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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
WLS2D316RG
WLS2D316RG
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Siemens
1600
WLS2D316RH
WLS2D316RH
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Siemens
1600
WLS2D316RJ
WLS2D316RJ
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Siemens
1600
WLS2D316RK
WLS2D316RK
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Siemens
1600
WLS2D316RL
WLS2D316RL
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Siemens
1600
WLS2D316RN
WLS2D316RN
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Siemens
1600
WLS2D316RP
WLS2D316RP
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Siemens
1600
WLS2D316RQ
WLS2D316RQ
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Siemens
1600
WLS2D316RR
WLS2D316RR
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Siemens
1600
WLS2D316RT
WLS2D316RT
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Siemens
1600
WLS2D316RU
WLS2D316RU
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Siemens
1600
WLS2D316RW
WLS2D316RW
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Siemens
1600
WLS2D316RY
WLS2D316RY
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Siemens
1600
WLS2D316T
WLS2D316T
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Siemens
1600
WLS2D316TA
WLS2D316TA
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Siemens
1600
WLS2D316TB
WLS2D316TB
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Siemens
1600
WLS2D316TD
WLS2D316TD
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Siemens
1600
WLS2D316TE
WLS2D316TE
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Siemens
1600
WLS2D316TF
WLS2D316TF
Limited Stock
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Siemens
1600
WLS2D316TG
WLS2D316TG
Limited Stock
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Siemens
1600
WLS2D316TH
WLS2D316TH
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Siemens
1600
WLS2D316TJ
WLS2D316TJ
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Siemens
1600
WLS2D316TK
WLS2D316TK
Limited Stock
From
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Siemens
1600
WLS2D316TL
WLS2D316TL
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.