.webp "Single phase transformer fan speed regulator")
.webp "Transformer fan speed controller")
.webp "5-step AC fan speed controller")
.webp "1ph fan speed regulator")
.webp "5-step fan speed regulator")
EU declaration conformity
Transformer fan speed controller 16 A | Low to high
Product description
Single-phase motor transformer fan speed controller. The maximum current (combined) is 16 amps.
The rotary switch controls the AC fan speed, which ranges from low to high in 5 steps. There is also an OFF position on this rotary switch. The motor voltage is varied in 5 steps to control the motor speed. The perfect sinusoidal shape of the output voltage ensures quiet motor operation.
The enclosure provides IP54 protection against dirt, dust, and moisture ingress. It can be wall-mounted in indoor settings.
This 5-step speed controller is commonly used to control kitchen hood exhaust fans, ceiling fans, extraction fans, and other similar devices.
Additional specifications and description
Transformer-based controller
Transformers are primarily used to change voltage levels in electrical systems, stepping up or stepping down the voltage as required. Transformer-based control units have some great advantages in specific applications, such as noise reduction or simplicity of control. Another major advantage of transformer-based control units is speed control without electromagnetic excitation in the motors. What you get by a transformer fan speed controller is: silent motor operation, simple control in steps and a controller with a long service life at a reasonable price!
Use
5-step fan speed controllers are widely used in industrial kitchens, warehouses or industrial environments. They are often used as a simple control for regulating extractor hoods or exhaust fans. The fan speed can be increased from standstill to maximum speed in 5 steps. When connected, this controller can be used immediately. No configuration or programming is required. AC fan speed control made easy!
The control principle
This is a fan speed controller for single-phase motors. Via the built-in rotary switch, you can select one of the 5 speeds. Autotransformer technology is used to reduce the motor voltage and the fan speed in 5 steps. This speed controller is therefore only suitable for voltage controllable motors. If you are not sure whether your motor is voltage controllable, it is best to contact the motor manufacturer. Autotransformer technology is very reliable and robust. It generates a motor voltage with perfect sinusoidal shape. This results in exceptionally quiet motor operation and extended service life. A special impregnated coating reduces the electrical noise from the autotransformers.
Unregulated output
The extra, unregulated output (230 VAC) is active when the motor is enabled. Because this output is either ON (230 Volt) or OFF (0 Volt), it is called ‘unregulated output'. The maximum current of this output is 2 A. It is typically used to control an external run indicator, to open or close a damper, to switch an external relay, etc.
E.g. when the fan stops, the damper is closed. When the fan is active, the damper is open.
Rotary switch with built-in mechanical time delay
It is important to operate the rotary switch not too quickly. The switch has a built-in mechanical time delay. This is important to prevent internal sparking during shifting. It has a positive effect on the service life of the device. When the rotary switch is rotated from position faster than the built-in mechanical time delay, the device will remain internally at position 0 (OFF position).
Surface mount enclosure
Enclosures play an important role in protecting the interior components or contents from various external factors such as debris, dust, water, and mechanical impact. The quality of enclosures is indeed essential to ensure the integrity and safety of the enclosed items.
The STR-1 feature sheet steel enclosures designed to be resistant to external mechanical impacts. They can withstand accidental bumps, collisions, or other physical forces without compromising their structure or the items inside. This feature is particularly important in environments where there is a higher risk of such impacts, ensuring the protection of the enclosed components. The enclosures have a paint finish, which not only provides an aesthetic appeal but also serves as an extra layer of protection against corrosion and other environmental factors. The paint finish helps to enhance the durability and longevity of the enclosure. The EN 62208 certification ensures that the enclosures comply with the standards set for empty enclosures for low-voltage switchgear and control gear assemblies. The ingress protection rating of IP54 guarantees that the enclosures are designed to provide a high level of protection against dust and water ingress, they are effectively sealed against dust particles and can withstand water splashes from any direction, making them suitable for moderately harsh environments.
Remarks, reviews & ratings