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2000W 220V SCR Voltage Regulator Dimmers Speed Controller Thermostat

Specification	Details
Input Voltage	220V AC
Voltage Regulation	50V - 220V AC
Efficiency	>90%
Adjustment Type	Potentiometer

Price

🚚 Ships within 24 Hours
📦 Pan India Delivery

₹ 101.69

(Tax included)

Barcode: 897504

Product Description

The 2000W 220V SCR Voltage Regulator is a high-power electronic solution designed for adjusting the effective voltage of AC loads. Utilizing a Silicon Controlled Rectifier (SCR), this module clips the AC sine wave to vary the power delivered to the connected device. It is a versatile tool for dimming incandescent lamps, controlling the temperature of heating elements (like soldering irons or water heaters), and regulating the speed of AC brushed universal motors (found in drills and blenders). The board is engineered with thick copper traces and an integrated aluminum heatsink to manage the thermal demands of high-wattage operation.

Key Features

High Wattage Capacity: Capable of controlling resistive loads up to 2000W, making it suitable for industrial and domestic appliances.
Wide Regulation Range: Offers smooth, stepless adjustment from roughly 50V up to the full 220V input.
Dual-Directional SCR: Features a high-performance BTA series SCR designed to handle bidirectional AC current with high reliability.
Safety Isolation: The potentiometer is typically mounted with an insulating plastic cap to prevent accidental contact with live AC voltage during adjustment.
Integrated Heat Management: Equipped with a finned aluminum heatsink to dissipate heat from the SCR, ensuring stable performance during continuous use.

Technical Details

Load Type: Best suited for resistive loads (heaters/lamps) and universal brushed motors.
Capacitors: Includes high-voltage metal film capacitors for noise suppression and SCR protection.
Terminals: Large 4-pin screw terminals for secure input (AC) and output (Load) connections.

Prototyping and Engineering Tips from Robogears

The "Inductive Load" Rule: While rated for 2000W with resistive loads (like a heater), you should significantly de-rate the module when using inductive loads (like motors). For AC motors, we recommend not exceeding 500W–800W to account for high start-up currents and back-EMF.
Not for Brushless/Capacitor Motors: This regulator will not work with brushless AC motors, induction motors (like ceiling fans), or devices with electronic start-up circuits. Using it on these may result in a loud hum or motor failure.
Lethal Voltage Warning: CRITICAL: This entire module is "Hot" when plugged in. There is no galvanic isolation between the control circuit and the 220V AC mains. Never touch any part of the PCB, heatsink, or potentiometer shaft while the unit is connected to power. Always mount this inside a non-conductive plastic or earthed metal enclosure.
Minimum Load: Some SCR regulators require a minimum load (usually 10W–20W) to show a voltage change on a multimeter. If you measure the output without a load connected, you might see 220V regardless of the knob position.
Thermal Monitoring: If the heatsink becomes too hot to touch (above 70°C) during operation, you are likely overloading the module or need to add an external cooling fan to the enclosure.

Package Includes

1 x 2000W 220V SCR Voltage Regulator Module
1 x Potentiometer Knob

Disclaimer: This device involves lethal 220V AC electricity. Installation should only be performed by individuals with professional electrical knowledge. Robogears is not responsible for any injury or damage resulting from improper handling or lack of adequate insulation. Always use a fuse in series with the input for added protection.