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
SHF2G527T
SHF2G527T
Limited Stock
From
Get Price
General Electric
1600
SHF2G527U
SHF2G527U
Limited Stock
From
Get Price
General Electric
1600
SHF2G528K
SHF2G528K
Limited Stock
From
Get Price
General Electric
1600
SHF2G528N
SHF2G528N
Limited Stock
From
Get Price
General Electric
1600
SHF2G528P
SHF2G528P
Limited Stock
From
Get Price
General Electric
1600
SHF2G528Q
SHF2G528Q
Limited Stock
From
Get Price
General Electric
1600
SHF2G528R
SHF2G528R
Limited Stock
From
Get Price
General Electric
1600
SHF2G528T
SHF2G528T
Limited Stock
From
Get Price
General Electric
1600
SHF2G528U
SHF2G528U
Limited Stock
From
Get Price
General Electric
1600
SHF2G529K
SHF2G529K
Limited Stock
From
Get Price
General Electric
1600
SHF2G529N
SHF2G529N
Limited Stock
From
Get Price
General Electric
1600
SHF2G529P
SHF2G529P
Limited Stock
From
Get Price
General Electric
1600
SHF2G529Q
SHF2G529Q
Limited Stock
From
Get Price
General Electric
1600
SHF2G529R
SHF2G529R
Limited Stock
From
Get Price
General Electric
1600
SHF2G529T
SHF2G529T
Limited Stock
From
Get Price
General Electric
1600
SHF2G529U
SHF2G529U
Limited Stock
From
Get Price
General Electric
1600
SHF2G531K
SHF2G531K
Limited Stock
From
Get Price
General Electric
1600
SHF2G531N
SHF2G531N
Limited Stock
From
Get Price
General Electric
1600
SHF2G531P
SHF2G531P
Limited Stock
From
Get Price
General Electric
1600
SHF2G531Q
SHF2G531Q
Limited Stock
From
Get Price
General Electric
1600
SHF2G531R
SHF2G531R
Limited Stock
From
Get Price
General Electric
1600
SHF2G531T
SHF2G531T
Limited Stock
From
Get Price
General Electric
1600
SHF2G531U
SHF2G531U
Limited Stock
From
Get Price
General Electric
1600
SHF2G532K
SHF2G532K
Limited Stock
From
Get Price
General Electric
1600

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.