> Compact heater
> Integrated thermostat
> Clip fixing
> Optical indicator
> Temperature safety cut-out
Semiconductor fan heater prevents formation of condensation and frost and provides an evenly distributed interior air temperature in enclosures with electric/electronic components. The integrated thermostat is used to set the desired temperature.
Technical Data
CR 027 | |
Heating element | PTC resistor - temperature limiting |
Temperature safety cut-out | to protect against overheating in case of fan failure, automatic reset |
Axial fan, ball bearing | airflow see table service life 50,000h at +25°C (+77°F) |
Connection | 2-pole clamp 2.5mm², clamping torque 0.8Nm max |
Casing | plastic according to UL94 V-0, light grey |
Optical indicator | thermostat control lamp |
Mounting | clip for 35mm DIN rail, EN 60715 |
Fitting position | vertical airflow (air outlet up) – other fitting positions possible |
Dimensions | 100 x 128 x 165mm |
Operating/Storage temperature | -45 to +70°C (-49 to +158°F) |
Operating/Storage humidity | max. 90% RH (non-condensing) |
Protection type/Protection class | IP20 / II (double insulated) |
Examples of connection
Art. No. | Operating voltage | Heating capacity¹ | Airflow, free flow | Setting range thermostat² | Weight (approx.) |
02700.0-00 | 220-240VAC, 50/60Hz | 475W(50Hz) / 550W(60Hz) | 35m³/h | 0 to +60°C | 0.9kg |
02701.0-00 | 220-240VAC, 50/60Hz | 550W(50Hz) / 650W(60Hz) | 45m³/h | 0 to +60°C | 1.1kg |
02700.9-00 | 100-120VAC, 50/60Hz | 400W(50Hz) / 550W(60Hz) | 35m³/h | +32 to +140°F | 0.9kg |
02701.9-00 | 100-120VAC, 50/60Hz | 510W(50Hz) / 650W(60Hz) | 45m³/h | +32 to +140°F | 1.1kg |
¹ at +20°C (+68°F) ambient temperature;
² Switch temperature difference 7K (±4K tolerance)
