High Accuracy Multi Input SCR Power Regulator

● Single phase high accuracy SCR● Support all kinds of analog signal● 220Vac or 380Vac load● From 40 amps up to 200 amps● Phase angle firing control

  The Maxwell MS-1VD2238 Series is a highly cost-effective, high-accuracy single-phase isolated SCR power regulator designed for precise phase angle control. Featuring a versatile multi-input design, this advanced thyristor module simultaneously supports 0-5Vdc, 0-10Vdc, 4-20mA, and potentiometer control signals without requiring hardware modifications. Engineered with optical isolation between the input and output circuits, it ensures maximum operational safety and signal integrity. Available in a wide current range from 10A to 200A for both 220Vac and 380Vac loads, the MS-1VD2238 series incorporates a built-in soft start circuit and an internal buffer (snubber) to protect against voltage surges. Housed in a durable, fire-retardant enclosure with resin sealing, this panel-mounted regulator is the ideal solution for controlling resistive heating elements in demanding industrial environments.

● Single phase high accuracy SCR● 0-10V/4-20mA/0-5V/Potentiometer input● 220Vac or 380Vac load● From 40 amps up to 200 amps● Phase angle firing control

● Potentiometer input SCR● 500K, 1000K potentiometer● 24~480Vac load● From 10 amps up to 120 amps● 500K for 220Vac● 1000K for 480Vac

● Analog input single phase SCR● 0-10Vdc, 4-20mA input● 220VAC, 380Vac load● From 10 amps up to 120 amps● Phase firing control mode

The Maxwell SCR20CA Series is a highly integrated, single-phase AC power controller designed for advanced feedback control and precise voltage regulation. Built around a high-power thyristor (SCR) chip, this compact unit incorporates a digital phase-shift control circuit alongside highly accurate output voltage and current measurement systems. A standout feature of the SCR20CA is its multi-functionality: users can seamlessly switch between constant voltage, constant current, and constant power control modes directly via the digital panel or communication interface. Equipped with true RMS sampling and a fully isolated measurement system, it ensures safe and reliable operation. With built-in RS-485 Modbus RTU communication, pluggable control terminals, and comprehensive protection mechanisms, the SCR20CA is an ideal solution for modern, automated industrial heating and power control applications.

The Maxwell SCR-480H Series is a compact and highly reliable single-phase AC voltage regulator module designed for precise phase angle control. Utilizing a 0-10VDC analog input signal, this module allows for smooth, stepless adjustment of AC load voltage up to 480VAC. Engineered with advanced zero-crossing detection and optocoupler isolation, it ensures safe and interference-free operation between the low-voltage control circuit and the high-voltage power circuit. Available in a wide range of current ratings from 25A to 120A, the SCR-480H features a robust, space-saving design with pluggable terminal blocks for effortless wiring and maintenance. When paired with Maxwell's dedicated heatsinks, it delivers exceptional thermal performance, making it an ideal open-loop power control solution for both resistive and inductive industrial loads.

- Three phase SCR power regulator- 0-10V,4-20mA,0-5V,potentiometer input- 24~480Vac load- 40amps,60amps,75amps,100amps- Digital LED display- Ideal for resistive application