Description
The Siemens 3RH1140-1BB40 is a 4-pole contactor relay designed for reliable switching of auxiliary circuits in industrial automation systems. Featuring 4 normally open (4NO) contacts and a 24 VDC coil, it is suitable for diverse control applications, ensuring dependable operation in various industries.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Siemens |
| Category |
|
| Part Number |
3RH1140-1BB40
|
| Subcategory |
Contactor |
| Contact Configuration |
4 Normally Open (4NO) |
| Coil Voltage |
24 VDC |
| Rated Current |
10 Amps |
| Rated Voltage |
690 VAC |
| Terminal Type |
Screw Terminal |
| Size |
S00 |
| Product Line |
SIRIUS 3RH1 Series |
| Application |
Auxiliary Circuit Switching |
| Standards Compliance |
CE, CCC, UL, CSA |
| Weight |
0.55 lbs |
Information About 3RH1140-1BB40
The 3RH1140-1BB40 contactor relay, part of the SIRIUS line, is designed with a 24 VDC coil voltage and supports switching capacities up to 10 Amps at 690 VAC, making it highly versatile for controlling auxiliary loads, signaling circuits, and interlocking functions. The device features a compact size S00 footprint with screw terminal connections for straightforward installation and secure wiring. Although this product has been phased out, it has a recommended successor: Siemens SIRIUS 3RH2140-1BB40, which offers enhanced performance and modern features for continued reliable operation in industrial control panels.
Key Features:
- 4 Normally Open (4NO) Contacts: Allows simultaneous switching of four independent circuits, enhancing design flexibility in control systems.
- DC Coil Voltage: Operates at 24 VDC, suitable for industrial automation and control systems where low-voltage DC power is commonly used.
- High Switching Capacity: Handles up to 10 Amps at 690 VAC, supporting a wide range of auxiliary switching applications.
- Compact Size (S00): Space-efficient design simplifies integration into control cabinets, saving valuable panel space.
- Screw Terminal Connections: Provides secure and vibration-resistant wiring, ensuring reliable operation in harsh industrial environments.
- Robust Construction: Built to Siemens' high-quality standards for durability and consistent performance under demanding operating conditions.
- Versatile Application: Ideal for switching control signals, interlocks, signaling, and other auxiliary functions in industrial systems.
- Global Standards Compliance: Conforms to international industrial standards, ensuring safe and reliable use in global installations.
The 3RH1140-1BB40 provides reliable switching performance for control circuits, while the recommended successor ensures ongoing support and modernized features for future-proofing your control system.
