NTL 650 Din Rail Enclosure Heater

This Din Rail Enclosure Heater (Semiconductor fan heater) prevents the 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.

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  • Pressure clamp connectors
  • Dynamic heating up
  • Wide voltage range
  • Energy saving
  • Clip fixing, Quick installation


Technical Data

NTL 650
Operating voltage 230VAC or 120VAC
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
With Thermostat with thermostat to control temperature for heater
With on/off switch can manual power on and off
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)
Art. No. Operating voltage Heating capacity¹ Airflow, free flow Setting range thermostat² Weight (approx.)
650D01/650D02 220-240VAC, 50/60Hz 300W(50Hz) / 400W(60Hz) 35m³/h 0 to +60°C 0.9kg
650D03/650D04 220-240VAC, 50/60Hz 475W(50Hz) / 550W(60Hz) 35m³/h 0 to +60°C 0.9kg
650D05/650D06 220-240VAC, 50/60Hz 550W(50Hz) / 650W(60Hz) 45m³/h 0 to +60°C 1.1kg
650D07/650D08 100-120VAC, 50/60Hz 300W(50Hz) / 450W(60Hz) 35m³/h +32 to +140°F 0.9kg
650D09/650D10 100-120VAC, 50/60Hz 400W(50Hz) / 550W(60Hz) 35m³/h +32 to +140°F 0.9kg
650D11/650D12 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)