The Siemens 3RH2911-1HA11 is a front-mounted auxiliary contact block designed to expand the switching capability of compatible Siemens 3RH2 and 3RT2 series contactors and contactor relays. Engineered for reliable performance in commercial and industrial control panel applications, this auxiliary contact snaps directly onto the front face of the base contactor for fast, tool-free installation.
Key Features
- Front-mounted design for easy snap-on installation to compatible Siemens 3RH2 and 3RT2 contactors
- 2NO/NC (normally open / normally closed) contact configuration for versatile control circuit wiring
- Rated for use in HVAC, motor control, and industrial automation control circuits
- Compact, space-saving block that does not increase the overall footprint of the contactor assembly
- Screw-terminal connections for secure, vibration-resistant wiring
- Designed to meet IEC standards for auxiliary contact blocks
Specifications
- SKU: 3RH2911-1HA11
- Brand: Siemens
- Contact Configuration: 2NO/NC (Normally Open / Normally Closed)
- Mounting Style: Front-mounted
- Compatible Series: Siemens 3RH2 / 3RT2 contactors and contactor relays
- Connection Type: Screw terminals
- Standards: IEC rated
Applications
- HVAC motor control panels and starter assemblies
- Commercial building automation and control circuits
- Industrial motor starters and contactor relay assemblies
- Auxiliary signaling, interlocking, and feedback circuits
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