Siemens 3RH1140-1BB40

Overview

The Siemens 3RH1140-1BB40 SIRIUS Contactor Relay is a robust and reliable solution designed for precise control within industrial automation environments. Engineered with 4 Normally Open (NO) contacts and a 24V DC coil, this contactor relay ensures dependable operation across a wide array of control circuits. Its user-friendly screw terminal connections guarantee straightforward installation and secure wiring, while the compact Size S00 design facilitates seamless, space-saving integration into crowded control panels. This unit is built to withstand demanding industrial conditions, providing a foundation for efficient and safe system management. Although the 3RH1140-1BB40 has been phased out, its legacy for quality and performance continues, with the Siemens SIRIUS 3RH2140-1BB40 serving as an advanced successor.

Key Features

• Versatile 4 Normally Open (NO) Contacts: Offers extensive control options, making it adaptable for diverse industrial applications and complex circuit configurations.
• Optimized 24V DC Coil Voltage: Ensures broad compatibility with standard industrial control systems, enabling seamless integration and reliable operation.
• Secure Screw Terminal Connections: Provides quick, easy, and secure wiring, significantly reducing installation time and enhancing connection integrity.
• Compact Size S00 Design: Maximizes space utilization within control cabinets, allowing for more efficient panel layouts and installations, especially in restricted areas.
• High 690V Insulation Voltage: Guarantees exceptional electrical safety and durability, making it suitable for operation in robust and demanding industrial settings.
• Reliable IP20 Front Protection: Offers a degree of protection against solid objects, ensuring the relay's longevity and consistent performance in industrial environments.
• Exceptional Mechanical Durability: Engineered for high endurance, promising reliable long-term operation and a reduced need for frequent maintenance or replacements.

Technical Specifications

The Siemens 3RH1140-1BB40 boasts a set of specifications that underline its capability as a dependable component in industrial control:

• Product Type: Contactor Relay
• Part Number: 3RH1140-1BB40
• Contact Configuration: 4 Normally Open (NO)
• Coil Voltage: 24 V DC
• Connection Type: Screw Terminals
• Size: S00
• Insulation Voltage: 690 V
• Protection Rating: IP20 (front)
• Mechanical Durability: High endurance for reliable long-term operation.

Applications

The Siemens 3RH1140-1BB40, with its robust design and flexible contact configuration, is well-suited for a variety of critical control applications:

• Industrial Automation Systems: Essential for efficient control, monitoring, and sequencing of machinery and complex industrial processes.
• Motor Control Circuits: Provides reliable switching for starting, stopping, and regulating industrial motors, ensuring smooth operation.
• Advanced Lighting Systems: Ideal for managing and automating commercial and industrial lighting infrastructures, enhancing energy efficiency and control.
• General-Purpose Switching: Its versatile nature makes it an excellent choice for various general control applications across different sectors.
• HVAC and Building Management: Can be integrated into heating, ventilation, and air conditioning systems, as well as broader building management systems for automated control.

Why Choose This Model?

• Proven Siemens Quality: Benefit from the renowned reliability and engineering excellence associated with the Siemens brand in industrial control.
• Dependable Performance: The 4 NO contacts and 24V DC coil ensure consistent and reliable operation for your critical control circuits.
• Ease of Installation: Screw terminals provide a straightforward and secure wiring process, saving valuable installation time.
• Space-Saving Design: Its compact S00 size allows for efficient panel design and integration, optimizing available space in control cabinets.
• Robust for Industrial Environments: High insulation voltage and IP20 protection ensure durability and safe operation in demanding industrial settings.
• Foundation for Upgrade: While superseded, understanding this model provides a solid basis for transitioning to the enhanced capabilities of the SIRIUS 3RH2140-1BB40.

Order Now

Although the Siemens 3RH1140-1BB40 has reached its end-of-life, exploring its features offers valuable insight into the quality design that characterizes Siemens industrial components. For current projects requiring similar functionality with enhanced features, we highly recommend considering its direct successor, the SIRIUS 3RH2140-1BB40. This successor model is engineered to meet modern industrial demands, offering improved performance and compatibility. Contact us today to discuss your specific requirements and find the perfect Siemens solution for your industrial control needs.