Refine Results

In Stock

Applied Filters:

Insulated Case Circuit Breaker

Subcategory

Insulated Case Circuit Breaker

Manufacturers

All

Family

All

Amperage

All

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.

SORT BY

Part Number	PRICE	Manufacturer	Amperage
WLS2F320UD	Limited Stock From Get Price	Siemens	2000
WLS2F320UE	Limited Stock From Get Price	Siemens	2000
WLS2F320UF	Limited Stock From Get Price	Siemens	2000
WLS2F320UH	Limited Stock From Get Price	Siemens	2000
WLS2F320UJ	Limited Stock From Get Price	Siemens	2000
WLS2F320UK	Limited Stock From Get Price	Siemens	2000
WLS2F320UL	Limited Stock From Get Price	Siemens	2000
WLS2F320UN	Limited Stock From Get Price	Siemens	2000
WLS2F320UP	Limited Stock From Get Price	Siemens	2000
WLS2F320UQ	Limited Stock From Get Price	Siemens	2000
WLS2F320UR	Limited Stock From Get Price	Siemens	2000
WLS2F320UT	Limited Stock From Get Price	Siemens	2000
WLS2F320UU	Limited Stock From Get Price	Siemens	2000
WLS2F320UW	Limited Stock From Get Price	Siemens	2000
WLS2F320UY	Limited Stock From Get Price	Siemens	2000
WLS3F320	Limited Stock From Get Price	Siemens	2000
TPVVF66208	Limited Stock From Get Price	General Electric	2000
WLL2F316PT	Limited Stock From Get Price	Siemens	1600
WLL2F330PT	Limited Stock From Get Price	Siemens	3000
WLS2F320PT	Limited Stock From Get Price	Siemens	2000
3WL1212-4EB35-4GN4	Limited Stock From Get Price	Siemens	1250
3WL1225-3EB36-5BA4	Limited Stock From Get Price	Siemens	2500
3WL1225-3NB36-5BA4-Z	Limited Stock From Get Price	Siemens	2500
3WL1225-4EB35-5BA4	Limited Stock From Get Price	Siemens	2500

1
...
13,313
13,314
13,315
...
13,851

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.