SCR Voltage Regulator: Achieve precise control with this integrated single-phase module. Features include: Integrated design: Combines phase detection, phase shift circuit, trigger circuit, and unidirectional antiparallel thyristor. Stepless Adjustment: Offers 0-5VDC, 0-10VDC, and 4-20mA signal control for seamless voltage adjustment from 0V to full grid voltage. Photoelectric Isolation: Ensures input and output isolation for enhanced safety and reliability. Automatic or Manual Control: Easily switch between automatic load power control via input voltage or manual adjustment with an external potentiometer. Wide Application: Ideal for industrial electric furnaces, lighting, transformer primary-side voltage regulation, and other temperature or light or voltage control applications. Specifications: Input Parameters: No external power supply needed 10K potentiometer for manual control 4-20mA, 0-5V, 0-10V analog quantity control LED display. Output Parameters: Minimum conduction current >50mA Off-state leakage current <10mA Frequency range: 45-65Hz Turn-on time: 10ms Turn-off time: 10ms Operating environment temperature: -35-75. Package Includes: 1 x Voltage Regulator, 1 x Protective Cover. Note: Use with a matching heat sink. Resistive load >2.5 times, inductive load >4 times.