Siemens Industrial Controls 49AB11 SPST Auxiliary Contact Kit 1 N/O & 1 N/C

The Siemens Industrial Controls 49AB11 Auxiliary Contact Kit is a durable part that is used to increase the functionality of contactors and starters in HVAC systems. This auxiliary contact kit has a 1 Normally Open and 1 Normally Closed configuration with Single Pole-Single Throw contacts to enable status indication and control circuit signaling, it is used in air handlers, chillers, and compressor units of HVAC equipment. It is easy to integrate and use in monitoring the system. However kit offers high operational efficiency, better automation support and durable performance in the tough industrial conditions.