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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
WLH1D316EQ
WLH1D316EQ
Limited Stock
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Siemens
1600
WLH1D316ER
WLH1D316ER
Limited Stock
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Siemens
1600
WLH1D316ET
WLH1D316ET
Limited Stock
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Siemens
1600
WLH1D316EU
WLH1D316EU
Limited Stock
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Siemens
1600
WLH1D316EV
WLH1D316EV
Limited Stock
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Siemens
1600
WLH1D316EW
WLH1D316EW
Limited Stock
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Siemens
1600
WLH1D316EY
WLH1D316EY
Limited Stock
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Siemens
1600
WLH1D316F
WLH1D316F
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Siemens
1600
WLH1D316FA
WLH1D316FA
Limited Stock
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Siemens
1600
WLH1D316FB
WLH1D316FB
Limited Stock
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Siemens
1600
WLH1D316FD
WLH1D316FD
Limited Stock
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Siemens
1600
WLH1D316FE
WLH1D316FE
Limited Stock
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Siemens
1600
WLH1D316FF
WLH1D316FF
Limited Stock
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Siemens
1600
WLH1D316FG
WLH1D316FG
Limited Stock
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Siemens
1600
WLH1D316FH
WLH1D316FH
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Siemens
1600
WLH1D316FJ
WLH1D316FJ
Limited Stock
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Siemens
1600
WLH1D316FK
WLH1D316FK
Limited Stock
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Siemens
1600
WLH1D316FL
WLH1D316FL
Limited Stock
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Siemens
1600
WLH1D316FN
WLH1D316FN
Limited Stock
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Siemens
1600
WLH1D316FP
WLH1D316FP
Limited Stock
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Siemens
1600
WLH1D316FQ
WLH1D316FQ
Limited Stock
From
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Siemens
1600
WLH1D316FR
WLH1D316FR
Limited Stock
From
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Siemens
1600
WLH1D316FT
WLH1D316FT
Limited Stock
From
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Siemens
1600
WLH1D316FU
WLH1D316FU
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.