Molded Case Circuit Breakers (MCCBs)
EZ Selectors are available to simplify selection of PowerPact molded case circuit breakers from 15A - 600A. They provide a quick and easy way to determine catalog number(s) for standard distribution applications
Overview of the MCCB Breaker Family
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Thermal-Magnetic |
Thermal-Magnetic and Electronic |
Thermal-Magnetic and Electronic |
Electronic |
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Unit Mount
I-Line
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Unit Mount
I-Line
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Unit Mount
I-Line
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Unit Mount
I-Line
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Useful Links
Video: How to use this EZ Selector
Overview of Breaker Ratings, Frames, and More
Frequently Asked Questions
FA367787 - What breakers can be chosen using this EZ selector?
FA87668 - Where can I get drawings and other data for circuit breakers?
FA90779 - What is the meaning of LI, LSI, and LSIG?
FA367797 - What is the difference in Unit Mount and I-Line Circuit Breakers?
FA101919 - What is the difference between a shunt trip and an undervoltage trip?
Or check out all our Frequently Asked Questions on our Knowledge Base and find answers to thousands of questions in seconds.
DigestPLUS Online Catalog
Section 7 - Miniature and Molded Case Circuit Breakers
Section 9 - Panelboards – includes I Line circuit breakers
Catalogs & Other Links
B-Frame Catalog and Video
Cross Reference Tool - find Schneider Electric equivalents for many obsolete and competitor products.
Selecting a PowerPact Circuit Breaker
Helpful Definitions
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Trip Functionality |
Description |
Breaker Frames |
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Thermal-Magnetic |
Contain individual thermal (overload) and instantaneous (short circuit) sensing elements in each pole. |
B-, H-, J-Frame |
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Electronic Micrologic (Standard) |
Provide adjustable protection settings for greater system flexibility (LI, LSI, LSIG) |
H-, J-, L-Frame |
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Electronic Micrologic (Advanced) |
Adjustable protection setting with type A (ammeter) or E (energy) metering functions as well as communication capability. |
H-, J-, L-Frame |