
| Model | Input / Output Phase |
|---|---|
| CVSD-075-11 | 1 in / 1 out |
| CVSD-075-33 | 3 in / 3 out |
| CVSD-110-11 | 1 in / 1 out |
| CVSD-220-13 | 1 in / 3 out |
| CVSD-220-33 | 3 in / 3 out |
| CVSD-400-33 | 3 in / 3 out |
| CVSD-550-33 | 3 in / 3 out |
Whisper-Quiet Operation: Reduce fan air flow volume with precisely controlling the motor speed. Lower speeds translate to quieter operation, creating a more comfortable environment, particularly valuable in noise-sensitive commercial spaces.
Extended Equipment Lifespan: By eliminating the harsh starts and stops associated with traditional motor control, the VSD provides a “soft start” function. This reduces mechanical stress on the fan motor and connected components, contributing to a longer lifespan and lower maintenance costs.
Optimised System Efficiency: Beyond energy savings, Cyclo’s VSD allows for adjustments to airflow, ensuring canopy systems operate at their ideal capacity. This prevents overventilation and contributes to a more stable and efficient overall system performance.
Built to conquer harsh environments: IP66-rated VSDs are the ultimate choice for applications exposed to water, oil and outside installations.
Features
Precise Digital Adjustment: The non-switched model uses a clean push-button interface to fine-tune motor speed, giving the user accurate control over airflow when system balance is critical.
Built for Demanding Environments: Confirmed for IP66/NEMA 4X outdoor use, the enclosure is fully washdown ready and resistant to water, dust, oil, and UV exposure. This makes it suitable for installations on rooftops, in high-working commercial kitchens, or in other exposed locations where durability is essential.
System Ready and Protected: The non-switched model is well suited to secondary operation in master–slave configurations, providing reliable support where multiple fans are controlled together. All versions include inbuilt thermal overload protection, safeguarding motors against overheating and ensuring dependable performance over extended duty cycles.
Features

| Model | Input / Output Phase |
|---|---|
| CVSD-075-11(NS) | 1 in / 1 out |
| CVSD-075-33(NS) | 3 in / 3 out |
| CVSD-110-33(NS) | 3 in / 3 out |
| CVSD-220-13(NS) | 1 in / 3 out |
| CVSD-220-33(NS) | 3 in / 3 out |
| CVSD-400-33(NS) | 3 in / 3 out |
| CVSD-550-33(NS) | 3 in / 3 out |

| Model | Input / Output Phase |
|---|---|
| CVSD-075-11(IP20) | 1 in / 1 out |
| CVSD-075-33(IP20) | 3 in / 3 out |
| CVSD-220-13(IP20) | 1 in / 3 out |
| CVSD-220-33(IP20) | 3 in / 3 out |
| CVSD-400-33(IP20) | 3 in / 3 out |
Reliable and Efficient: Despite its compact size, the IP20 delivers smooth acceleration, soft start, and stable low-speed operation, helping extend motor life and maintain energy efficiency.
Compact Indoor Performer: Provides precise motor control in a lightweight format and is best suited to clean indoor environments such as control panels or roof spaces.
Smart System Integration: With digital adjustment, thermal overload protection, and the option for remote switch operation, this model offers flexibility for installers and the user while keeping project costs competitive. This model must be installed in a suitable enclosure to ensure protection against dust, moisture and other airborne contaminants.
Shown: White model. Available colours may vary.
Features
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