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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.
SORT BY
Part Number
PRICE
Manufacturer
Amperage
DSII-632
DSII-632
In Stock
From
$1,666.67
Eaton
-
E3HA25
E3HA25
In Stock
From
$1,176.42
ABB
-
GAUX8R
GAUX8R
In Stock
From
$606.17
General Electric
-
M1D1DHXPC1U0CSDUL
M1D1DHXPC1U0CSDUL
Limited Stock
From
Get Price
Siemens
1600
MN323PANN
MN323PANN
In Stock
From
$0.02
Eaton
-
MN403PANN
MN403PANN
In Stock
From
$0.02
Eaton
-
PA32000F-2000
PA32000F-2000
In Stock
From
$666.67
Eaton
-
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
-
SECD12S1
SECD12S1
In Stock
From
$0.02
Square D
-
SECDG08
SECDG08
In Stock
From
$0.02
Square D
-
SED08B2
SED08B2
In Stock
From
$314.04
Square D
-
SED16B2
SED16B2
In Stock
From
$471.07
Square D
-
SED25E1S1T1G2
SED25E1S1T1G2
In Stock
From
$471.07
Square D
-
SED3051R4
SED3051R4
In Stock
From
$142.87
Square D
-
SED361200LSS1A8
SED361200LSS1A8
In Stock
From
$113.80
Square D
-
SED361200LSS2A8
SED361200LSS2A8
In Stock
From
$27.78
Square D
-
SED364000LSS1A8
SED364000LSS1A8
In Stock
From
$1,570.22
Square D
-
SHF3G6X2W000000
SHF3G6X2W000000
In Stock
From
$13,373.87
ABB
-
SPB65-3P-2000C-MO-BO-LIS51LI
SPB65-3P-2000C-MO-BO-LIS51LI
In Stock
From
$11.11
Eaton
-
SSB5G8X3240000
SSB5G8X3240000
In Stock
From
$16,993.44
General Electric
-
SSF1G3X2N000000
SSF1G3X2N000000
In Stock
From
$7,018.54
General Electric
-
SSF4G7X31000000
SSF4G7X31000000
In Stock
From
$23,647.16
General Electric
-

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.