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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
WLL2F316HA
WLL2F316HA
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Siemens
1600
WLL2F316HB
WLL2F316HB
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Siemens
1600
WLL2F316HC
WLL2F316HC
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Siemens
1600
WLL2F316HD
WLL2F316HD
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Siemens
1600
WLL2F316HE
WLL2F316HE
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Siemens
1600
WLL2F316HF
WLL2F316HF
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Siemens
1600
WLL2F316HG
WLL2F316HG
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Siemens
1600
WLL2F316HH
WLL2F316HH
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Siemens
1600
WLL2F316HJ
WLL2F316HJ
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Siemens
1600
WLL2F316HK
WLL2F316HK
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Siemens
1600
WLL2F316HL
WLL2F316HL
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Siemens
1600
WLL2F316HN
WLL2F316HN
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Siemens
1600
WLL2F316HP
WLL2F316HP
Limited Stock
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Siemens
1600
WLL2F316HQ
WLL2F316HQ
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Siemens
1600
WLL2F316HR
WLL2F316HR
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Siemens
1600
WLL2F316HT
WLL2F316HT
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Siemens
1600
WLL2F316HU
WLL2F316HU
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Siemens
1600
WLL2F316HW
WLL2F316HW
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Siemens
1600
WLL2F316HY
WLL2F316HY
Limited Stock
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Siemens
1600
WLL2F316J
WLL2F316J
Limited Stock
From
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Siemens
1600
WLL2F316JA
WLL2F316JA
Limited Stock
From
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Siemens
1600
WLL2F316JB
WLL2F316JB
Limited Stock
From
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Siemens
1600
WLL2F316JC
WLL2F316JC
Limited Stock
From
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Siemens
1600
WLL2F316JD
WLL2F316JD
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.