Three phase DC input AC load SSR for resistive load

● Three phase solid state relay● 3-32Vdc input● 24~480Vac load● From 10 amps up to 200 amps● Zero-crossing trigger

● 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.

● MW-DE-50● Size:50mm*94mm*80mm● Heatsink for 80A/100A/120A SSR● Panel mount and Din rail mount with clamps● Aluminum heatsink● For single phase SSR

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.

  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.    

● Cooling fans● 12cm*12cm or 8cm*8cm● Sleeve bearing fans● 220Vac or 110Vac

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.