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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
SBN4040F	Limited Stock From Get Price	Siemens	4000
SBN5050	Limited Stock From Get Price	Siemens	5000
SBN5050D	Limited Stock From Get Price	Siemens	5000
SBN5050DV	Limited Stock From Get Price	Siemens	5000
SBN5050F	Limited Stock From Get Price	Siemens	5000
WLF2A308	Limited Stock From Get Price	Siemens	800
WLF2A316	Limited Stock From Get Price	Siemens	1600
3WN5231-FB56-1GA1	Limited Stock From Get Price	Siemens	1000
SBA0808F	Limited Stock From Get Price	Siemens	800
SBS2016DVTLSIG	Limited Stock From Get Price	Siemens	1600
WLC2D308A	Limited Stock From Get Price	Siemens	800
WLC2D308AA	Limited Stock From Get Price	Siemens	800
WLC2D308AB	Limited Stock From Get Price	Siemens	800
WLC2D308AC	Limited Stock From Get Price	Siemens	800
WLC2D308B	Limited Stock From Get Price	Siemens	800
WLC2D308BA	Limited Stock From Get Price	Siemens	800
WLC2D308BB	Limited Stock From Get Price	Siemens	800
WLC2D308BC	Limited Stock From Get Price	Siemens	800
WLC2D308C	Limited Stock From Get Price	Siemens	800
WLC2D308CA	Limited Stock From Get Price	Siemens	800
WLC2D308CB	Limited Stock From Get Price	Siemens	800
WLC2D308CC	Limited Stock From Get Price	Siemens	800
WLC2D308D	Limited Stock From Get Price	Siemens	800
WLC2D308DA	Limited Stock From Get Price	Siemens	800

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.