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 |