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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
WLS2F320GA
WLS2F320GA
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Siemens
2000
WLS2F320GB
WLS2F320GB
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2000
WLS2F320GC
WLS2F320GC
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2000
WLS2F320GD
WLS2F320GD
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2000
WLS2F320GE
WLS2F320GE
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2000
WLS2F320GG
WLS2F320GG
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2000
WLS2F320GH
WLS2F320GH
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2000
WLS2F320GJ
WLS2F320GJ
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2000
WLS2F320GK
WLS2F320GK
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Siemens
2000
WLS2F320GL
WLS2F320GL
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Siemens
2000
WLS2F320GN
WLS2F320GN
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Siemens
2000
WLS2F320GP
WLS2F320GP
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Siemens
2000
WLS2F320GQ
WLS2F320GQ
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Siemens
2000
WLS2F320GR
WLS2F320GR
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Siemens
2000
WLS2F320GT
WLS2F320GT
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Siemens
2000
WLS2F320GU
WLS2F320GU
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Siemens
2000
WLS2F320GW
WLS2F320GW
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Siemens
2000
WLS2F320GY
WLS2F320GY
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Siemens
2000
WLS2F320H
WLS2F320H
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Siemens
2000
WLS2F320HA
WLS2F320HA
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Siemens
2000
WLS2F320HB
WLS2F320HB
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Siemens
2000
WLS2F320HC
WLS2F320HC
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Siemens
2000
WLS2F320HD
WLS2F320HD
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Siemens
2000
WLS2F320HE
WLS2F320HE
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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.