Siemens 3RH2911-1DA11 Side Mounted Auxiliary Contact Block 1NO/1NC

The Siemens 3RH2911-1DA11 is a side-mounted auxiliary contact block designed for use with Siemens SIRIUS 3RH contactors and relays. This compact add-on module provides one normally open (1NO) and one normally closed (1NC) auxiliary contact, expanding the control capabilities of your contactor system.

Key Features:

• Configuration: 1 normally open (NO) + 1 normally closed (NC) contact
• Side mounting design for easy installation on compatible SIRIUS contactors
• Snap-on attachment mechanism for tool-free installation
• Rated for 10A at 250V AC auxiliary circuits
• Compliant with IEC/EN 60947 standards
• Compatible with 3RH19 and 3RH29 series contactors
• Durable construction for industrial automation applications

This auxiliary contact block is ideal for applications requiring additional control circuits, signaling functions, or interlocking in motor control, industrial automation, and machine control systems. The side mounting configuration allows for space-efficient installation while maintaining full functionality of the primary contactor.