Siemens 3RH2911-1MA11 Auxiliary Contact Block 1NO/1NC Front Mount

The Siemens 3RH2911-1MA11 is an auxiliary contact block designed for use with Siemens contactors and motor starters. This front-mounted auxiliary contact provides one normally open (1NO) and one normally closed (1NC) contact configuration, expanding the control capabilities of your electrical system.

Key Features:

• Contact configuration: 1 normally open (NO) + 1 normally closed (NC)
• Front-mounted design for easy installation and accessibility
• Bottom mounting orientation for compact installation
• Compatible with Siemens 3RH29 series contactors and relays
• Reliable performance for industrial control applications
• Complies with international electrical standards

This auxiliary contact block is ideal for expanding control circuits, signal conditioning, and interlocking applications in industrial automation systems. The front-mount design allows for simple installation without removing the contactor from the panel, reducing installation time and maintenance effort.