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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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Amperage
WLS2D320C
WLS2D320C
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Siemens
2000
WLS2D320CA
WLS2D320CA
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2000
WLS2D320CB
WLS2D320CB
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Siemens
2000
WLS2D320CC
WLS2D320CC
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Siemens
2000
WLS2D320CD
WLS2D320CD
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Siemens
2000
WLS2D320CE
WLS2D320CE
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Siemens
2000
WLS2D320CF
WLS2D320CF
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Siemens
2000
WLS2D320CG
WLS2D320CG
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Siemens
2000
WLS2D320CH
WLS2D320CH
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Siemens
2000
WLS2D320CJ
WLS2D320CJ
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Siemens
2000
WLS2D320CK
WLS2D320CK
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Siemens
2000
WLS2D320CL
WLS2D320CL
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Siemens
2000
WLS2D320CN
WLS2D320CN
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Siemens
2000
WLS2D320CP
WLS2D320CP
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Siemens
2000
WLS2D320CQ
WLS2D320CQ
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Siemens
2000
WLS2D320CR
WLS2D320CR
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Siemens
2000
WLS2D320CT
WLS2D320CT
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Siemens
2000
WLS2D320CU
WLS2D320CU
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Siemens
2000
WLS2D320CW
WLS2D320CW
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Siemens
2000
WLS2D320CY
WLS2D320CY
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Siemens
2000
WLS2D320D
WLS2D320D
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Siemens
2000
WLS2D320DA
WLS2D320DA
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Siemens
2000
WLS2D320DB
WLS2D320DB
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Siemens
2000
WLS2D320DC
WLS2D320DC
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Siemens
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.