solid-state relay


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solid-state relay

[′säl·əd ¦stāt ′rē‚lā]
(electronics)
A relay that uses only solid-state components, with no moving parts. Abbreviated SSR.
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In addition to advanced microprocessor technology, the EWTC comprises an indirect heat exchanger for process cooling, and solid-state relay controlled immersion heaters for quiet, reliable and fast operation.
By integrating a complete solid-state relay driver into a single, surface-mount package, DRDC3105 from Diodes Incorporated is said to minimize the PCB footprint, reduce the component count, and improve the reliability of inductive load-control circuits.
It features a PID temperature controller already connected to a high-amperage, solid-state relay, with the option of adding a properly sized heat sink, current measurement, over/under temperature limit, definite-purpose mechanical contactor, and digital communications.
Control action either a 5A relay, 4-20 mA current, or pulsed 24-VDC to drive a solid-state relay.
Both products are designed for interfacing a variety of real-world I/O, including industry standard solid-state relay (SSR) racks.
It offers an adjustable 4-20 mA analog output and two solid-state relay switches.
The LR1200480D40 is a DC-controlled, AC solid-state relay capable of controlling up to 40A at a line voltage of 480 VAC.
A MOSFET or IGBT will generally cost more as the output device in a solid-state relay than SCRS.
Each device accommodates up to eight type 8B isolated analog signal conditioning modules and eight solid-state relay modules.
A 50-pin header connects the module to industry standard solid-state relay racks to provide PC-based control of equipment including sensors, switches, security control systems and industrial automation systems.
It features a PIP temperature controller already connected to a high-amperage solid-state relay, with the option of adding a properly sized heat sink, current measurement, an over/under temperature limit, a definite purpose mechanical contactor, and digital communications in one package.
2-mm-wide interface, is available with a one-pole (SPDT) relay or one normally open solid-state relay and offers reduced space requirements and installation costs for a variety of high-density isolation and interposing applications.