NTL153 PTC Electrical Enclosure Heater

NTL153 PTC Electrical Enclosure Heater is An evenly distributed interior air temperature in enclosures with electric/electronic components.

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  • Compact
  • Flat design
  • High air through-flow
  • Temperature safety cut-out
  • Clip fixing


Technical Data

Operating voltage 120-260V AC/DC¹ (min. 110V, max. 265V)
Heating element PTC resistor – temperature limiting
Surface temperature < +85°C (+185°F) (according to VDE 0100), except upper protective grille
Connection 2-pole terminal 2.5mm², torque 0.8Nm max.
Casing plastic according to UL94 V-0, black
Mounting clip for 35mm DIN rail, EN 60715
Fitting position vertical airflow (air outlet up, connection on bottom)
Operating/Storage temperature -45°C to +70°C (-49°F to +158°F)
Operating/Storage humidity max. 90% RH (non-condensing)
Protection type/Protection class IP20 / II (double insulated)
Note other voltages on request

Operating with voltages below 140V AC/DC reduces heating performance by approx 10%.

Art. No. Heating capacity² Dimensions Weight (approx.)
860245 10W 96 x 38 x 79mm 0.2kg
860246 20W 96 x 38 x 79mm 0.3kg
860247 30W 96 x 38 x 79mm 0.3kg

² at +20°C (+68°F) ambient temperature