STEGO Enclosure Heater with Fan CSL 028

The CSL 028 is a compact enclosure heater with a fan and PTC heating element designed to prevent condensation in high-component-density enclosures. It features a touch-safe black plastic casing rated to UL94 V-0, operates on AC at 50 or 60 Hz, and has a protection class of II and IP20 ingress rating. Mounting is possible via screw fixings or a clip for 35 mm DIN rail, with electrical connection through 2-pole pressure clamps supporting up to 2.5 mm² wire and a maximum torque of 0.8 Nm. The device includes a temperature safety cut-out and has an operating temperature range of -49 °F to 158 °F and humidity tolerance up to 90 % rF. Dimensions are 3.5 in height, 3.3 in width, and 4.4 in depth, with a weight of 17.6 oz. Service life exceeds 40,000 hours.