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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
CMAF36020S
CMAF36020S
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Schneider Electric
2000
CMAF36025S
CMAF36025S
Limited Stock
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Merlin Gerin
2500
CMAFE36016S
CMAFE36016S
Limited Stock
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Merlin Gerin
1600
CMAFE36020S
CMAFE36020S
Limited Stock
From
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Merlin Gerin
2000
CMAFE36025S
CMAFE36025S
Limited Stock
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Schneider Electric
2500
CMAFE36032S
CMAFE36032S
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Merlin Gerin
3200
CMAFE36125LI
CMAFE36125LI
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Merlin Gerin
1250
CMAFE36160LI
CMAFE36160LI
Limited Stock
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Merlin Gerin
1600
CMAFE36200LI
CMAFE36200LI
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From
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Merlin Gerin
2000
CMAFE36250LI
CMAFE36250LI
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Merlin Gerin
2500
CMAFE36320LI
CMAFE36320LI
Limited Stock
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Merlin Gerin
3200
CMAFE46016S
CMAFE46016S
Limited Stock
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Merlin Gerin
1600
CMAFE46016SDH
CMAFE46016SDH
Limited Stock
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Merlin Gerin
1600
CMAFE46020S
CMAFE46020S
Limited Stock
From
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Schneider Electric
2000
CMAFE46020SDH
CMAFE46020SDH
Limited Stock
From
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Merlin Gerin
2000
CMAFE46025S
CMAFE46025S
Limited Stock
From
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Merlin Gerin
2500
CMAFE46025SDH
CMAFE46025SDH
Limited Stock
From
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Merlin Gerin
2500
CMAFE46125LI
CMAFE46125LI
Limited Stock
From
Get Price
Merlin Gerin
1250
CMAFE46160LI
CMAFE46160LI
Limited Stock
From
Get Price
Schneider Electric
1600
CMAFE46200LI
CMAFE46200LI
Limited Stock
From
Get Price
Merlin Gerin
2000
CMAFE46250LI
CMAFE46250LI
Limited Stock
From
Get Price
Schneider Electric
2500
CMEF36125LI
CMEF36125LI
Limited Stock
From
Get Price
Merlin Gerin
1250
CMEF36160LI
CMEF36160LI
Limited Stock
From
Get Price
Merlin Gerin
1600
CMEF36200LI
CMEF36200LI
Limited Stock
From
Get Price
Merlin Gerin
2000

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.