NTL 522 Semiconductor Enclosure Heater

NTL 522 Semiconductor Enclosure Heater 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 522
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
Heater body anodised extruded aluminium profile
Surface temperature max. +75°C
Axial fan, ball bearing Airflow, free flow 45m³/h (50Hz) or 54m³/h (60Hz)

service life 50,000h at +25°C (+77°F)

Connection internal connection terminal 1.5mm² with strain relief, clamping torque 0.8Nm max.
Connection casing plastic according to UL94 V-0, black
Mounting clip for 35mm DIN rail, EN 60715
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 / I (earthed)
Note other voltages on request
Art. No. Heating capacity¹ Operating voltage Length (L) Weight (approx.)
52210.0 100W 230VAC, 50/60Hz 182mm 0.8kg
52215.0 150W 230VAC, 50/60Hz 182mm 0.8kg
52225.0 250W 230VAC, 50/60Hz 182mm 0.8kg
52230.0 300W 230VAC, 50/60Hz 222mm 1.2kg
52240.0 400W 230VAC, 50/60Hz 222mm 1.2kg
52250.0 500W 230VAC, 50/60Hz 222mm 1.2kg
52210.9 100W 120VAC, 50/60Hz 182mm 0.8kg
52215.9 150W 120VAC, 50/60Hz 182mm 0.8kg
52225.9 250W 120VAC, 50/60Hz 182mm 0.8kg
52230.9 300W 120VAC, 50/60Hz 222mm 1.2kg
52240.9 400W 120VAC, 50/60Hz 222mm 1.2kg
52250.9 500W 120VAC, 50/60Hz 222mm 1.2kg

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