Siemens 3RH2140-1AD00 is a compact SIRIUS 3RH2 contactor relay with four normally open contacts and a 42 V AC control coil, all in the small S00 frame with screw-terminal connections. The main circuit is rated for up to 10 A and supports voltages up to 690 V AC, making it suitable for switching motors and other inductive loads in control panels. Designed for 50/60 Hz operation, this 3RH2 device is ideal for compact, reliable automation applications where space and performance matter.
