Ⅰ. Application: 4000W motor fan, replaceable thyristor electronic voltage regulator. Adopts metal shell structure, high temperature resistance, flame retardant, not easy to rust. The core chip uses high-power thyristor with adjustable knob for stepless voltage regulation, RC absorption protection. With universal power socket and power supply lamp. With heat dissipation port for heat dissipation. Ⅱ. Name: Voltage Regulator Ⅲ. Model: D83425 Ⅳ. Input voltage: AC 220V Ⅴ. Output voltage: 0~220V (Adjustable) Ⅵ. Adjustable voltage range: 0~220V Ⅶ. Current: 18A Ⅷ. Plug type: EU plug, applicable to Indonesia, Germany, France, Spain, Italy, etc. Ⅸ. Color: Black Ⅹ. Material: ABS+Electronic components Ⅺ. Size: 115 x 10 x 83mm Ⅻ. Package Contents: 1 x Voltage Regulator. Only the above package contents, other products are not included. Due to the actual situation, the measurement allowed error is +/- 1-3cm. ⅩⅢ. Application: 4000W motor fan, replaceable thyristor electronic voltage regulator. Adopts metal body structure, high temperature resistance, flame retardant, not easy to rust. The core chip uses a high-power thyristor with an adjustable knob for stepless voltage regulation, RC absorption protection. With universal power socket and power supply lamp. With heat dissipation port for heat dissipation. ⅩⅣ. Name: Voltage Regulator ⅩⅤ. Model: D83425 ⅩⅥ. Input Voltage: AC 220V ⅩⅦ. Output Voltage: 0~220V (Adjustable) ⅩⅧ. Adjustable Voltage Range: 0~220V ⅩⅨ. Current: 18A ⅩⅩ. Plug Type: EU Plug, applicable to Indonesia, Germany, France, Spain, Italy, etc. ⅩⅪ. Color: Black ⅩⅫ. Material: ABS+Electronic Components ⅩⅩⅢ. Size: 115 x 10 x 83mm ⅩⅩⅣ. Package Contents: 1 x Voltage Regulator. The above package contents only, other products are not included. Due to the actual situation, the measurement allowed error is +/- 1-3 cm.