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Insulated Case Circuit Breaker

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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.

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Part Number	PRICE	Manufacturer	Amperage
SPBSR312C	Limited Stock From Get Price	Cutler Hammer	-
SPBSR312F	Limited Stock From Get Price	Cutler Hammer	-
SPBSR316C	Limited Stock From Get Price	Cutler Hammer	-
SPBSR316R	Limited Stock From Get Price	Cutler Hammer	-
SPBSR321F	Limited Stock From Get Price	Cutler Hammer	-
SPBSR321R	Limited Stock From Get Price	Cutler Hammer	-
SPBSR321R51	Limited Stock From Get Price	Cutler Hammer	-
SPBSR38C	Limited Stock From Get Price	Cutler Hammer	-
SPBSR38D	Limited Stock From Get Price	Cutler Hammer	-
SPBSR38F	Limited Stock From Get Price	Cutler Hammer	-
THSS3608S	Limited Stock From Get Price	General Electric	800
GU16N6	Limited Stock From Get Price	General Electric	1600
SBS6303HEA 305GAMNN4ENNNAX	Limited Stock From Get Price	Eaton	3000
SSF2G5X3R410000	Limited Stock From Get Price	General Electric	1600
8122-430	Limited Stock From Get Price	ABB	2000
E3-A	Limited Stock From Get Price	ABB	400
GA08MDHERXX4AXXL4X81	Limited Stock From Get Price	General Electric	2000
NXS4123W	Limited Stock From Get Price	Cutler Hammer	1200
PEG33000F	Limited Stock From Get Price	Square D	3000
PS-1600A-EO-BO	Limited Stock From Get Price	SACE	-
TP1616TTE1CR	Limited Stock From Get Price	General Electric	-
WL1CCR44A9CFBFXXXX	Limited Stock From Get Price	Square D	-
CPSRT-SSF2G5A2U400000	Limited Stock From Get Price	General Electric	-
CPSRT-SSF2G5X2U400000	Limited Stock From Get Price	General Electric	-

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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.