NTL 151SB Semiconductor PTC Heater for Cabinet

NTL 151SB Semiconductor PTC Heater for Cabinet is An evenly distributed interior air temperature in enclosures with electric/electronic components.

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



Technical Data

Operating voltage 120-260V AC/DC or 12V DC or 24V DC or 48V DC¹ (min. 110 V, max. 265 V)
Heating element PTC resistor – temperature limiting
Heater body extruded aluminium profile, anodised
Connection 3 pressure clamps for stranded wire 0.5-1.5mm² (with wire end ferrule) and

rigid wire 0.5- 2.5mm²

Connection 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 to +70°C (-49 to +158°F)
Operating/Storage humidity max. 90% RH (non-condensing)
Protection type/Protection class IP20 / I (earthed)
Accessoires screw fixing
Note other voltages on request

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

Art. No. Heating capacity² Length (L) Weight (approx.)
860391 15W 65mm 0.25kg
860392 30W 65mm 0.25kg
860393 45W 65mm 0.25kg
860394 50W 80mm 0.35kg
860395 60W 140mm 0.35kg
860396 75W 140mm 0.45kg
860397 100W 140mm 0.45kg
860398 150W 220mm 0.65kg

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