Siemens 3RQ2000-1AW00 Coupling Relay

Siemens 3RQ2000-1AW00 is a SIRIUS coupling relay housed in an industrial enclosure that provides a single changeover contact for connecting a control circuit to a load. The coil operates over a wide voltage range of 24 V to 240 V AC or DC, enabling flexible use in mixed-signal automation systems. The unit uses screw terminals (AW00) for rugged wiring, and the module is 22.5 mm wide, designed for compact panel installation. The contact material is AgSnO2, delivering reliable switching in everyday industrial tasks. This model is part of the 3RQ2000 family of coupling relays; AW00 denotes the screw-terminal variant, with other versions offering different terminal types. Typical applications include interconnecting control logic with higher-current circuits in automation panels, machinery, and conveyor systems, where a single SPDT contact can route a signal or control a secondary circuit. The compact footprint and robust screw-term connections make it a practical choice for compact control cabinets in industrial environments.