02820.0-08

Toll free: 1-888-783-4611 (US & Canada only) · www.stegousa.com www.stegousa.com TOUCH-SAFE PTC FAN HEATER CSF 028 | 250 W, 400 W >>Compact size >>Integrated pre-set thermostat >>Quiet operation >>Heating power adjusts to ambient temperature >>DIN rail or screw tab mount available The CSF 028 fan heater prevents formation of condensation and provides evenly distributed interior air temperature in enclosures.  The touch-safe plastic housing and the small size makes it ideal for use in enclosures with a high packing density.  The heater is equipped with a fixed set point thermostat and is easily wired via external pressure clamps. Two different mounting options are available - DIN rail or screw tabs. The robust screw tab mounting is particularly suitable for applications with high vibration. TECHNICAL DATA CSF 028 with screw mount tabs Heating element PTC resistor - temperature limiting Surface temperature 250 W: max. 122 °F (50 °C), 400 W: max. 149 °F (65 °C) each except upper protective grille at 68 °F (20 °C) ambient temperature Overheat protection built-in temperature limiter Axial fan, ball bearing service life 40,000 h at 104 °F (+40 °C) Axial fan, free blowing 32 cfm (54 m³/h) @ AC 120 V; 26 cfm (45 m³/h) @ AC 230 V Connection 2-pole dual pressure clamp for solid wire AWG 14 max. (2.5mm²), stranded wire (with wire end ferrule) AWG 16 max. (1.5 mm²) Housing plastic according to UL 94V-0, black Mounting clip for 35 mm DIN rail, EN 60715 or screw mount (Ø 5.5 mm), clamping torque 2 Nm max., washers must be used Mounting position vertical airflow (air outlet up), horizontal airflow Dimensions models with DIN clip: 4.13 x 3.35 x 4.65" (105 x 85 x 118 mm), models w/ screw tabs: 4.13 x 4.53 x 4.25" (105 x 115 x 108 mm) Weight 17.6 oz. (500 g) Operating / Storage temperature -40 to +158 °F (-40 to +70 °C) / -49 to +158 °F (-45 to +70 °C) Operating / Storage max. 90 %RH (non-condensing) Protection class / Protection type II (double insulated) / IP20 Approvals UL File No. E150057, VDE Part No. DIN mount Part No. screw tab mount Operating voltage Heating capacity¹ Inrush current max. Pre-fuse T (time-delay) 02821.9-06 02821.9-08 AC 120 V, 50/60 Hz 250 W 6A 10 A 59 °F (15 °C) 41 °F (5 °C) 02821.9-09 02821.9-11 AC 120 V, 50/60 Hz 250 W 6A 10 A 77 °F (25 °C) 59 °F (15 °C) 02820.9-06 02820.9-08 AC 120 V, 50/60 Hz 400 W 9A 10 A 59 °F (15 °C) 41 °F (5 °C) 02820.9-09 02820.9-11 AC 120 V, 50/60 Hz 400 W 9A 10 A 77 °F (25 °C) 59 °F (15 °C) 02821.0-06 02821.0-08 AC 230 V, 50/60 Hz 250 W 9A 10 A 59 °F (15 °C) 41 °F (5 °C) 02821.0-09 02821.0-11 AC 230 V, 50/60 Hz 250 W 9A 10 A 77 °F (25 °C) 59 °F (15 °C) 02820.0-06 02820.0-08 AC 230 V, 50/60 Hz 400 W 15 A 16 A 59 °F (15 °C) 41 °F (5 °C) 02820.0-09 02820.0-11 AC 230 V, 50/60 Hz 400 W 15 A 16 A 77 °F (25 °C) 59 °F (15 °C) ¹ at 68 °F (20 °C) ambient temperature; ² tolerance of ±5 K Note: Other Switch-off and Switch-on temperatures on request Switch-off temperature² Switch-on temperature² 08.08.2014 | Specifications are subject to change without notice. Suitability of this product for its intended use and any associated risks must be determined by the end customer/buyer in its final application. CSF 028 with DIN clip 3.54“ (90mm) 4.13“ (105mm) 3.35“ (85mm) www.stegousa.com TECHNICAL DRAWINGS SCREW TAB MOUNT View: back side Wiring example Fan heater CSF 028 Ambient Temperature 08.08.2014 | Specifications are subject to change without notice. Suitability of this product for its intended use and any associated risks must be determined by the end customer/buyer in its final application. Heating Power (W) Toll free: 1-888-783-4611 (US & Canada only) · www.stegousa.com DIN RAIL MOUNT 4.45“ (113mm) View: back side 4.65“ (118mm)