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
SSB6G9J9W
SSB6G9J9W
Limited Stock
From
Get Price
General Electric
4000
SSB6G9K11
SSB6G9K11
Limited Stock
From
Get Price
General Electric
4000
SSB6G9K12
SSB6G9K12
Limited Stock
From
Get Price
General Electric
4000
SSB6G9K1U
SSB6G9K1U
Limited Stock
From
Get Price
General Electric
4000
SSB6G9K1W
SSB6G9K1W
Limited Stock
From
Get Price
General Electric
4000
SSB6G9K21
SSB6G9K21
Limited Stock
From
Get Price
General Electric
4000
SSB6G9K22
SSB6G9K22
Limited Stock
From
Get Price
General Electric
4000
SSB6G9K2U
SSB6G9K2U
Limited Stock
From
Get Price
General Electric
4000
SSB6G9K2W
SSB6G9K2W
Limited Stock
From
Get Price
General Electric
4000
SSB6G9K31
SSB6G9K31
Limited Stock
From
Get Price
General Electric
4000
SSB6G9K32
SSB6G9K32
Limited Stock
From
Get Price
General Electric
4000
SSB6G9K3U
SSB6G9K3U
Limited Stock
From
Get Price
General Electric
4000
SSB6G9K3W
SSB6G9K3W
Limited Stock
From
Get Price
General Electric
4000
SSB6G9K41
SSB6G9K41
Limited Stock
From
Get Price
General Electric
4000
SSB6G9K42
SSB6G9K42
Limited Stock
From
Get Price
General Electric
4000
SSB6G9K4U
SSB6G9K4U
Limited Stock
From
Get Price
General Electric
4000
SSB6G9K4W
SSB6G9K4W
Limited Stock
From
Get Price
General Electric
4000
SSB6G9K61
SSB6G9K61
Limited Stock
From
Get Price
General Electric
4000
SSB6G9K62
SSB6G9K62
Limited Stock
From
Get Price
General Electric
4000
SSB6G9K6U
SSB6G9K6U
Limited Stock
From
Get Price
General Electric
4000
SSB6G9K6W
SSB6G9K6W
Limited Stock
From
Get Price
General Electric
4000
SSB6G9K71
SSB6G9K71
Limited Stock
From
Get Price
General Electric
4000
SSB6G9K72
SSB6G9K72
Limited Stock
From
Get Price
General Electric
4000
SSB6G9K7U
SSB6G9K7U
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.