The MWH300F-692 is a versatile dual-mode intelligent controller supporting both PID temperature control (thermocouple/RTD) and SCR process control (analog voltage/current). It features real-time 3-phase current/voltage monitoring, a bright dual-row digital display, and comprehensive safety protections including over-temperature, over-current cut-off, heater break/short alarm, and 3-phase unbalance detection. With RS-485 communication, PID auto-tuning, and a rugged industrial design, it ensures precise and reliable performance in harsh environments.

The MW30L series is a compact, high-performance three-phase SCR power regulator designed for precise control of electrical heating systems. With a current range from 25A to 350A, it is highly suitable for both resistive and inductive loads in various industrial applications.

1.Current rating options from 25A up to 350A to meet diverse industrial heating requirements.
2.Comprehensive universal analog input support including 0-5V, 0-10V, 0-20mA, and 4-20mA, along with 2 digital inputs and 1 digital output.
3.Flexible trigger modes featuring both phase angle firing and zero-cross firing control.
4.Advanced built-in protection functions including phase loss, overcurrent, overheating, overload, and load disconnection.
5.Standard RS-485 communication interface utilizing the Modbus-RTU protocol for seamless system integration.
6.Multiple control modes available: Constant Voltage (V), Constant Current (I), Constant Power (P), and Open-loop control.
7.Optional expansion modules available for temperature function and external display panel.

The MW30E series is an advanced, three-phase power regulator (current range: 25–1500A), Suitable for both resistive and inductive loads

1. Rating from 25A all the way up to 1500A
2. 0-5V/0-10V/0-20mA/4-20mA analog input, 3 digital inputs, 1 digital output, Modbus-RTU
3. Phase angle firing control mode or burst-firing mode configurable
4. Work with load on Star, Delta or Star with netural wire
5. Modbus RS-485 available as default,  other communication like profibus DP, Ethernet can be custom made
6. Different control mode, Constant Voltage (V) / Constant Current (I) / Constant Power (P)/Open-loop
7.100% load can be applied to the SCR according to the rating, for example, 100 amps rating SCR, you can apply 100 amps to phase current. there is no need to take the derating into consideration

● Three phase SCR power regulator
● Universal input, supports all analog input
● 24~440Vac load, cost effective
● From 25 amps to 200 amps
● Ideal for resistive load
● MS-3VD3825C,MS-3VD3840C,MS-3VD3860C
● MS-3VD3880C,MS-3VD38100C,MS-3VD38120C

SCR-51 series is a compact design cost effective three phase SCR power regulator, works perfectly for resistive load. With built-in heatsink and cooling fans.  Makes it very easy to use. Load option starts from 40 amps all the way up to 100 amps,  with a built-in overheat thermo protection to make your system always protected. Clear digital display for temperature and input/output indication.

- 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

The SCR-6 Series is a high-performance, three-phase intelligent digital power regulator designed for precise control of resistive loads in industrial heating applications. Featuring a compact design with an integrated heatsink and cooling fans, the SCR-6 offers a reliable and cost-effective solution for thermal process automation.

The Maxwell SCR-7 Series is an advanced, three-phase intelligent digital power regulator designed for precise and reliable control of resistive heating loads in industrial applications. Engineered with a fully integrated design, it combines the SCR module, high-efficiency heatsink, and cooling fans into a single, compact unit. The SCR-7 series features a comprehensive digital display for real-time monitoring of output ratio, temperature alarms, and phase status. With support for multiple analog input signals (including 4-20mA, 0-10VDC, and 0-5VDC) and optional RS-485 Modbus RTU communication, it seamlessly integrates into modern PLC and automated control systems. Built-in protective features such as soft start, auto phase detection, and over-temperature alarms ensure maximum safety and longevity for both the regulator and the connected load.

● Three phase SCR power regulator
● Universal input, supports all analog input
● 24~480Vac load
● 40amps,60amps,75amps optional
● Digital LED display
● Ideal for resistive application

Three-Phase Intelligent SCR Power Regulator