MIL-RD4911Ex Regulator & Limiter for ATEX

  • The appliance complies with DIN IEC 100 protection class I
  • The general installation standard EN 60079-14 must be observed
  • Comply with DIN VDE 0100 mount the appliance at all 4 fixing points on the supporting structure
  • Manipulations of any kind on the device are not permitted
  • Connect the PE connection to the housing cover
  • Terminal cover is also contact protection and must be present during operation
  • Cable glands must be suitable for the cables/wires to ensure sufficient
    strain relief is guaranteed
  • Application area II 2 G Ex e ib [ib Gb] mb IIC T4 Gb and II D Ex tb IIIC IP 6X T90 °C Db
  • Measuring range of controller and limiter 0…450°C
  • Intrinsically safe and galvanically isolated connection for platinum resistance thermometers
    Pt100 DIN EN 60751 in 3- or 2-wire circuit
  • Switching point adjustment accessible with screwdriver
  • Switching position of the main contactor indicated by a green LED
  • Measured value display via 7-segment LED display for controller and limiter
  • Indication of sensor break or sensor short-circuit signal
  • Unlocking the limiter on the device
  • No unlocking required after power failure
  • Power supply 230V~ 50/60 Hz
  • Sturdy aluminum standard housing IP64 for mounting on base plate
  • Device fuse for the control circuit is internally accessible via terminal block

Technical data

Nominal voltage 230 V AC
Switching capacity 25 A
Switching current 10 A
Sensor input Pt100
Temperature range controller & limiter 0 – 450°C
Protection class I
Prtection type IP 65
Consumer and sensor connection Terminal connection
Dimensions 260 x 160 x 135 mm (W x H x D)

Order data

Type Connection Item no.
MIL-RD4911Ex Terminal connection 61004911