The fan control box is primarily used to control the start and stop of fans, and can also be linked with fire dampers and other fire protection systems. It comes in single and dual power supply options, with direct and star-delta starting modes. Suitable for applications with three-phase rated voltage of 380V and frequency of 50Hz, it is ideal for frequent direct start and reverse operations, mainly for squirrel-cage motors below 45KW. For light load start-ups, a portable starter that can be controlled manually, automatically, or remotely is available. This product is compact, easy to install, simple to operate, and meets various fan start-up requirements.

The fan control box primarily controls the start and stop of the fan. It can operate in direct start and star-delta start modes. It is suitable for three-phase 380V, single-phase 220V, and 50Hz frequency. The control power varies based on the customer's fan selection. The control box can be made of ordinary steel plate or stainless steel, as per customer requirements. The exterior, dimensions, and protection grade requirements can be customized to meet customer needs. The internal design is completed according to industry standards and customer specifications, fully compliant with standards and industry norms. All components are of branded or customer-branded models, enabling manual and automatic switching control functions. It features automatic protection against overcurrent, phase loss, circuit breakage, overload, and power failure, providing reliable protection for the fan. Optional timing devices can be installed to switch to time control mode with a single button, running according to the set time program, or equipped with temperature control functionality to automatically control the fan using temperature. Additionally, our company customizes and installs switchboxes, pump boxes, lighting control boxes, power control boxes, temporary construction power boxes, meter boxes, power outlet boxes, and more.

Application Environment

1. Surrounding air temperature should not exceed +40℃ and not be lower than -5℃, with an average temperature of no more than +35℃ within 24 hours.

2. Relative humidity should not exceed 50% at high temperatures above +40°C, and higher relative humidity is permissible at lower temperatures, such as 90% at +20°C.

3. Air is clean, free of corrosive and explosive gases, and contains no sharp particles that conduct electricity or damage insulation.

4. In cases without significant swinging or impact vibration, the vertical installation tilt should not exceed 5 degrees.

5. Altitude not exceeding 2,000 meters.

6. The switch cabinets are suitable for transportation and storage at the following temperatures; -25℃ to +55℃, and temporarily (not exceeding 24 hours) up to +70℃.

7. If the user cannot meet the aforementioned conditions, they should negotiate with the manufacturer.

Technical Specifications

Rated Working Voltage: 380V / 220V

2. Rated Voltage of Auxiliary Circuit: AC 220V, 380V, DC 110V, 24V

3. Frequency: 50~(60) Hz

4. Rated Short-Time Current Withstand: 30kA/1S

5. Rated Peak Current: 50kA/0.1S

6. Enclosure Protection Rating: IP30, IP40

7. Busbar arrangement; three-phase five-wire system

8. Operation Modes: On-site, Remote, Automatic