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
SPBSR321C
SPBSR321C
Limited Stock
From
Get Price
Cutler Hammer
-
MDN6083HEA
MDN6083HEA
In Stock
From
Get Price
Cutler Hammer
800
SPB50
SPB50
In Stock
From
Get Price
Cutler Hammer
800
SBS6123WEA
SBS6123WEA
In Stock
From
$548.46
Eaton
-
SBS6303HEA
SBS6303HEA
In Stock
From
$9,300.31
Eaton
3000
SBS6303VEA
SBS6303VEA
In Stock
From
$1,206.17
Eaton
3000
SBS6083HEA
SBS6083HEA
In Stock
From
$891.56
Eaton
-
SBS6124WEA
SBS6124WEA
In Stock
From
$1,977.78
Eaton
-
SBS6204WEA
SBS6204WEA
In Stock
From
$4,571.43
Eaton
-
SBSC123HEA
SBSC123HEA
In Stock
From
$1,844.72
Eaton
-
SBSC304WEA
SBSC304WEA
In Stock
From
$1,977.78
Eaton
-
SBSC5N3HEA
SBSC5N3HEA
In Stock
From
$1,395.98
Eaton
-
SPB100-1600
SPB100-1600
In Stock
From
$7,695.00
Cutler Hammer
-
SPB100-2000
SPB100-2000
In Stock
From
$6,375.00
Cutler Hammer
-
SPB100-4000
SPB100-4000
In Stock
From
$26,932.50
Cutler Hammer
-
DS416
DS416
In Stock
From
$784.71
Eaton
-
SBSC123HEA125GNMNNNE
SBSC123HEA125GNMNNNE
In Stock
From
$44.44
Eaton
-
SPB65-3P-2000C-MO-BO-LIS51LI
SPB65-3P-2000C-MO-BO-LIS51LI
In Stock
From
$11.11
Eaton
-
DB-50-3P-1600A-MO-DO
DB-50-3P-1600A-MO-DO
In Stock
From
$1,304.53
Eaton
-
DS-206-3P-800A-MO-DO
DS-206-3P-800A-MO-DO
In Stock
From
$1,217.58
Eaton
-
DS206-800A-EO-DO
DS206-800A-EO-DO
In Stock
From
$1,111.11
Eaton
-
MDSC083VEA
MDSC083VEA
In Stock
From
$1,666.67
Eaton
-
SPB100-2500A
SPB100-2500A
In Stock
From
$1,333.33
Eaton
-
SPB150-4000
SPB150-4000
In Stock
From
$2,222.22
Eaton
-

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.