Miniature Circuit Breakers
Circuit Protection is one of Square D's specialities. We have several miniature circuit breakers.
Please check the different kinds of miniature circuit breakers that we have.
QO Circuit Breakers
The industry leader in circuit protection is easily recognized by the
industry's only trip indicator the amber-colored VISI-TRIP® Indicator makes it easy to spot a
tripped circuit breaker.
HOMELINE Circuit Breakers
The HOMELINE circuit breaker product family has been expanded to meet more applications than
ever. Exclusive features make new HOMELINE circuit breakers the best value in its class.
Arc-D-tect Arc-fault Circuit Interrupters (AFCI)
The advanced technology of the exclusive Arc-D-tect AFCI provides the highest level of circuit
protection available. These circuit interrupters are specifically designed to detect dangerous
low-level arc faults and provide traditional overload and short-circuit protection.
QOU Miniature Circuit Breakers
QOU circuit breakers are available for surface, flush or DIN rail mounting in one-, two- and
three-pole construction. QOU breakers are used for overcurrent protection and switching on both
ac and dc systems.
For other circuit protection products, please visit
Circuit Protection Products