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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
WLS2F316EU
WLS2F316EU
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Siemens
1600
WLS2F316EW
WLS2F316EW
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Siemens
1600
WLS2F316EY
WLS2F316EY
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Siemens
1600
WLS2F316F
WLS2F316F
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Siemens
1600
WLS2F316FA
WLS2F316FA
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Siemens
1600
WLS2F316FB
WLS2F316FB
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Siemens
1600
WLS2F316FC
WLS2F316FC
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Siemens
1600
WLS2F316FD
WLS2F316FD
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Siemens
1600
WLS2F316FE
WLS2F316FE
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Siemens
1600
WLS2F316FF
WLS2F316FF
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Siemens
1600
WLS2F316FG
WLS2F316FG
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Siemens
1600
WLS2F316FH
WLS2F316FH
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Siemens
1600
WLS2F316FJ
WLS2F316FJ
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Siemens
1600
WLS2F316FK
WLS2F316FK
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Siemens
1600
WLS2F316FL
WLS2F316FL
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Siemens
1600
WLS2F316FN
WLS2F316FN
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Siemens
1600
WLS2F316FP
WLS2F316FP
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Siemens
1600
WLS2F316FQ
WLS2F316FQ
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Siemens
1600
WLS2F316FR
WLS2F316FR
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Siemens
1600
WLS2F316FT
WLS2F316FT
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Siemens
1600
WLS2F316FU
WLS2F316FU
Limited Stock
From
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Siemens
1600
WLS2F316FW
WLS2F316FW
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Siemens
1600
WLS2F316FY
WLS2F316FY
Limited Stock
From
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Siemens
1600
WLS2F316G
WLS2F316G
Limited Stock
From
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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.