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
SHB4G7E9W
SHB4G7E9W
Limited Stock
From
Get Price
General Electric
2500
SHB4G7F11
SHB4G7F11
Limited Stock
From
Get Price
General Electric
2500
SHB4G7F1U
SHB4G7F1U
Limited Stock
From
Get Price
General Electric
2500
SHB4G7F1W
SHB4G7F1W
Limited Stock
From
Get Price
General Electric
2500
SHB4G7F21
SHB4G7F21
Limited Stock
From
Get Price
General Electric
2500
SHB4G7F2U
SHB4G7F2U
Limited Stock
From
Get Price
General Electric
2500
SHB4G7F2W
SHB4G7F2W
Limited Stock
From
Get Price
General Electric
2500
SHB4G7F31
SHB4G7F31
Limited Stock
From
Get Price
General Electric
2500
SHB4G7F3U
SHB4G7F3U
Limited Stock
From
Get Price
General Electric
2500
SHB4G7F3W
SHB4G7F3W
Limited Stock
From
Get Price
General Electric
2500
SHB4G7F41
SHB4G7F41
Limited Stock
From
Get Price
General Electric
2500
SHB4G7F4U
SHB4G7F4U
Limited Stock
From
Get Price
General Electric
2500
SHB4G7F4W
SHB4G7F4W
Limited Stock
From
Get Price
General Electric
2500
SHB4G7F61
SHB4G7F61
Limited Stock
From
Get Price
General Electric
2500
SHB4G7F6U
SHB4G7F6U
Limited Stock
From
Get Price
General Electric
2500
SHB4G7F6W
SHB4G7F6W
Limited Stock
From
Get Price
General Electric
2500
SHB4G7F71
SHB4G7F71
Limited Stock
From
Get Price
General Electric
2500
SHB4G7F7U
SHB4G7F7U
Limited Stock
From
Get Price
General Electric
2500
SHB4G7F7W
SHB4G7F7W
Limited Stock
From
Get Price
General Electric
2500
SHB4G7F81
SHB4G7F81
Limited Stock
From
Get Price
General Electric
2500
SHB4G7F8U
SHB4G7F8U
Limited Stock
From
Get Price
General Electric
2500
SHB4G7F8W
SHB4G7F8W
Limited Stock
From
Get Price
General Electric
2500
SHB4G7F91
SHB4G7F91
Limited Stock
From
Get Price
General Electric
2500
SHB4G7F9U
SHB4G7F9U
Limited Stock
From
Get Price
General Electric
2500

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.