by unified signal 0/4 - 20 mA, 4 - 12 mA, 12 - 20 mA, or 0/2 - 10 V (not valid for Profibus and Modbus)
  • Control by permanent voltage (+24 V DC) - OPEN, CLOSE
  • Impulse control (inching duty) (+24 V DC) - OPEN, STOP, CLOSE
  • Timing mode / regime of operation
  • Safety function ESD (Failure reaction)
  • Electronic position transmitter 4 to 20 mA passive (not for DMS3 in 2P version) (not valid for Profibus and Modbus)
  • Auxiliary voltage output 24 V DC, max. 40 mA for supply of the control inputs and transmitter
  • Output for failure messages
  • Space heater operated by control unit
  • LED position indicator
  • Communication interface RS 232
  • Program for parameters setting by PC
  • Mechanical connection ISO 5210, flange size F14, shape B2, B3, C, D
  • Manual control
  • Enclosure protection IP 66

Additional equipment

  • Supply voltage: 
    • 3x380 V, 220 V / 50 Hz
  • Communication cable DB-9F/RJ45
  • Reversing unit for 3-phase supply voltage
  • Local control unit for electric actuators with DMS3 system
  • Version with control board PROFIBUS DP V0/V1
  • Version with control board MODBUS RTU
  • Mechanical connection
    • ISO 5210, flange size F14, shape A, B1
    • ГOCT P 55510, shape B
    • other - non-standard 

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An important fact of reliable operation is not only the correct design of fittings and servo drives, but also their subsequent care. With regular inspections and planned maintenance, you will prevent malfunctions and thus increase the reliability of the operation and extend its service life. For this purpose, the company REGADA also offers you comprehensive care of servo drives in your operation or just a selection from some of the listed services:

  1. Supervision during the first start-up of actuators in operation
  2. Connection and testing of actuators
  3. Connections and start-up of Rematic actuators - instruction
  4. Attaching the actuators to the valves and starting them
  5. Maintenance of actuators and periodic inspections
  6. Post-warranty repairs at the customer
  7. Post-warranty repair offer in Regada
  8. Training of service personnel
  9. Spare parts