Maximum power: 4000W (resistive load connected). Efficiency: more than 90%. There are slight difference between the picture and the real item caused by light brightness,hope you can understand.
eBay
Single-phase voltage regulator 220v household voltage regulator transformer 0-300v adjustable power supply STG-500W
Aliexpress UK
Max Power: 4000W. The inductive load is 1/3 of the resistive load. Input AC power, the output is also AC, not DC. With heat dissipation port for fast heat dissipation. No delay, anti-surge, anti-spike, RC absorption multiple protection.
eBay
AC 220V 4000W voltage regulator portable temperature speed adjustable voltage regulator compact variable voltage controller
Aliexpress UK
Max Power: 4000W. The inductive load is 1/3 of the resistive load. With heat dissipation port for fast heat dissipation. No delay, anti-surge, anti-spike, RC absorption multiple protection. Rated Current: 9A.
eBay
2000W/4000W 220V SCR Voltage Regulator Dimmer Motor Speed Controller Thermostat Hight Power Electronic Voltage Regulator Module
Aliexpress UK
Max Power: 4000W. With heat dissipation port for fast heat dissipation. The inductive load is 1/3 of the resistive load. No delay, anti-surge, anti-spike, RC absorption multiple protection.
eBay
2000W/4000W 220V SCR Voltage Regulator Dimmer Motor Speed Controller Thermostat Hight Power Electronic Voltage Regulator Module
Aliexpress UK
The tungsten lamp is 4000w, the heating type is 3000w, the electric tool is 2000w, and the fan type is 1500w. Max Power: 4000W. The inductive load is 1/3 of the resistive load. With heat dissipation port for fast heat dissipation.
eBay
1Pcs 2000W 220V SCR Voltage Regulator Dimmer Motor Speed Controller Thermostat Hight Power Electronic Voltage Regulator Module
Aliexpress UK
Max Power: 4000W. With heat dissipation port for fast heat dissipation. The inductive load is 1/3 of the resistive load. Input AC power, the output is also AC, not DC. No delay, anti-surge, anti-spike, RC absorption multiple protection.
eBay
1PCS 4000W AC 220V SCR Voltage Regulator Dimming Dimmers Electric Motor Speed Controller Thermostat Regulators
Aliexpress UK
With heat dissipation port for fast heat dissipation. The inductive load is 1/3 of the resistive load. Cell Phone Accessories. Health & Beauty. No delay, anti-surge, anti-spike, RC absorption multiple protection.
eBay
AC110-220V 10000W Voltage Regulator High-power Compact Dimming Speed Regulator Controller Temperature Regulation Transformer
Aliexpress UK
The inductive load is 1/3 of the resistive load. Input AC power, the output is also AC, not DC. With heat dissipation port for fast heat dissipation. No delay, anti-surge, anti-spike, RC absorption multiple protection.
eBay
2000W 4000W 5000W 220V SCR Voltage Regulator Dimmer Motor Speed Controller Thermostat Hight Power Electronic Regulators Module
Aliexpress UK