Siemens SIRIUS 3RH2140-2FB40 auxiliary contactor / control relay with 24 V DC coil and 4 normally-open contacts, suitable for use as a control relay or for switching auxiliary circuits in industrial panels. This unit is in good used condition and comes with pre-installed blue wiring on the spring-clamp terminals as shown in the photos.
Brand: Siemens SIRIUS
Model / Part No.: 3RH2140-2FB40
Type: IEC control relay / auxiliary contactor, frame size S00
Contact configuration: 4 x normally open (4NO) main contacts
Coil voltage: 24 V DC with integrated diode combination for coil protection
Rated operational current: up to 10 A (AC) depending on utilization category (see label/datasheet for full details)
Rated operational voltage: up to 690 V AC (check label for exact ratings and categories)
Terminals: Spring-loaded terminals (push-in / screwless) for quick wiring
Standards and approvals: IEC 60947 series, UL/CSA approvals as printed on the label (see photos for complete marking list)
Country of manufacture: Made in Germany (printed on label)
Used, removed from a working installation; sold as a single relay assembly as pictured
Normal cosmetic wear from use, including light scratches, marks and slight discoloration on housing
All terminal markings remain legible; manufacturer label intact with readable ratings
Pre-wired with multiple blue conductors on NO and coil terminals; ends are cut/stripped from previous panel wiring
No original packaging, mounting accessories, or documentation included
Ideal as a replacement Siemens SIRIUS 3RH2 control relay for control panels, machine builders or maintenance spares; buyer should verify compatibility with their control voltage, contact configuration and load ratings before purchase.
Please review all photos carefully to confirm terminal layout, wiring, and condition; if critical, consult the official Siemens data sheet for 3RH2140-2FB40 for detailed technical data and application notes.
