NTL-411-T Small Enclosure Heater With LED Indicator

NTL-411-T Small Enclosure Heater With LED Indicator is An evenly distributed interior air temperature in enclosures with electric/electronic components.

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  • Compact design
  • Clip fixing
  • Long service life
  • Temperature safety cut-out



Technical Data

NTL 411-T
Operating voltage 230VAC or 120VAC
Heating element PTC resistor – temperature limiting
Surface temperature 150W/250W: max. +50°C (+122°F), 400W: max. +65°C (+149°F)

each except upper protective grille at +20°C (+68°F) ambient temperature

Axial fan, ball bearing air flow, free flow

45m³/h (230VAC), 54m³/h (120VAC)

service life 40,000h at +40°C (+104°F)

Connection 2-pole clamp max. 2.5mm²,

clamping screw torque 0.8Nm max.

Casing plastic according to UL94 V-0, black
Mounting clip for 35 mm DIN rail, EN 60715 or screw fixing (Ø 5.3mm)
Fitting position vertical airflow (air outlet up)
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)
Note other voltages on request
Art. No. Heating capacity¹ Operating voltage Dimensions Weight (approx.)
41115.0-T 150W 230VAC, 50/60Hz 75×65×90mm 0.3kg
41125.0-T 250W 230VAC, 50/60Hz 90×85×111mm 0.5kg
41140.0-T 400W 230VAC, 50/60Hz 90×85×111mm 0.5kg
41115.9-T 150W 120VAC, 50/60Hz 75×65×90mm 0.3kg
41125.9-T 250W 120VAC, 50/60Hz 90×85×111mm 0.5kg
41140.9-T 400W 120VAC, 50/60Hz 90×85×111mm 0.5kg

¹ at +20°C (+68°F) ambient temperature