SIEMENS TS31 Universal Test Set

Siemens TS-31 Universal Test Set

The Siemens TS-31 is a portable, full-function Secondary Injection Test Set engineered to facilitate the testing and verification of electronic trip units in low-voltage circuit breakers. By simulating fault conditions, this device enables technicians to assess the pickup levels and time delay settings of a breaker's trip unit without the need for primary current injection.