The SIEMENS auxiliary contact block 3RT1916-2DH31 expands the functionality of SIEMENS 3RT1 contactors. It is used for switching auxiliary circuits and increasing the number of contacts needed for control and signal monitoring tasks. The block features 2 normally open (NO) contacts and 2 normally closed (NC) contacts. It is mounted from the front onto the corresponding contactors. It is used in control cabinets, automation systems, and industrial controls where reliable contact function is essential. Availability and delivery time on request.
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