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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
SEDG32
SEDG32
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Square D
3200
SEDG35
SEDG35
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Square D
3500
SEDG35A2
SEDG35A2
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Square D
3500
SEDG35A4
SEDG35A4
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Square D
3500
SEDG35A8
SEDG35A8
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Schneider Electric
3500
SEDG35E1C1S1
SEDG35E1C1S1
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Schneider Electric
3500
SEDG35E1C1S1M2
SEDG35E1C1S1M2
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Square D
3500
SEDG35M2
SEDG35M2
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Schneider Electric
3500
SEDG35S1XA
SEDG35S1XA
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Schneider Electric
3500
SEDG40
SEDG40
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Schneider Electric
4000
SEDG40A2
SEDG40A2
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Square D
4000
SEDG40A4
SEDG40A4
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Square D
4000
SEDG40A8
SEDG40A8
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Schneider Electric
4000
SEDG40E1C1S1
SEDG40E1C1S1
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Square D
4000
SEDG40E1C1S1M2
SEDG40E1C1S1M2
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Schneider Electric
4000
SEDG40M2
SEDG40M2
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From
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Square D
4000
SEDG40S1XA
SEDG40S1XA
Limited Stock
From
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Square D
4000
SEF364000LSGS1A4Z
SEF364000LSGS1A4Z
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Schneider Electric
4000
SEFG04
SEFG04
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Square D
400
SEFG04A2
SEFG04A2
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Square D
400
SEFG04A4
SEFG04A4
Limited Stock
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Square D
400
SEFG04A8
SEFG04A8
Limited Stock
From
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Schneider Electric
400
SEFG04E1C1S1
SEFG04E1C1S1
Limited Stock
From
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Square D
400
SEFG04E1C1S1M2
SEFG04E1C1S1M2
Limited Stock
From
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Schneider Electric
400

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.