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 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 MS-1DA48 series is a high-performance, single-phase DC to AC solid state relay designed for reliable and efficient switching in demanding industrial environments. Featuring a wide control input range of 3.2–32VDC and a robust load voltage capacity of 24–480VAC, this panel-mount relay is engineered to seamlessly interface with microcontrollers, PLCs, and other low-voltage logic devices. It utilizes advanced zero-crossing trigger technology and incorporates a built-in RC snubber across all amperage ratings, ensuring noise-free operation and superior protection against transient voltage spikes. Housed in a compact, fire-retardant ABS enclosure and completely sealed with resin for maximum isolation, the MS-1DA4840 series guarantees exceptional durability and safety 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 PT100-8 is a probe-type Platinum Resistance Thermometer (PT100 RTD) distinguished by its adjustable insertion depth — a key feature that sets it apart from fixed-length sensors. A stainless steel compression fitting is integrated into the assembly, forming a liquid-tight or pressure-tight seal against the process wall while allowing the operator to slide and lock the probe at any desired insertion depth before or after installation. This eliminates the need to specify a fixed immersion length at the time of ordering and greatly simplifies retrofitting into existing equipment. The probe is constructed from 304 stainless steel and is available in diameters of 4 mm, 5 mm, and 6 mm. The lead cable is shielded with a metal braid and covered with PTFE insulation, delivering low noise, high mechanical strength, and excellent resistance to elevated temperatures. The PT100-8 is compatible with a wide range of process fittings — including NPT, BSP, and metric threads — and is available in a waterproof configuration, making it suitable for measuring the temperature of both air and liquids across diverse industrial environments.

This thermal controller offers some basic features with limited configuration options, it is for much less demanding application, despite it's cost-effective nature, still it offers Relay, SSR Drive and analog output, analog output being at the same price with the relay and SSR Drive output, maximum 2 alarms and heating+cooling control at the same time are possible, the alarm output can be used as a sub output to control a fan or valve in a system, TC/RTD and analog inputs compatible, 24VDC source and 85~265Vac source optional

The PT100-12 is a PT100 Platinum Resistance Thermometer featuring an adjustable compression fitting combined with a robust Form B aluminium connection box (connection head). This combination delivers two key advantages in a single assembly: the compression fitting allows the probe insertion depth to be set and locked at any position within the fitting stroke, eliminating the need for custom-length probes during installation; and the sealed connection box provides a weather-resistant, vibration-tolerant housing for field wiring that is well suited to demanding industrial environments. The sensor complies with EN 60751 and covers a temperature range of −70 °C to +300 °C, making it suitable for a wide spectrum of process and industrial applications. The stainless steel probe is available in three diameters — 4 mm, 5 mm, and 6 mm — and three standard lengths of 50 mm, 100 mm, and 150 mm, all of which can be customised to order. Adjustable process fittings are available in ½ NPT, ¼ NPT, and ¼ BSP thread forms, enabling direct installation into standard process pipework and vessels without adapters. The connection box accepts standard conduit entries, and the sensor ships without lead wire, with all field connections made inside the terminal block housed within the connection box.

PIDMaxWell MXR-M Rotary Dial Temperature Controller Featuring an intuitive rotary dial interface, this controller delivers high-precision temperature control without the need for complex menu navigation or programming. It offers selectable PID and ON/OFF control modes and clear LED status indicators, ensuring rapid response and stable process regulation across a wide voltage range of 100–240 VAC. Constructed from V-0 rated flame-retardant materials and designed for durability and safety in industrial environments, the MXR-M is an ideal choice for applications—such as machinery, packaging, laboratory equipment, and HVAC—that require a reliable and user-friendly temperature control solution.