The HELI MWS10 transformer speed controller is a versatile electronic accessory specifically designed for controlling fans. With a maximum current of 10A and an IP54 protection rating, this device is suitable for both indoor and protected outdoor use. The speed controller allows for precise adjustment of fan speed in five levels and can be connected to thermal contacts wired on a terminal board. An integrated tripping device provides additional safety, while a control light indicates the operational status. In case of malfunctions, the device can be reset to operation via the 0 position, making it user-friendly. The transformer speed controller is housed in a robust plastic casing and is suitable for ambient temperatures of up to 40 °C.

• Five levels for fan speed control
• Integrated tripping device for additional safety
• Reset to operation after malfunction via 0 position
• Switchable voltages from 0 to 230 volts.