Overview: Siemens 3RH2911-1GA40 Auxiliary Switch
The Siemens 3RH2911-1GA40 is a high-performance, front-mounting auxiliary switch designed to expand the functionality of Siemens 3RH2140 and 3RH2440 contactor relays. This essential component provides a reliable solution for a wide range of control and signaling applications in industrial and commercial settings. Featuring four (4) Normally Open (NO) contacts, it allows for seamless integration into your existing electrical systems, providing critical feedback and control signals.
Key Features & Benefit
- Expanded Functionality: Adds four Normally Open (NO) contacts to your contactor relay, significantly increasing the number of available control points.
- Easy Front Mounting: Designed for quick and secure installation directly on the front of the compatible contactor relay, saving time and panel space.
- Reliable Screw Terminals: Equipped with robust screw terminals (53/54, 63/64, 73/74, 83/84) for a secure and durable electrical connection.
- Physical Coding: Features a physically coded design to prevent incorrect mounting, ensuring safe and reliable operation.
- Seamless Compatibility: Specifically engineered to work exclusively with Siemens 3RH2140 and 3RH2440 contactor relays, guaranteeing optimal performance and a perfect fit (according to EN 50011).
- High-Quality Construction: Manufactured by Siemens, a global leader in industrial automation, ensuring superior quality, longevity, and performance.
Technical Specification
- Product Number: 3RH2911-1GA40
- Product Type: Auxiliary Switch
- Mounting: Front-mount
- Number of Contacts: 4 NO (Normally Open)
- Contact Terminals: Screw Terminals
- Current Path: 1 NO, 1 NO, 1 NO, 1 NO
- Terminal Designations: 53/54, 63/64, 73/74, 83/84
- Compatibility: Only with Siemens 3RH2140 and 3RH2440 Contactor Relays
- Standard: According to EN 50011
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