1. Home / 
  2. All Categories / 
  3. Circuit Breaker / 
  4. Insulated Case Circuit Breaker

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
SHF6G923W
SHF6G923W
Limited Stock
From
Get Price
General Electric
4000
SHF6G9241
SHF6G9241
Limited Stock
From
Get Price
General Electric
4000
SHF6G9242
SHF6G9242
Limited Stock
From
Get Price
General Electric
4000
SHF6G924U
SHF6G924U
Limited Stock
From
Get Price
General Electric
4000
SHF6G924W
SHF6G924W
Limited Stock
From
Get Price
General Electric
4000
SHF6G9261
SHF6G9261
Limited Stock
From
Get Price
General Electric
4000
SHF6G9262
SHF6G9262
Limited Stock
From
Get Price
General Electric
4000
SHF6G926U
SHF6G926U
Limited Stock
From
Get Price
General Electric
4000
SHF6G926W
SHF6G926W
Limited Stock
From
Get Price
General Electric
4000
SHF6G9271
SHF6G9271
Limited Stock
From
Get Price
General Electric
4000
SHF6G9272
SHF6G9272
Limited Stock
From
Get Price
General Electric
4000
SHF6G927U
SHF6G927U
Limited Stock
From
Get Price
General Electric
4000
SHF6G927W
SHF6G927W
Limited Stock
From
Get Price
General Electric
4000
SHF6G9281
SHF6G9281
Limited Stock
From
Get Price
General Electric
4000
SHF6G9282
SHF6G9282
Limited Stock
From
Get Price
General Electric
4000
SHF6G928U
SHF6G928U
Limited Stock
From
Get Price
General Electric
4000
SHF6G928W
SHF6G928W
Limited Stock
From
Get Price
General Electric
4000
SHF6G9291
SHF6G9291
Limited Stock
From
Get Price
General Electric
4000
SHF6G9292
SHF6G9292
Limited Stock
From
Get Price
General Electric
4000
SHF6G929U
SHF6G929U
Limited Stock
From
Get Price
General Electric
4000
SHF6G929W
SHF6G929W
Limited Stock
From
Get Price
General Electric
4000
SHF6G9311
SHF6G9311
Limited Stock
From
Get Price
General Electric
4000
SHF6G9312
SHF6G9312
Limited Stock
From
Get Price
General Electric
4000
SHF6G931U
SHF6G931U
Limited Stock
From
Get Price
General Electric
4000

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.