TSSD4 : Helios Fans TSSD 4
Helios / (TSSD4)
| Code & Description | Price | |
|---|---|---|
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TSSD4 : Helios Fans TSSD 4
Note: £250.39 + VAT for new customers using 'WELCNFAN1' discount code!
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£294.58 + VAT £353.50 | |
We accept : 
15% discount with code ‘welcnfan1’
Note: Code can only be used once per customer. Discount codes are entered after selecting shipping method.
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The Helios TSSD 4 is a transformer-based speed control unit featuring two integrated transformers mounted on base runners, designed for V‑connection configurations. It is intended for installation inside a switch cabinet and is supplied without an external housing. The unit includes terminals for selecting between five voltage levels: 0, 80, 140, 280, and 400 volts. Operating at 50/60 Hz, the TSSD 4 provides accurate and efficient speed regulation for 3‑phase fans in enclosed control systems.