4000W SCR Voltage Regulator & Speed Controller

4000W SCR Voltage Regulator & Speed Controller

The 4000W SCR Voltage Regulator and Speed Controller is a high-power AC control device designed for precise regulation of voltage, speed, and temperature in a wide range of industrial and domestic applications. Built with a high-quality Silicon Controlled Rectifier (SCR), it delivers smooth, stable, and efficient power control even under heavy loads.

This controller allows accurate adjustment of output voltage from 0–220V AC, making it ideal for controlling motor speed, heater temperature, light intensity, and fan speed. Its robust heat-sink design ensures reliable performance, extended service life, and safe operation during continuous high-power usage.

Perfect for workshops, automation systems, and testing labs, the 4000W SCR regulator provides dependable control with easy installation and user-friendly operation.

Key Features

• High power capacity up to 4000W

• Smooth and stable AC voltage regulation

• Suitable for speed, temperature, and power control

• Heavy-duty SCR with efficient heat dissipation

• Easy knob control for precise adjustments

• Durable design for long-term industrial use

Applications

• AC motor speed control

• Electric heater and temperature control

• Fan and light dimmer control

• Industrial machinery and test equipment

• DIY electronics and automation projects

Technical Specifications

• Rated Power: 4000W

• Input Voltage: AC 220V (50/60Hz)

• Output Voltage: 0–220V AC (adjustable)

• Control Type: SCR phase control

• Cooling: Aluminum heat sink