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
SHB5G8X6U
SHB5G8X6U
Limited Stock
From
Get Price
General Electric
3000
SHB5G8X6W
SHB5G8X6W
Limited Stock
From
Get Price
General Electric
3000
SHB5G8X71
SHB5G8X71
Limited Stock
From
Get Price
General Electric
3000
SHB5G8X72
SHB5G8X72
Limited Stock
From
Get Price
General Electric
3000
SHB5G8X7R
SHB5G8X7R
Limited Stock
From
Get Price
General Electric
3000
SHB5G8X7U
SHB5G8X7U
Limited Stock
From
Get Price
General Electric
3000
SHB5G8X7W
SHB5G8X7W
Limited Stock
From
Get Price
General Electric
3000
SHB5G8X81
SHB5G8X81
Limited Stock
From
Get Price
General Electric
3000
SHB5G8X82
SHB5G8X82
Limited Stock
From
Get Price
General Electric
3000
SHB5G8X8R
SHB5G8X8R
Limited Stock
From
Get Price
General Electric
3000
SHB5G8X8U
SHB5G8X8U
Limited Stock
From
Get Price
General Electric
3000
SHB5G8X8W
SHB5G8X8W
Limited Stock
From
Get Price
General Electric
3000
SHB5G8X91
SHB5G8X91
Limited Stock
From
Get Price
General Electric
3000
SHB5G8X92
SHB5G8X92
Limited Stock
From
Get Price
General Electric
3000
SHB5G8X9R
SHB5G8X9R
Limited Stock
From
Get Price
General Electric
3000
SHB5G8X9U
SHB5G8X9U
Limited Stock
From
Get Price
General Electric
3000
SHB5G8X9W
SHB5G8X9W
Limited Stock
From
Get Price
General Electric
3000
SHB5G8Y11
SHB5G8Y11
Limited Stock
From
Get Price
General Electric
3000
SHB5G8Y12
SHB5G8Y12
Limited Stock
From
Get Price
General Electric
3000
SHB5G8Y1R
SHB5G8Y1R
Limited Stock
From
Get Price
General Electric
3000
SHB5G8Y1U
SHB5G8Y1U
Limited Stock
From
Get Price
General Electric
3000
SHB5G8Y1W
SHB5G8Y1W
Limited Stock
From
Get Price
General Electric
3000
SHB5G8Y21
SHB5G8Y21
Limited Stock
From
Get Price
General Electric
3000
SHB5G8Y22
SHB5G8Y22
Limited Stock
From
Get Price
General Electric
3000

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.