Semiconductor Fan Heater S 3340 up to 650W

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Technical Data

Sesco SKU:tp-108 Category: Tag: Brand:

Available on backorder


Semiconductor fan heaters prevent the formation of condensation and ensure en even temperature in switch and control equipment.
The built-in regulator is used to set the desired temperature.



  • Compact heater
  • Heating capacity adjusts to ambient temperature
  • Adjustable temperature range
  • Clip fixing
  • Optical indicator
  • Temperature safety cut-out


Heating elementPTC resistor, self regulating and
Temperature safety cut-outto protect against overheating
in case of fan failure
Axial fan, ball bearingairflow see table
service life 50,000h at 25°C
Casingplastic according to UL94 V-0,
light grey
Optical indicatorthermostat control lamp
Connection2-pole clamp 2.5mm², clamping
torque 0.8Nm max.
Mountingclip for 35mm DIN rail, EN 50022
Fitting positionvertical
Operating/Storage temperature0 to +60°C / -45 to +70°C
Dimensions100 x 128 x 165mm
Protection type / Protection classIP20 / II (double insulated)
ApprovalsUL File No. E204590


Art. No.Operating voltageHeating capacityLength (L)WeightInrush
current max.
free flow
Setting range
Temp. regulator
02700.0-00220-240VAC,50/60Hz475W550W11.0A35m³/h0 to +60°C0.90kg
02701.0-00220-240VAC,50/60Hz550W650W13.0A45m³/h0 to +60°C1.10kg
02700.9-00100-120VAC,50/60Hz400W550W14.0A35m³/h0 to +60°C0.90kg
02701.9-00100-120VAC,50/60Hz510W650W15.0A45m³/h0 to +60°C1.10kg

Available at SESCO with all parts and accessories. See attached brochure above for details. Contact us for inquiries.