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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
WLS2F316PF
WLS2F316PF
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Siemens
1600
WLS2F316PG
WLS2F316PG
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Siemens
1600
WLS2F316PH
WLS2F316PH
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Siemens
1600
WLS2F316PJ
WLS2F316PJ
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Siemens
1600
WLS2F316PK
WLS2F316PK
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Siemens
1600
WLS2F316PL
WLS2F316PL
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Siemens
1600
WLS2F316PN
WLS2F316PN
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Siemens
1600
WLS2F316PP
WLS2F316PP
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Siemens
1600
WLS2F316PQ
WLS2F316PQ
Limited Stock
From
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Siemens
1600
WLS2F316PR
WLS2F316PR
Limited Stock
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Siemens
1600
WLS2F316PT
WLS2F316PT
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Siemens
1600
WLS2F316PU
WLS2F316PU
Limited Stock
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Siemens
1600
WLS2F316PW
WLS2F316PW
Limited Stock
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Siemens
1600
WLS2F316PY
WLS2F316PY
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Siemens
1600
WLS2F316Q
WLS2F316Q
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Siemens
1600
WLS2F316QA
WLS2F316QA
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Siemens
1600
WLS2F316QB
WLS2F316QB
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Siemens
1600
WLS2F316QD
WLS2F316QD
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Siemens
1600
WLS2F316QE
WLS2F316QE
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Siemens
1600
WLS2F316QF
WLS2F316QF
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Siemens
1600
WLS2F316QG
WLS2F316QG
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Siemens
1600
WLS2F316QH
WLS2F316QH
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Siemens
1600
WLS2F316QJ
WLS2F316QJ
Limited Stock
From
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Siemens
1600
WLS2F316QK
WLS2F316QK
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.