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).