E-T-A circuit breakers are available with
- blade terminals (quick connect)
- stud terminals
- screw terminals
- round connectors
- solder pins
Electrically separate low current contacts can be included for use with alarm and control switching circuits.
- N/C (Si1) = Normally closed contacts are open when the main contacts are closed (break or b-contact).
- N/O (Si 2) = Normally open contacts are closed when the main contacts are closed (make or a-contact).