GCA221.1U | SR 120 VAC ON/OFF | Siemens Building Technology Used on_EI 55IN is designed to meet the

is designed to meet the electrical demands of NCB and COMBI systems

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GCA221.1U | SR 120 VAC ON/OFF | Siemens Building Technology Used on_EI 55IN is designed to meet theSR 120 VAC On Off Control Relay: GCA221. 1U by Siemens Building Technology The Siemens Building Technology GCA221. 1U is a versatile control relay designed for switching applications in industrial environments. With its robust construction, reliable operation, and user friendly design, this relay is ideal for controlling a wide range of electrical devices. The GCA221. 1U relay features a 120 VAC operating voltage and a single pole, single throw (SPST)