A ____ is an abbreviation for Miniature Circuit Breaker. The BS number is ____. These protective devices protect the ____ in an installation from ____ due to ____. Overcurrent can be caused by ____ Currents or ____ Currents. Overload Currents are when the circuit is ____, but the consumer is trying to use too many devices connected to one circuit at once. A Fault Current is caused when there is a fault in the circuit such as a Short Circuit Fault or Earth Fault current. A ____ strip in the in the circuit breaker is a thermal trip that operates ____ to disconnect ____ currents. For higher currents (such as Short Circuit Fault Current) ,if the ____ is low enough, the ____ trip will operate almost instantly. It must operate in ____ seconds for a final circuit on TN-C-S or a ____ system. It must operate within ____ seconds for a final circuit on a TT system.

Protective Devices 2

by
Print
Embed

Leaderboard

Visual style

Options

Switch template

Continue editing: ?