Introduced in 1955 the square d qo line of miniature 3 4 inch circuit breakers may be their best known product line used in the electrical distribution boards of many residences in north america.
I line panels square d.
Amazon s choice for square d homeline panel square d by schneider electric hom1224l125pc homeline 125 amp 12 space 24 circuit indoor main lugs load center with cover plug on neutral ready 4 6 out of 5 stars 142.
Square d circuit breakers interrupt the current of an overloaded circuit.
Square d by schneider electric home250spa homeline 50 amp spa panel 4 5 out of 5 stars 550 square d by schneider electric hom816m200ftrb homeline 200 amp 8 space 16 circuit outdoor main breaker load center with feed thru lugs.
Square d i line 600a 480y 277 v breaker panel board interior 3ph 4w 600 amp 480v ga0261 1 1455 30 square d i line 400a 600v mlo breaker panel board 3ph 400 amp hcm1448 4 hcm14484 ga0252 1 906 50.
These square d i line main lug panel interiors distribute power downstream from main breakers and can be used with many square d breaker series to protect circuits from overcurrents.
Square d homeline 200 amp 40 space 80 circuit indoor main breaker qwik grip plug on neutral load center with surge spd value pack model hom4080m200pqcsvp 210 00 210 00.
Hom load centers are used with hom series branch circuit breakers.
Square d homeline 200 amp 30 space 60 circuit indoor main breaker qwik grip plug on neutral load center with cover value pack model hom3060m200pqcvp 114 00 114 00.
Square d claims these are the fastest opening breakers in the industry responding within 1 60th of a second or just one full power cycle on a 60 hz ac line.
The qo designation stands for qwik open.
These panelboards and load centers distribute electrical current in residential commercial and industrial applications while using square d circuit breakers to prevent damage.
Square d hcm 600 amp main lug only 208 120v 3 phase 4w i line breaker panel mlo.