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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
WLL3Z340	Limited Stock From Get Price	Siemens	4000
WLL3Z350	Limited Stock From Get Price	Siemens	5000
WLM3A332	Limited Stock From Get Price	Siemens	3200
WLS1D308	Limited Stock From Get Price	Siemens	800
WLS1D312	Limited Stock From Get Price	Siemens	1200
WLS1F312	Limited Stock From Get Price	Siemens	1200
WLS2D312	Limited Stock From Get Price	Siemens	1200
WLS2D320	Limited Stock From Get Price	Siemens	2000
WLS2F312	Limited Stock From Get Price	Siemens	1200
MDSC324WEA	Limited Stock From Get Price	Cutler Hammer	3200
BL3CCVSSX9CFBFXXCA	Limited Stock From Get Price	Square D	1200
WLL2S332	Limited Stock From Get Price	Siemens	3200
255P242H01	Limited Stock From Get Price	Cutler Hammer	1000
BL3HHG44A3SXXXXXXS	Limited Stock From Get Price	Square D	3000
E2N-A16-3P-1600A-BO-MO-LSIG	Limited Stock From Get Price	ABB	1600
E2S-A16	Limited Stock From Get Price	ABB	1600
E3H-A12	Limited Stock From Get Price	ABB	1200
E3V-A20-3P-4000A-DO-MO-LSI	Limited Stock From Get Price	ABB	2000
E3V12DEHEACE0CB	Limited Stock From Get Price	ABB	800
E3V20DEH0A0E0CB	Limited Stock From Get Price	ABB	2000
E3V20DEHEACE0CB	Limited Stock From Get Price	ABB	2000
E3V20DEHEACE0CF	Limited Stock From Get Price	ABB	2000
E3V25DEH0A000CB	Limited Stock From Get Price	ABB	2000
E6H-A40	Limited Stock From Get Price	ABB	4000

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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.