is a portable instrument for testing both the circuit breaker mechanisms and the substation battery. It can be used during routine maintenance or on a continuous basis if a problem is suspected.

The system is housed in a small, rugged suitcase style enclosure which includes the power, signal and communications cables. A compact programmer is available for configuring – TCP and viewing the test reports. is easy to use and only requires two input connections. Once connected a complete substation can be tested without having to reconnect to each circuit breaker. will automatically record, analyse and report on each trip and close operation and will send these reports to a central location for viewing and archiving via a PSTN or wireless modem.