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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
WA5KKZ44A9SXXXXXXX	Limited Stock From Get Price	Square D	4000
WA8EER43A9SXXXXXXA	Limited Stock From Get Price	Square D	1600
WL1EEF31A9SFFFXXXX	Limited Stock From Get Price	Square D	1600
WL3CCV44A3DFBBXPCM	Limited Stock From Get Price	Square D	1200
WL7CCR44A9XFXXXXXA	Limited Stock From Get Price	Square D	1200
RL-1600	Limited Stock From Get Price	Square D	1600
WA6EER44A3CFBFXXCX	Limited Stock From Get Price	Square D	1600
WA9AAR33A9SXFFXXXA	Limited Stock From Get Price	Square D	800
BL3EEV44A9SXXXXXXM	Limited Stock From Get Price	Square D	1600
PEG33000F	Limited Stock From Get Price	Square D	3000
WL1CCR44A9CFBFXXXX	Limited Stock From Get Price	Square D	-
WL3EER44A9SFBFXXXX	Limited Stock From Get Price	Square D	-
WL1CCR33A9SXFXXXXX	Limited Stock From Get Price	Square D	-
WL1CCR34A9DPBBXAEX	Limited Stock From Get Price	Square D	-
WL1CCR43AA9SXXXXXXX	Limited Stock From Get Price	Square D	-
WL1CCR44A9DPMMXPCX	Limited Stock From Get Price	Square D	-
WL1CCR63A3SXXXWXKAT	Limited Stock From Get Price	Square D	-
WL3EER43A9CPBBXACA	Limited Stock From Get Price	Square D	-
WL3EER64A3FFBXXCA	Limited Stock From Get Price	Square D	-

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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.