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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
WLS2F320BE
WLS2F320BE
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2000
WLS2F320BF
WLS2F320BF
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2000
WLS2F320BG
WLS2F320BG
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2000
WLS2F320BH
WLS2F320BH
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2000
WLS2F320BJ
WLS2F320BJ
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2000
WLS2F320BK
WLS2F320BK
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2000
WLS2F320BL
WLS2F320BL
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2000
WLS2F320BN
WLS2F320BN
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2000
WLS2F320BP
WLS2F320BP
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2000
WLS2F320BQ
WLS2F320BQ
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2000
WLS2F320BR
WLS2F320BR
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2000
WLS2F320BT
WLS2F320BT
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2000
WLS2F320BU
WLS2F320BU
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Siemens
2000
WLS2F320BW
WLS2F320BW
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2000
WLS2F320BY
WLS2F320BY
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2000
WLS2F320C
WLS2F320C
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2000
WLS2F320CA
WLS2F320CA
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2000
WLS2F320CB
WLS2F320CB
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Siemens
2000
WLS2F320CC
WLS2F320CC
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Siemens
2000
WLS2F320CD
WLS2F320CD
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Siemens
2000
WLS2F320CE
WLS2F320CE
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Siemens
2000
WLS2F320CF
WLS2F320CF
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2000
WLS2F320CG
WLS2F320CG
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Siemens
2000
WLS2F320CH
WLS2F320CH
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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.