The primary distribution box is required to trip within a few seconds
Busbar protection (BBP): Protection intended to detect and operate to clear faults on a busbar. This means that lower levels of current will allow the breaker to remain online for longer periods of time. The tripping time characteristics are: The instantaneous protection pickup Ii is set by using the Ii rotary switch on the front face of the TStrip system. After the occurrence of a fault, the circuit breaker will be tripped by the protection functionality of the protected feeder followed by an automatic reclosing or an AR-shot, which is a function where the circuit breaker is automatically reclosed after a set time delay. The distribution switchboard enclosure provides dual protection: The protection of human life against the possibility of direct and indirect electric shock (see degree of protection IP and the IK index in List of external influences ).
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