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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
WLL2S332SSDCXCXEN	Limited Stock From Get Price	Siemens	3200
WLL2S332SSXXXXXXN	Limited Stock From Get Price	Siemens	400
WLL3A3501HGCXGZXN	Limited Stock From Get Price	Siemens	5000
WLL3S350SSDCXCCXN	Limited Stock From Get Price	Siemens	5000
WLM3A332YAXXXXXXN	Limited Stock From Get Price	Siemens	3200
WLS2A316NYDXXXFCN	Limited Stock From Get Price	Siemens	800
WLS2A316TC	Limited Stock From Get Price	Siemens	1600
WLS2A316THDXXXXXN	Limited Stock From Get Price	Siemens	1600
WLS2A320TVGCXL8XA	Limited Stock From Get Price	Siemens	1600
WLS2A332YVGCXL8XA	Limited Stock From Get Price	Siemens	3200
WM4JJR63R3FJJJXDHX	Limited Stock From Get Price	Schneider Electric	3200
WN4FFB43A9SDDDBXXX	Limited Stock From Get Price	Schneider Electric	2000
WN5FFV41A9SDDDXBBA	Limited Stock From Get Price	Schneider Electric	2000
YL3KHR44A9SFBFXXCX	Limited Stock From Get Price	Square D	3000
177C181G37	Limited Stock From Get Price	Westinghouse	600
177C181G38	Limited Stock From Get Price	Westinghouse	700
177C181G39	Limited Stock From Get Price	Eaton	800
177C181G40	Limited Stock From Get Price	Westinghouse	900
177C181G41	Limited Stock From Get Price	Westinghouse	1000
177C181G42	Limited Stock From Get Price	Westinghouse	1200
177C181G43	Limited Stock From Get Price	Westinghouse	1400
177C181G44	Limited Stock From Get Price	Westinghouse	1600
177C181G45	Limited Stock From Get Price	Westinghouse	1800
177C181G46	Limited Stock From Get Price	Westinghouse	2000

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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.