Description
The Siemens 49AB11 is an auxiliary contact kit designed to expand the switching capability of compatible Siemens motor starters and contactors. Featuring one normally open (N/O) and one normally closed (N/C) contact configuration, this add-on contact block provides versatile control circuit functionality for a wide range of industrial and commercial HVAC applications.
Key Features
- 1 Normally Open (N/O) and 1 Normally Closed (N/C) auxiliary contact configuration
- Designed as a direct add-on kit for compatible Siemens motor starters and contactors
- Expands control circuit switching capacity without replacing the base unit
- Compact, snap-on design for quick and secure installation
- Reliable contact performance for demanding HVAC and industrial control applications
- Genuine Siemens OEM replacement part
Applications
- Motor starter auxiliary control circuits
- Contactor interlocking and status signaling
- Commercial and industrial HVAC control panels
- Building automation and motor protection systems
Why Choose the Siemens 49AB11?
The 49AB11 auxiliary contact kit is an ideal solution when additional control circuit contacts are needed without replacing an existing starter or contactor. Its straightforward add-on design minimizes installation time and ensures compatibility with the Siemens product family, making it a trusted choice for HVAC technicians and electrical contractors.







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