Refine Results

In Stock

Applied Filters:

Insulated Case Circuit Breaker

Subcategory

Insulated Case Circuit Breaker

Manufacturers

All

Family

All

Amperage

All

Insulated Case Circuit Breaker

For circuit breaker applications in commercial and industrial power distribution systems, insulated case circuit breakers are among the most critical components for reliable overcurrent protection and system safety. Insulated case circuit breakers provide adjustable trip settings and high interrupting capacity while offering compact installation in panelboards and switchboards. Electrical.com carries an extensive selection of insulated case circuit breakers from all major manufacturers, including new, used, surplus, and re-certified options. These components are designed to meet the diverse needs of commercial buildings, industrial facilities, data centers, and healthcare infrastructure applications.

SORT BY

Part Number	PRICE	Manufacturer	Amperage
SED363000LIGES5D4	In Stock From $4,500^.00	Square D	3000
SED363000LS	In Stock From Get Price	Schneider Electric	3000
SED363000LSGES1A8	In Stock From Get Price	Schneider Electric	3000
SED364000LSGA8	In Stock From Get Price	Schneider Electric	4000
SED364000LSGES1A4	In Stock From $2,222^.22	Square D	4000
SED36400LSG	In Stock From Get Price	Schneider Electric	400
SED36600LSG	In Stock From Get Price	Square D	600
SED36800LSD4	In Stock From Get Price	Schneider Electric	800
SEF361600LIES1A8	In Stock From Get Price	Square D	1600
SEF361600LS	In Stock From $10,665^.49	Schneider Electric	1600
SEF361600LSG	In Stock From Get Price	Square D	1600
SEF362000LSGES1E8	In Stock From $8,190^.00	Schneider Electric	2000
SEF364000LI	In Stock From Get Price	Square D	4000
SEF364000LSIG	In Stock From $25,367^.65	Square D	4000
SEF36800LI	In Stock From Get Price	Square D	800
SEF36800LIES1A8	In Stock From Get Price	Square D	800
SEF36800LSES5E4	In Stock From $8,067^.00	Schneider Electric	800
SEF36800LSG	In Stock From $10,456^.72	Schneider Electric	800
SEHD361600LSES5D8	In Stock From $0^.02	Schneider Electric	1600
SHD16B216	In Stock From Get Price	General Electric	1600
SPB100-3P-1200A-EO-BO-LI	In Stock From $6,823^.61	Cutler Hammer	1200
SPB100-3P-1200A-MO-BO-LSI	In Stock From Get Price	Cutler Hammer	1200
SPB100-3P-2000A-EO-BO-LSI	In Stock From Get Price	Cutler Hammer	2000
SPB100-3P-2000A-MO-BO-LSIG	In Stock From Get Price	Cutler Hammer	2000

1
...
8
9
10
...
13,851

Electrical.com stocks the largest inventory of insulated case circuit breakers in the world, with over 1 million square feet of new, used, surplus, and re-certified circuit breakers available for immediate shipment. From low voltage to medium voltage applications, we have the insulated case breakers you need when others say no. Our comprehensive insulated case circuit breaker inventory spans all amperage ratings, voltage classes, and frame sizes from all major manufacturers including current production and discontinued models from legacy suppliers. Available in new factory condition, surplus stock, and re-certified options‚ All backed by our standard 2-year Electrical.com warranty. Our insulated case circuit breakers serve critical applications across industrial power distribution systems, manufacturing facilities, commercial buildings, data centers, utility substations, process control installations, and heavy industrial equipment.

Whether you're maintaining legacy electrical systems with obsolete insulated case breaker models or sourcing current production breakers for new installations and upgrades, our 40+ warehouse locations across the US and Canada ensure rapid delivery to minimize your downtime. Need insulated case circuit breakers now? Call 877-999-7077 or email [email protected]. With same-day shipping available and the right parts ready to ship from our nearest warehouse location, Electrical.com gets your operations back online fast. We can say yes when others have to say no.