The HELI TSD3.0 transformer speed controller from Helios is a powerful electronic accessory specifically designed for the precise control of the speed of three-phase fans. With a maximum current of 3.0 A and an operating voltage of up to 400 V, this device allows for flexible adjustment of fan speed through voltage reduction. The speed controller offers several selectable voltages (0/80/140/200/280/400 volts), enabling individual customization for various applications. The robust housing with an IP 54 protection rating ensures high resistance to dust and splashes, allowing the transformer speed controller to be used in demanding environments. With a frequency of 50/60 Hz, the HELI TSD3.0 is versatile and suitable for a wide range of applications in industry and commerce.

• Maximum current of 3.0 A for reliable performance
• Selectable voltages from 0 to 400 volts for flexible control
• Robust housing with IP 54 protection rating for increased durability
• Suitable for use with various three-phase fans.