DC Input AC Load 3 Phase Solid State Relays

● Three phase solid state relay● 5-32Vdc input● 24~480Vac load● only available with 10/25/40 amps● Zero-crossing trigger● For resistive load only

● Three phase solid state relay● 90~280Vac Input● 24~480Vac load● From 10 amps up to 200 amps● Zero-crossing trigger

The MaxWell MS-3DA4880 is a heavy-duty 80A Three-Phase Solid State Relay (DC to AC), designed for reliable control of 24-680VAC loads. This ready-to-use kit comes fully pre-assembled with a customized heavy-duty aluminum heatsink and a high-velocity cooling fan, ensuring optimal thermal management and continuous operation under heavy loads. Featuring advanced Back-to-Back SCR technology, Zero-Crossing switching, and a built-in RC snubber circuit, it delivers superior surge protection, minimal EMI, and long-term stability. Ideal for industrial heaters, HVAC systems, and plastic machinery, it is CE certified, fully resin-sealed for 3500V high isolation, and engineered for plug-and-play safety and performance.

REX C100, C400, C700, C900 is a very popular controller on the markets, comes with relay or SSR Drive output, with 1 alarm and works on wide range of power supply, works with thermocuple and RTD inputs despite the cost being very competetive.

- 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

- 68mm housing solid shaft optical rotary encoder- 10mm, 15mm  shaft size, size of the shaft customizable- External diameter 68mm, two different types of mounting arrangement.- heavy duty, light weight, easy for installation, great for CNC machine, elevators etc- Resolution up to 5400 PPR - 5-30VDC source, please specify the voltage while order with us- Aluminum housing, cable side entry or rear entry selectableZ- Standard cable length is 2 meters, cable length can be custom made  

  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 1500A2. 0-5V/0-10V/0-20mA/4-20mA analog input, 3 digital inputs, 1 digital output, Modbus-RTU3. Phase angle firing control mode or burst-firing mode configurable4. Work with load on Star, Delta or Star with netural wire5. Modbus RS-485 available as default,  other communication like profibus DP, Ethernet can be custom made6. Different control mode, Constant Voltage (V) / Constant Current (I) / Constant Power (P)/Open-loop7.100% 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