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.

PIDMaxwell TT-515 Din Rail Temperature Transmitter features universal input for RTD (PT100, Cu50, Cu100) and thermocouples (K, J, E, T, S, R, B, N), delivering a standard 2-wire 4-20mA output. It offers 0.1% F.S accuracy for RTD and 0.2% F.S for TC, with built-in cold junction compensation and surge protection. Configure via PC software or Android app—USB powered setup means no external 24VDC supply is needed. Compact DIN rail mounting, wide -40°C to +80°C operating range, ideal for industrial process control, HVAC, power generation, and more.  

Simple but accurate 3 digits display, for application less than 1000 degree C or F, Thermocouple and RTD input to accommodate most of applications, touch button which do not wear out over time, perfect for demanding situation, advanced control algorithm to achieve perfect control accuracy with limited overshoot and undershoot, 3 years warranty, relay and SSR Drive output on the same device, large and high visibility LED display, two options on the display, white+green or red +yellow, Simple and easy to use is the concept of this controller, very limited parameters to reduce the workload on configuration. CE and ROHS compliant.

Maxwell DR04E is a din rail mount 4 input 4 relay outputs I/O modules, input can be dry contact or NPN input, 4 relay output can be controlled from master device like HMI or PLC, the input work independently apart from output, or the input can be programmed to work correlated with the output. 8 channel of timer incorporated.

The Maxwell MS-1AA4840 series is a robust and highly reliable single-phase AC to AC solid state relay engineered for demanding industrial control applications. Designed with a wide control input range of 90–280VAC and a versatile load voltage capacity of 24–480VAC, this panel-mount relay ensures seamless integration into diverse electrical systems operating at 50/60Hz. It features advanced zero-crossing trigger technology and a built-in RC snubber across all amperage ratings, providing exceptional protection against transient voltage spikes and ensuring noise-free, fast-response operation. Housed in a compact, fire-retardant ABS enclosure and completely sealed with resin for maximum isolation, the MS-1AA4840 series guarantees long-lasting performance in harsh environments. With load current options ranging from 10A to 120A, it is the ideal solution for precise control in heating systems, plastic machinery, HVAC, and various automated industrial processes. All models comply with CE, CCC, and RoHS standards.

The PIDMaxWell Stainless Steel Thermowell is the ideal protection solution for your temperature sensors. Manufactured from premium SS304, SS316, or SS316L, it is designed to withstand harsh, high-pressure, and corrosive industrial environments. Featuring a practical dual-thread design, the outer thread (1/2" NPT, BSP, or G) ensures secure pipeline mounting, while the inner thread allows for easy sensor insertion, replacement, and calibration without system shutdown. Both the stem diameter and insertion length are fully customizable to perfectly match your specific PT100 or thermocouple applications.