26

PRODUCT CATALOGUE - STEGO

HEATING

TECHNICAL DATA

Heating element

PTC resistor – temperature limiting

Temperature safety cut-out

to protect against overheating in case of fan failure, automatic reset

Axial fan, ball bearing

air flow, free flow

CSF 028: 45 m³/h (AC 230 V), 54 m³/h (AC 120 V)

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

Connection

2-pole dual pressure clamp for rigid wire 2.5 mm²,

stranded wire (with wire end ferrule) 1.5 mm²

Casing

plastic according to UL94 V-0, black

Mounting

clip for 35 mm DIN rail, EN 60715 or screw fixing (Ø 5.5 mm),

clamping torque 2 Nm max., washers have to be used

Fitting position

vertical airflow (air outlet up)

Dimensions

models with clip fixing: 105 x 85 x 118 mm,

models with screw flange fixing: 105 x 115 x 108 mm

Weight

0.5 kg

Operating/Storage temperature

-40 to +70 °C (-40 to +158 °F)/-45 to +70 °C (-49 to +158 °F)

Operating/Storage humidity

max. 90 % RH (non-condensing)

Protection type/Protection class

IP20 / II (double insulated)

COMPACT SEMICONDUCTOR FAN HEATER

CSF 028 | 250 W, 400 W

The compact fan heater prevents formation of condensation and provides an evenly distributed interior air

temperature in enclosures with electric/electronic components. The touch-safe plastic housing and the small

dimensions makes it ideal for use in enclosures with high packing density. The CSF 028 is equipped with a preset

thermostat. It is connected via external clamps. The fan heater is available with two different mounting systems

– either mounting by screw flange or by clip. The robust screw flange fixing is particularly suitable for applications

with high vibration.

> Small, compact design

> Integrated pre-set thermostat

> Dynamic heating up

> Quick connection

> Clip or screw flange fixing

CSF 028 with clip fixing

CSF 028 with screw flange fixing

Art. No.

clip fixing

Art. No.

screw flange

fixing

Operating voltage

Heating

capacity¹

Inrush current

max.

Recommended

pre-fuse T

(time-delay)

Switch-off

temperature²

Switch-on

temperature²

Approvals

02821.0-06

02821.0-08

AC 230 V, 50/60 Hz

250 W

9,0 A

10,0 A

+15 °C (+59 °F)

+5 °C (+41 °F)

VDE

UL File No. E234324

EAC

02821.0-09

02821.0-11

AC 230 V, 50/60 Hz

250 W

9,0 A

10,0 A

+25 °C (+77 °F)

+15 °C (+59 °F)

VDE

UL File No. E234324

EAC

02820.0-06

02820.0-08

AC 230 V, 50/60 Hz

400 W

15,0 A

16,0 A

+15 °C (+59 °F)

+5 °C (+41 °F)

VDE

UL File No. E234324

EAC

02820.0-09

02820.0-11

AC 230 V, 50/60 Hz

400 W

15,0 A

16,0 A

+25 °C (+77 °F)

+15 °C (+59 °F)

VDE

UL File No. E234324

EAC

02821.9-06

02821.9-08

AC 120 V, 50/60 Hz

250 W

6,0 A

10,0 A

+15 °C (+59 °F)

+5 °C (+41 °F)

-

UL File No. E234324

EAC

02821.9-09

02821.9-11

AC 120 V, 50/60 Hz

250 W

6,0 A

10,0 A

+25 °C (+77 °F)

+15 °C (+59 °F)

-

UL File No. E234324

EAC

02820.9-06

02820.9-08

AC 120 V, 50/60 Hz

400 W

9,0 A

10,0 A

+15 °C (+59 °F)

+5 °C (+41 °F)

-

UL File No. E234324

EAC

02820.9-09

02820.9-11

AC 120 V, 50/60 Hz

400 W

9,0 A

10,0 A

+25 °C (+77 °F)

+15 °C (+59 °F)

-

UL File No. E234324

EAC

¹ at +20 °C (+68 °F) ambient temperature; ² tolerance of ±5 K

Note: Other switch-off and switch-on temperatures on request.

26TECHNICAL DATASHEET