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 temperatur

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 

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

408M01

250W

230VAC, 50/60Hz 

61 x 80 x 93mm

0.25kg

408M02

400W

230VAC, 50/60Hz 

61 x 80 x 93mm

0.25kg

408M03

250W

120VAC, 50/60Hz

61 x 80 x 93mm

0.25kg

408M04

400W

120VAC, 50/60Hz

61 x 80 x 93mm

0.25kg