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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
WLS2F316DP
WLS2F316DP
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Siemens
1600
WLS2F316DQ
WLS2F316DQ
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Siemens
1600
WLS2F316DR
WLS2F316DR
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Siemens
1600
WLS2F316DT
WLS2F316DT
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Siemens
1600
WLS2F316DU
WLS2F316DU
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Siemens
1600
WLS2F316DW
WLS2F316DW
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Siemens
1600
WLS2F316DY
WLS2F316DY
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Siemens
1600
WLS2F316E
WLS2F316E
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Siemens
1600
WLS2F316EA
WLS2F316EA
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Siemens
1600
WLS2F316EB
WLS2F316EB
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Siemens
1600
WLS2F316EC
WLS2F316EC
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Siemens
1600
WLS2F316ED
WLS2F316ED
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Siemens
1600
WLS2F316EE
WLS2F316EE
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Siemens
1600
WLS2F316EF
WLS2F316EF
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Siemens
1600
WLS2F316EG
WLS2F316EG
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Siemens
1600
WLS2F316EH
WLS2F316EH
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Siemens
1600
WLS2F316EJ
WLS2F316EJ
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Siemens
1600
WLS2F316EK
WLS2F316EK
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Siemens
1600
WLS2F316EL
WLS2F316EL
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Siemens
1600
WLS2F316EN
WLS2F316EN
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Siemens
1600
WLS2F316EP
WLS2F316EP
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Siemens
1600
WLS2F316EQ
WLS2F316EQ
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Siemens
1600
WLS2F316ER
WLS2F316ER
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Siemens
1600
WLS2F316ET
WLS2F316ET
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.