PTC heater Rittal 3105.400

The Rittal 3105.400 PTC heater is a compact heater with integrated fan designed for efficient temperature control in electronic racks and enclosures. It provides continuous thermal output in the range of 235–800 W, operates from 230 V with a maximum current of 6 A, and uses a quick-connect terminal for straightforward installation. The unit's dimensions (103 x 103 x 200 mm) and black/grey finish make it suitable for mounting inside industrial cabinets and control panels where reliable, even heating is required.

Advantages

The PTC element provides self-regulating heating performance across the specified power range, while the built-in fan promotes uniform air distribution. The compact housing reduces space requirements inside racks, and the quick-connect terminal simplifies electrical connection and replacement. Designed by Rittal, the heater matches common enclosure form factors and supports stable operation at 230 V.

Suitable for (tasks / use cases)

Key specifications

How to use

Mount the heater inside the enclosure according to Rittal's mounting points and orientation recommendations to ensure proper airflow. Connect the unit to a 230 V supply using the quick-connect terminal and observe the maximum current rating of 6 A. Allow sufficient clearance around the fan inlet and outlet for unobstructed air circulation. Verify that the enclosure's ventilation and any associated thermostats or controllers are configured to work with the heater's output.

Recommendations

Install the heater in a location that prevents direct contact with wiring or sensitive components, and follow applicable safety and grounding practices. For condensation control, operate the heater continuously or with a temperature controller set to the desired minimum temperature. Refer to Rittal installation instructions for torque values and detailed wiring diagrams.