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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.
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Part Number
PRICE
Manufacturer
Amperage
PB32500F-2000
PB32500F-2000
In Stock
From
$297.78
Eaton
-
SBSC123HEA125GNMNNNE
SBSC123HEA125GNMNNNE
In Stock
From
$44.44
Eaton
-
SBSC304WEA
SBSC304WEA
In Stock
From
$1,977.78
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
-
DS416H
DS416H
In Stock
From
$1,186.67
Eaton
-
MDN6083XEA081GNMNNNNNNNAX
MDN6083XEA081GNMNNNNNNNAX
In Stock
From
$14,565.28
Eaton
-
MDS6303FEA
MDS6303FEA
In Stock
From
$6,666.67
Eaton
-
MDS8203VEA-NA
MDS8203VEA-NA
In Stock
From
$534.98
Eaton
-
MDSC083VEA
MDSC083VEA
In Stock
From
$1,666.67
Eaton
-
SBSC16
SBSC16
In Stock
From
$4,000.00
Eaton
-
SPB100-2500A
SPB100-2500A
In Stock
From
$1,333.33
Eaton
-
SPB150-4000
SPB150-4000
In Stock
From
$2,222.22
Eaton
-
SPBN-3000
SPBN-3000
In Stock
From
$0.02
Eaton
-
MN323UADNSNNNWB
MN323UADNSNNNWB
In Stock
From
Get Price
Eaton
-
SBS6303WEA301CANAN6YCNNAX
SBS6303WEA301CANAN6YCNNAX
In Stock
From
Get Price
Eaton
3000
SPB100M-3000A
SPB100M-3000A
In Stock
From
Get Price
Eaton
-
MDS4083WEA0552ANAN4YNYNAX
MDS4083WEA0552ANAN4YNYNAX
Limited Stock
From
Get Price
Eaton
800
MDS4083WEA0652ANAN4YNYNAX
MDS4083WEA0652ANAN4YNYNAX
Limited Stock
From
Get Price
Eaton
800
MDS6083WEA061FHKHN4YNNNAX
MDS6083WEA061FHKHN4YNNNAX
Limited Stock
From
Get Price
Cutler Hammer
800
MDS6083WEA0652NMNN2YNANAX
MDS6083WEA0652NMNN2YNANAX
Limited Stock
From
Get Price
Eaton
800
MDS6083WEA08CHCNAN2YNNNAX
MDS6083WEA08CHCNAN2YNNNAX
Limited Stock
From
Get Price
Cutler Hammer
800

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.