Timer relays are not a specific brand but a category of industrial control devices used for timing functions in electrical circuits. They are produced by various manufacturers globally, including companies like Siemens (Germany), Omron (Japan), and Schneider Electric (France). These relays are widely used in industries such as automation, HVAC, and machinery to control processes like motor start/stop, lighting, and equipment sequencing. Key products include on-delay, off-delay, and interval timer relays, available through industrial suppliers like Radwell and Grainger.