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
SHB6G9C7W
SHB6G9C7W
Limited Stock
From
Get Price
General Electric
4000
SHB6G9C81
SHB6G9C81
Limited Stock
From
Get Price
General Electric
4000
SHB6G9C82
SHB6G9C82
Limited Stock
From
Get Price
General Electric
4000
SHB6G9C8U
SHB6G9C8U
Limited Stock
From
Get Price
General Electric
4000
SHB6G9C8W
SHB6G9C8W
Limited Stock
From
Get Price
General Electric
4000
SHB6G9C91
SHB6G9C91
Limited Stock
From
Get Price
General Electric
4000
SHB6G9C92
SHB6G9C92
Limited Stock
From
Get Price
General Electric
4000
SHB6G9C9U
SHB6G9C9U
Limited Stock
From
Get Price
General Electric
4000
SHB6G9C9W
SHB6G9C9W
Limited Stock
From
Get Price
General Electric
4000
SHB6G9E11
SHB6G9E11
Limited Stock
From
Get Price
General Electric
4000
SHB6G9E12
SHB6G9E12
Limited Stock
From
Get Price
General Electric
4000
SHB6G9E1U
SHB6G9E1U
Limited Stock
From
Get Price
General Electric
4000
SHB6G9E1W
SHB6G9E1W
Limited Stock
From
Get Price
General Electric
4000
SHB6G9E21
SHB6G9E21
Limited Stock
From
Get Price
General Electric
4000
SHB6G9E22
SHB6G9E22
Limited Stock
From
Get Price
General Electric
4000
SHB6G9E2U
SHB6G9E2U
Limited Stock
From
Get Price
General Electric
4000
SHB6G9E2W
SHB6G9E2W
Limited Stock
From
Get Price
General Electric
4000
SHB6G9E31
SHB6G9E31
Limited Stock
From
Get Price
General Electric
4000
SHB6G9E32
SHB6G9E32
Limited Stock
From
Get Price
General Electric
4000
SHB6G9E3U
SHB6G9E3U
Limited Stock
From
Get Price
General Electric
4000
SHB6G9E3W
SHB6G9E3W
Limited Stock
From
Get Price
General Electric
4000
SHB6G9E41
SHB6G9E41
Limited Stock
From
Get Price
General Electric
4000
SHB6G9E42
SHB6G9E42
Limited Stock
From
Get Price
General Electric
4000
SHB6G9E4U
SHB6G9E4U
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.