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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
SPB65-3P-1200A-MO
SPB65-3P-1200A-MO
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Westinghouse
1200
SPB65-3P-1200A-MO-BO
SPB65-3P-1200A-MO-BO
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Westinghouse
1200
SPB65-3P-1600A-DO-LSIG
SPB65-3P-1600A-DO-LSIG
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Westinghouse
1600
SPB65-3P-1600A-MO-BO
SPB65-3P-1600A-MO-BO
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Westinghouse
1600
SPB65-3P-1600A-SO-LI
SPB65-3P-1600A-SO-LI
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Westinghouse
1600
SPB65-3P-2000A-DO
SPB65-3P-2000A-DO
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Westinghouse
2000
SPB65-3P-2000A-MO-DO
SPB65-3P-2000A-MO-DO
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Westinghouse
2000
SPBN
SPBN
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Westinghouse
1600
PCA22000
PCA22000
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Westinghouse
2000
PCA22000F
PCA22000F
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Westinghouse
2000
PCA22500
PCA22500
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Westinghouse
2500
PCA22500F
PCA22500F
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Westinghouse
2500
PCA23000
PCA23000
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Westinghouse
3000
PCA23000F
PCA23000F
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Westinghouse
3000
PCA32000
PCA32000
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Westinghouse
2000
PCA32500
PCA32500
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Westinghouse
2500
PCA33000
PCA33000
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Westinghouse
3000
PCCA21200
PCCA21200
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Westinghouse
1200
PCCA21400
PCCA21400
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Westinghouse
1400
PCCA21600
PCCA21600
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Westinghouse
1600
PCCA21800
PCCA21800
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Westinghouse
1800
PCCA22000
PCCA22000
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Westinghouse
2000
PCCA22000F
PCCA22000F
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Westinghouse
2000
PCCA22500
PCCA22500
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Westinghouse
2500

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.