Feature:1. Multifunctional Circuit: Integrate 3 phase electrical phase detection, phase shift circuit, trigger circuit, and 3 sets of anti parallel thyristor in one, no need external synchronous transformer.2. Convenient Adjustment: Support 05vdc, 010vdc, 420mA signal automatic control or 10K potentiometer manual control, which can realize the stepless adjustment of the 3 phase load voltage from 0V to the grid full voltage.3. Powerful Functions: Has the characteristics of input and output photoelectric isolation, phase shifting voltage regulation circuit and main circuit integration, high control power, stepless adjustment, high insulation voltage, etc.4. Automatic and Manual Control: The change in the input voltage can be used to realize the automatic control of the output load power, and the potentiometer can be used to manually adjust the output power.5. Wider Applications: The voltage regulator can be used in industrial control, lighting, transformer primary side voltage regulation and other equipment for temperature, dimming, voltage regulation controls.Specification:Item Type: Solid State RegulatorExternal Power Supply: No needManual Control: 10K potentiometerAnalog Control: 4-20ma, 0-5V, 0-10VLED Display: YesMinimum Conduction Current: > 50mAOff State Leakage Current: < 10mAFrequency Range: 45-65HzTurn On Time: 10msTurn Off Time: 10msWorking Environment Temperature: -35~75.Package List:1 x Voltage Regulator1 x Protective CoverNote:The resistive load is more than 2.5 times, and inductive load is more than 4 times. Use with a radiator!