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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
WLL2F316CE
WLL2F316CE
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Siemens
1600
WLL2F316CF
WLL2F316CF
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Siemens
1600
WLL2F316CG
WLL2F316CG
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Siemens
1600
WLL2F316CH
WLL2F316CH
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Siemens
1600
WLL2F316CJ
WLL2F316CJ
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Siemens
1600
WLL2F316CK
WLL2F316CK
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Siemens
1600
WLL2F316CL
WLL2F316CL
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Siemens
1600
WLL2F316CN
WLL2F316CN
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Siemens
1600
WLL2F316CP
WLL2F316CP
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Siemens
1600
WLL2F316CQ
WLL2F316CQ
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Siemens
1600
WLL2F316CR
WLL2F316CR
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Siemens
1600
WLL2F316CT
WLL2F316CT
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Siemens
1600
WLL2F316CU
WLL2F316CU
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Siemens
1600
WLL2F316CW
WLL2F316CW
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Siemens
1600
WLL2F316CY
WLL2F316CY
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Siemens
1600
WLL2F316D
WLL2F316D
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Siemens
1600
WLL2F316DA
WLL2F316DA
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Siemens
1600
WLL2F316DB
WLL2F316DB
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Siemens
1600
WLL2F316DC
WLL2F316DC
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Siemens
1600
WLL2F316DD
WLL2F316DD
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Siemens
1600
WLL2F316DE
WLL2F316DE
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Siemens
1600
WLL2F316DF
WLL2F316DF
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Siemens
1600
WLL2F316DG
WLL2F316DG
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Siemens
1600
WLL2F316DH
WLL2F316DH
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Siemens
1600

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.