Features 1、Multifunctional Circuit: Integrates single phase electrical phase detection, phase shifting circuit, trigger circuit and one anti parallel thyristor in one, no external synchronous transformer is required. 2、Stepless Adjustment: 0‑5vdc, 0‑10vdc, 4‑20mA signal automatic control or 10K potentiometer for manual control, which can realize stepless adjustment of single phase load voltage from 0V to the grid full voltage. 3、Good Performance: Input and output photoelectric isolation, phase shifting voltage regulation circuit and the main circuit are integrated, with high control power, stepless regulation and high insulation voltage. 4、Automatic and Manual Control: Can use the change of the input voltage to realize the automatic control of the output load power, and the potentiometer can also be used to manually adjust the output power. 5、Wide Range of Applications: Used in industrial electric furnaces, electric ovens, lighting, transformer primary side voltage regulation and other equipment for temperature, dimming, voltage regulation controls. Specification Item Type: Solid State Regulator Product Model: SSR-200WA-H Rated Current: 200A External Power Supply: No need Manual Control: 10K potentiometer Analog Control: 4-20ma, 0-5V, 0-10V LED Display: Yes Minimum Conduction Current: > 50mA Off State Leakage Current: < 10mA Frequency Range: 45-65Hz Turn On Time: 10ms Turn Off Time: 10ms Working Environment Temperature: -35℃~75℃ Package List 1 x Voltage Regulator with Radiator 1 x Protective Cover