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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
SPB100-2500
SPB100-2500
In Stock
From
$6,500.00
Eaton
2500
SPB100-2000A
SPB100-2000A
In Stock
From
$2.22
Eaton
2000
SPB100-3000-FC
SPB100-3000-FC
In Stock
From
$2,444.44
Eaton
3000
SPB100-400
SPB100-400
In Stock
From
$1,803.32
Eaton
400
MDN84N3LEA
MDN84N3LEA
In Stock
From
Get Price
Eaton
4000
SBS6083HEA
SBS6083HEA
In Stock
From
$917.03
Eaton
-
SBS6303HEA
SBS6303HEA
In Stock
From
$15,000.00
Eaton
3000
SBS6303HEA-EOK
SBS6303HEA-EOK
In Stock
From
$7,421.81
Eaton
3000
SBS6303VEA
SBS6303VEA
In Stock
From
$996.83
Eaton
3000
MCOVC
MCOVC
In Stock
From
$603.20
Eaton
-
MD403UADNSNNNWC
MD403UADNSNNNWC
In Stock
From
$26.11
Eaton
-
SBS6123WEA
SBS6123WEA
In Stock
From
$856.98
Eaton
-
SBS6124WEA
SBS6124WEA
In Stock
From
$1,473.75
Eaton
-
SBS616WEA
SBS616WEA
In Stock
From
$1,977.78
Eaton
-
SBS6203WEA
SBS6203WEA
In Stock
From
$4,444.44
Eaton
-
SBS6204WEA
SBS6204WEA
In Stock
From
$0.14
Eaton
-
SBSC123HEA
SBSC123HEA
In Stock
From
$1,369.71
Eaton
-
SBSC5N3HEA
SBSC5N3HEA
In Stock
From
$1,395.98
Eaton
-
50VCP-W250
50VCP-W250
In Stock
From
$13,398.87
Eaton
-
DS416
DS416
In Stock
From
$784.71
Eaton
-
DSII-632
DSII-632
In Stock
From
$1,666.67
Eaton
-
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
-

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.