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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
WLS2D316GT
WLS2D316GT
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Siemens
1600
WLS2D316GU
WLS2D316GU
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Siemens
1600
WLS2D316GW
WLS2D316GW
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Siemens
1600
WLS2D316GY
WLS2D316GY
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Siemens
1600
WLS2D316H
WLS2D316H
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Siemens
1600
WLS2D316HA
WLS2D316HA
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Siemens
1600
WLS2D316HB
WLS2D316HB
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Siemens
1600
WLS2D316HC
WLS2D316HC
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Siemens
1600
WLS2D316HD
WLS2D316HD
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Siemens
1600
WLS2D316HE
WLS2D316HE
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Siemens
1600
WLS2D316HF
WLS2D316HF
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Siemens
1600
WLS2D316HG
WLS2D316HG
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Siemens
1600
WLS2D316HH
WLS2D316HH
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Siemens
1600
WLS2D316HJ
WLS2D316HJ
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Siemens
1600
WLS2D316HK
WLS2D316HK
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Siemens
1600
WLS2D316HL
WLS2D316HL
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Siemens
1600
WLS2D316HN
WLS2D316HN
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Siemens
1600
WLS2D316HP
WLS2D316HP
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Siemens
1600
WLS2D316HQ
WLS2D316HQ
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Siemens
1600
WLS2D316HR
WLS2D316HR
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Siemens
1600
WLS2D316HT
WLS2D316HT
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Siemens
1600
WLS2D316HU
WLS2D316HU
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Siemens
1600
WLS2D316HW
WLS2D316HW
Limited Stock
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Siemens
1600
WLS2D316HY
WLS2D316HY
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.