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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
WLH1F308CF
WLH1F308CF
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Siemens
800
WLH1F308CG
WLH1F308CG
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Siemens
800
WLH1F308CH
WLH1F308CH
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Siemens
800
WLH1F308CJ
WLH1F308CJ
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Siemens
800
WLH1F308CK
WLH1F308CK
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Siemens
800
WLH1F308CL
WLH1F308CL
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Siemens
800
WLH1F308CN
WLH1F308CN
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Siemens
800
WLH1F308CP
WLH1F308CP
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Siemens
800
WLH1F308CQ
WLH1F308CQ
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Siemens
800
WLH1F308CR
WLH1F308CR
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Siemens
800
WLH1F308CT
WLH1F308CT
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Siemens
800
WLH1F308CU
WLH1F308CU
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Siemens
800
WLH1F308CV
WLH1F308CV
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Siemens
800
WLH1F308CW
WLH1F308CW
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Siemens
800
WLH1F308CY
WLH1F308CY
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Siemens
800
WLH1F308D
WLH1F308D
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Siemens
800
WLH1F308DA
WLH1F308DA
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Siemens
800
WLH1F308DB
WLH1F308DB
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Siemens
800
WLH1F308DC
WLH1F308DC
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Siemens
800
WLH1F308DD
WLH1F308DD
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Siemens
800
WLH1F308DE
WLH1F308DE
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Siemens
800
WLH1F308DF
WLH1F308DF
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Siemens
800
WLH1F308DG
WLH1F308DG
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Siemens
800
WLH1F308DH
WLH1F308DH
Limited Stock
From
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Siemens
800

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.