Siemens – 3KX7142‑6AA00 – CONT AUX 2 NO + 2 NF Auxiliary Contact Block (Group 5)

The Siemens 3KX7142‑6AA00 is an auxiliary contact block rated for use with Siemens motor‑starters or contactors. It provides 2 normally open (NO) + 2 normally closed (NC/NF) contacts, used to expand the auxiliary contact capability of a primary switching device. According to product listings it is a Group 5 auxiliary contact assembly.