Siemens Industrial Controls 49AB10 1-N/O Auxiliary Contact Kit

The Siemens Industrial Controls 49AB10 Normally Open auxiliary contact kit is used to offer an additional switching operation to Siemens contactors. It is fixed onto the contactor and allows controlling additional circuits or a pilot system when the main contactor is on. It is applied in HVAC systems to couple the fan motors, regulate the dampers, or indicate the condition of other parts. By using this auxiliary contact, automation is improved, additional control is provided, and the functionality of the HVAC equipment is increased.