Overview
The Siemens 3RH7911-1FA22 is a high-quality, reliable auxiliary contact block designed to expand the functionality of Siemens SIRIUS 3RT contactors, specifically those of size S00. This essential component provides a secure and efficient way to add two normally open (2NO) and two normally closed (2NC) contacts to your electrical control circuits. Its 4-pole configuration and robust screw terminals ensure a safe, durable, and easy connection, making it ideal for a wide range of industrial motor control and automation applications.
Key Benefit
- Enhanced Control & Flexibility: Adds crucial signaling and interlocking capabilities to your contactor, allowing for complex control sequences and safety features.
- Seamless Integration: Specifically engineered to fit seamlessly with Siemens SIRIUS 3RT size S00 motor contactors, guaranteeing a perfect fit and reliable performance.
- Reliable & Durable: Built with the high-quality standards of Siemens, ensuring a long operational life and dependable performance in demanding industrial environments.
- Easy & Secure Installation: Features screw terminals for a straightforward, secure, and robust electrical connection.
- Space-Saving Design: A compact and efficient component that adds functionality without requiring significant additional space in your control panel.
Technical Specifications & Function
- Product Number: 3RH7911-1FA22
- Product Type: Auxiliary Contact Block
- Contact Configuration: 2 Normally Open (2NO) + 2 Normally Closed (2NC)
- Number of Poles: 4-pole
- Compatibility: Designed for Siemens SIRIUS 3RT motor contactors, size S00
- Connection Type: Screw terminals
- Mounting: Front mounting on the contactor
- Typical Applications: Used for signaling the state of the main contactor, interlocking circuits to prevent simultaneous operation of multiple devices, and for control logic in industrial automation systems.
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