Product Description
Siemens 3RH1140-1BB40
The Siemens 3RH1140-1BB40 is a SIRIUS contactor relay designed for reliable switching of control and auxiliary circuits. Part of the 3RH1 series, this compact size S00 relay is engineered for high performance and durability in demanding industrial environments. It features four normally open (NO) contacts and operates with a 24V DC control supply voltage. The screw-type terminals ensure secure and straightforward connections, while its design allows for easy mounting on a standard 35 mm DIN rail. This device is an essential component for building robust and safe control systems.
Technical Specifications:
- Product Type: Contactor Relay
- Series: SIRIUS 3RH1
- Control Supply Voltage: 24 V DC
- Auxiliary Contacts: 4 NO (Normally Open)
- Size of Contactor: S00
- Terminal Type: Screw terminals

Siemens 3RH1140-1BB40
Siemens 3RH1140-1BB40 SIRIUS contactor relay, size S00, featuring 4 NO contacts and a 24V DC coil with screw terminals. Ideal for reliable control and auxiliary circuit applications.






