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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
WLS2D316FN
WLS2D316FN
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Siemens
1600
WLS2D316FP
WLS2D316FP
Limited Stock
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Siemens
1600
WLS2D316FQ
WLS2D316FQ
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Siemens
1600
WLS2D316FR
WLS2D316FR
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Siemens
1600
WLS2D316FT
WLS2D316FT
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Siemens
1600
WLS2D316FU
WLS2D316FU
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Siemens
1600
WLS2D316FW
WLS2D316FW
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Siemens
1600
WLS2D316FY
WLS2D316FY
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Siemens
1600
WLS2D316G
WLS2D316G
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Siemens
1600
WLS2D316GA
WLS2D316GA
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Siemens
1600
WLS2D316GB
WLS2D316GB
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Siemens
1600
WLS2D316GC
WLS2D316GC
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Siemens
1600
WLS2D316GD
WLS2D316GD
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Siemens
1600
WLS2D316GE
WLS2D316GE
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Siemens
1600
WLS2D316GF
WLS2D316GF
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Siemens
1600
WLS2D316GG
WLS2D316GG
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Siemens
1600
WLS2D316GH
WLS2D316GH
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Siemens
1600
WLS2D316GJ
WLS2D316GJ
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Siemens
1600
WLS2D316GK
WLS2D316GK
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Siemens
1600
WLS2D316GL
WLS2D316GL
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Siemens
1600
WLS2D316GN
WLS2D316GN
Limited Stock
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Siemens
1600
WLS2D316GP
WLS2D316GP
Limited Stock
From
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Siemens
1600
WLS2D316GQ
WLS2D316GQ
Limited Stock
From
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Siemens
1600
WLS2D316GR
WLS2D316GR
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.