Operating voltage 

230VAC or 120VAC

Heating element

PTC resistor - temperature limiting

Surface temperature

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

anodised extruded aluminium profile

Mounting 

screw fixing

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

409TM01

250W 

230VAC, 50/60Hz

61 x 80 x 93mm

0.25kg

409TM02

400W

230VAC, 50/60Hz

61 x 80 x 93mm

0.25kg

409TM03

250W 

120VAC, 50/60Hz

61 x 80 x 93mm

0.25kg

409TM04

400W

120VAC, 50/60Hz

61 x 80 x 93mm

0.25kg