Siemens 3TY6500-0A Contact Kit

The Siemens 3TY6500-0A contact kit is a replacement insert for NSFB circuit breakers and industrial motor starters, delivering reliable switching and contact integrity in protection devices. Built with silver alloy contacts and mounted as a replacement insert in the breaker assembly, it supports 3P or 4P configurations depending on model and is compatible with NSFB breakers and motor starters. It complies with IEC and UL standards and operates from -20°C to +60°C, making it suitable for harsh industrial environments. Typical applications include repair, retrofit, and maintenance in circuit breakers, motor control centers, and switchgear panels to restore proper contact operation and safety in electrical distribution systems. Common replacements listed for this kit include Siemens 3TY6500-0B and 3TY6500-0C, as well as the Eaton NSFB Contact Kit.