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Insulated Case Circuit Breaker

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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
WA4EER74A3CFGGXXJA	Limited Stock From Get Price	Square D	1600
WA4FFR42A9SXXXXXXX	Limited Stock From Get Price	Square D	2000
WA4FFV44A9SXFXXXXA	Limited Stock From Get Price	Square D	2000
WA4JJR43A9DGFFWXJA	Limited Stock From Get Price	Square D	3200
WA5AAR44A3DFFFXXJA	Limited Stock From Get Price	Square D	800
WA5FFR43A9SFFFXXXA	Limited Stock From Get Price	Square D	2000
WA5FFR44A3DXXXXXJA	Limited Stock From Get Price	Square D	2000
WA5FFR74A3DXXXWXCA	Limited Stock From Get Price	Square D	2000
WA5JGR74A3DFDFWXEA	Limited Stock From Get Price	Square D	2500
WA5JGR74A3DXXXWXCA	Limited Stock From Get Price	Square D	2500
WA6FFR64A3GFBFXXCA	Limited Stock From Get Price	Square D	2000
WA6PPR44A3SFBFXXCX	Limited Stock From Get Price	Square D	250
WA8EER64A3CXXXXXXA	Limited Stock From Get Price	Square D	1600
WL1CBV33A9SXXXXXXA	Limited Stock From Get Price	Square D	1000
WL1CCV43A3CFFFXSCA	Limited Stock From Get Price	Square D	1200
WL3EER44A9SFFFXXCAT	Limited Stock From Get Price	Square D	1600
WL3FFJ33A9SXXXXXCA	Limited Stock From Get Price	Square D	2000
WL3FFR44A3DXXXXPEAR	Limited Stock From Get Price	Square D	1600
WL3FFR44A9SXXXXXCA	Limited Stock From Get Price	Square D	2000
WL3HHR44A9SFBFXXCX	Limited Stock From Get Price	Square D	3000
WL7CCR44A9SFXXXXXA	Limited Stock From Get Price	Square D	1200
WLC2D330VVKJHLNCA	Limited Stock From Get Price	Siemens	2500
WLH2A320TFGAXCCCA	Limited Stock From Get Price	Siemens	2000
WLH2A332WHXXXXXXN	Limited Stock From Get Price	Siemens	3000

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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.