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
SHB3G6M6T
SHB3G6M6T
Limited Stock
From
Get Price
General Electric
2000
SHB3G6M6U
SHB3G6M6U
Limited Stock
From
Get Price
General Electric
2000
SHB3G6M6W
SHB3G6M6W
Limited Stock
From
Get Price
General Electric
2000
SHB3G6M7M
SHB3G6M7M
Limited Stock
From
Get Price
General Electric
2000
SHB3G6M7N
SHB3G6M7N
Limited Stock
From
Get Price
General Electric
2000
SHB3G6M7P
SHB3G6M7P
Limited Stock
From
Get Price
General Electric
2000
SHB3G6M7R
SHB3G6M7R
Limited Stock
From
Get Price
General Electric
2000
SHB3G6M7T
SHB3G6M7T
Limited Stock
From
Get Price
General Electric
2000
SHB3G6M7U
SHB3G6M7U
Limited Stock
From
Get Price
General Electric
2000
SHB3G6M7W
SHB3G6M7W
Limited Stock
From
Get Price
General Electric
2000
SHB3G6M8M
SHB3G6M8M
Limited Stock
From
Get Price
General Electric
2000
SHB3G6M8N
SHB3G6M8N
Limited Stock
From
Get Price
General Electric
2000
SHB3G6M8P
SHB3G6M8P
Limited Stock
From
Get Price
General Electric
2000
SHB3G6M8R
SHB3G6M8R
Limited Stock
From
Get Price
General Electric
2000
SHB3G6M8T
SHB3G6M8T
Limited Stock
From
Get Price
General Electric
2000
SHB3G6M8U
SHB3G6M8U
Limited Stock
From
Get Price
General Electric
2000
SHB3G6M8W
SHB3G6M8W
Limited Stock
From
Get Price
General Electric
2000
SHB3G6M9M
SHB3G6M9M
Limited Stock
From
Get Price
General Electric
2000
SHB3G6M9N
SHB3G6M9N
Limited Stock
From
Get Price
General Electric
2000
SHB3G6M9P
SHB3G6M9P
Limited Stock
From
Get Price
General Electric
2000
SHB3G6M9R
SHB3G6M9R
Limited Stock
From
Get Price
General Electric
2000
SHB3G6M9T
SHB3G6M9T
Limited Stock
From
Get Price
General Electric
2000
SHB3G6M9U
SHB3G6M9U
Limited Stock
From
Get Price
General Electric
2000
SHB3G6M9W
SHB3G6M9W
Limited Stock
From
Get Price
General Electric
2000

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.