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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
WLH1F316DA
WLH1F316DA
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Siemens
1600
WLH1F316DB
WLH1F316DB
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Siemens
1600
WLH1F316DD
WLH1F316DD
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Siemens
1600
WLH1F316DE
WLH1F316DE
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Siemens
1600
WLH1F316DF
WLH1F316DF
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Siemens
1600
WLH1F316DG
WLH1F316DG
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Siemens
1600
WLH1F316DH
WLH1F316DH
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Siemens
1600
WLH1F316DJ
WLH1F316DJ
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Siemens
1600
WLH1F316DK
WLH1F316DK
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Siemens
1600
WLH1F316DL
WLH1F316DL
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Siemens
1600
WLH1F316DN
WLH1F316DN
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Siemens
1600
WLH1F316DP
WLH1F316DP
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Siemens
1600
WLH1F316DQ
WLH1F316DQ
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Siemens
1600
WLH1F316DR
WLH1F316DR
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Siemens
1600
WLH1F316DT
WLH1F316DT
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Siemens
1600
WLH1F316DU
WLH1F316DU
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Siemens
1600
WLH1F316DV
WLH1F316DV
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Siemens
1600
WLH1F316DW
WLH1F316DW
Limited Stock
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Siemens
1600
WLH1F316DY
WLH1F316DY
Limited Stock
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Siemens
1600
WLH1F316E
WLH1F316E
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Siemens
1600
WLH1F316EA
WLH1F316EA
Limited Stock
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Siemens
1600
WLH1F316EB
WLH1F316EB
Limited Stock
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Siemens
1600
WLH1F316ED
WLH1F316ED
Limited Stock
From
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Siemens
1600
WLH1F316EE
WLH1F316EE
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.