Model: ExPolar
A heating system fitted over ExMax explosion-proof electric actuators so they can be used at low ambient temperatures. It consists of a heater, thermostat, insulation, stainless steel enclosure and an explosion-proof terminal box.
| Supply Voltage / Frequency | 24 V AC/DC, 48 V AC/DC, 120 V AC or 240 V AC, 50/60 Hz with AC |
| Current Consumption | 24 V: 2.5 A (protection class III, grounded); 48 V: 1.3 A (protection class I, grounded); 120 V: 0.5 A (protection class I, grounded); 240 V: 0.3 A (protection class I, grounded) |
| Rated Output | 60 W ±5% |
| Electrical Connection | Ex-e terminal box with terminals 0.5 to 4 mm², equipotential bonding 4 mm² |
| Cable Gland | M20 × 1.5 mm, cable bushing Ø 6~13 mm |
| Enclosure Material | Stainless steel 1.4404 / UNS S31603 / AISI 316L |
| Heater / Thermostat Material | Aluminium, seawater-resistant galvanised, NBR gasket |
| Terminal Box Material | Aluminium, powder-coated, EPDM gasket |
| Insulation | Armacell/HT |
| Weight | MS type approx. 1.9 kg, MM type approx. 2.2 kg, CBR type approx. 1.8 kg |
| Storage Temperature | -50 to +60 °C |
| Ambient Temperature (operating) | -50 to +60 °C |
| Humidity | 0 to 90% RH, non-condensing |
| Preheat Time | Approx. 1 hour |
| Thermostat Function | ON/OFF: TR = -10 °C / 0 °C |
| Temperature Monitoring | ON/OFF: T1lim = +60 °C / +15 °C, T2lim = +70 °C / +5 °C |
| Operating Mode | 100% ED (duty cycle) |
| Scope of Delivery | Heating system with insulation, including heating element, control thermostat, terminal box and securing elements |
| Status on Delivery | Prefitted terminal box (MS type: right; MM and CBR types: left) |
| Enclosure Protection | IP66 per EN 60529 |
| Explosion Protection (gas) | II 2 G Ex eb mb IIC T6 |
| Explosion Protection (dust) | II 2 D Ex tb mb IIIC T80°C |
| Operating Temperature | -50~60 °C |
| Body Material | Stainless steel |