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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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Amperage
WLL2D325PD
WLL2D325PD
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2500
WLL2D325PE
WLL2D325PE
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2500
WLL2D325PF
WLL2D325PF
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2500
WLL2D325PG
WLL2D325PG
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2500
WLL2D325PH
WLL2D325PH
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2500
WLL2D325PJ
WLL2D325PJ
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Siemens
2500
WLL2D325PK
WLL2D325PK
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2500
WLL2D325PL
WLL2D325PL
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2500
WLL2D325PN
WLL2D325PN
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Siemens
2500
WLL2D325PP
WLL2D325PP
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Siemens
2500
WLL2D325PQ
WLL2D325PQ
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Siemens
2500
WLL2D325PR
WLL2D325PR
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Siemens
2500
WLL2D325PT
WLL2D325PT
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Siemens
2500
WLL2D325PU
WLL2D325PU
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Siemens
2500
WLL2D325PW
WLL2D325PW
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Siemens
2500
WLL2D325PY
WLL2D325PY
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Siemens
2500
WLL2D325Q
WLL2D325Q
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Siemens
2500
WLL2D325QA
WLL2D325QA
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Siemens
2500
WLL2D325QB
WLL2D325QB
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Siemens
2500
WLL2D325QC
WLL2D325QC
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Siemens
2500
WLL2D325QD
WLL2D325QD
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Siemens
2500
WLL2D325QE
WLL2D325QE
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Siemens
2500
WLL2D325QF
WLL2D325QF
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Siemens
2500
WLL2D325QG
WLL2D325QG
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Siemens
2500

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.