Description
The Siemens 3RH2911-1MA11 is a front-mounted auxiliary contact block designed to expand the switching capability of compatible Siemens contactors and motor starters. Featuring a 1NO/1NC (one normally open, one normally closed) contact configuration, this bottom-mount accessory provides reliable status signaling, interlocking, and control circuit feedback in industrial and commercial HVAC electrical systems.
Key Features
- 1NO/1NC contact configuration for versatile switching and interlocking applications
- Front-mount, bottom-mount design for easy installation on compatible Siemens contactors and starters
- Compact, snap-on assembly for quick field installation without additional tools
- Designed for use with Siemens 3RH and 3RT series contactors and motor starters
- Supports control circuit feedback, status indication, and auxiliary switching functions
- Durable construction suitable for demanding industrial and commercial environments
Applications
- HVAC motor starter and contactor auxiliary switching
- Control panel interlocking and status signaling
- Commercial and industrial electrical control systems
- Building automation and motor protection circuits
Product Specifications
- SKU: 3RH2911-1MA11
- Brand: Siemens
- Contact Configuration: 1NO / 1NC
- Mounting Style: Front, Bottom Mount
- Compatible Series: Siemens 3RH / 3RT Contactors and Starters
