Siemens 3RT1956-4EA1 Contactor End Cover Assembly

Siemens 3RT1956-4EA1 Terminal Cover (End Cover Assembly) is a 100 mm long protective cover designed for busbar connections on Siemens 3RT1‑series contactors in size S6 applications. It encloses the terminal area at the end of the contactor to provide finger protection and safeguard live busbar terminals in both busbar and box-terminal configurations. The cover is specified for use with 3RT1 and related devices including 3RB2, 3RW407, 3RW4, and 3RW505, and two units are required per contactor. This part is commonly used in motor control centers and switchgear assemblies that employ the 3RT1 family, helping maintain safe, compliant installations across compatible models.