Transcription of Molded Case Circuit Breaker Selectivity Guide
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Technical DataMolded Case Circuit Breaker Selectivity GuideBulletins 140G, 140 MGAdditional ResourcesThese documents contain additional information concerning related products from rockwell can view or download publications at To order paper copies of technical documentation, contact your local Allen-Bradley distributor or rockwell automation sales picPageIntroduction2 Selectivity2 How to Interpret the Selectivity Tables3 Selectivity : Line Side 140G MCCBs with Load Side Bul. 188-J MCBs, Trip Curves B and C4 Selectivity : Line Side 140G MCCBs with Load Side Bul. 188-J MCBs, Trip Curve D7 Selectivity : Line Side 140G MCCBs with Load Side Bul. 1492-SPM MCBs, Trip Curves B and C10 Selectivity : Line Side 140G MCCBs with Load Side Bul.
Rockwell Automation Publication 140G-TD050B -EN-P - November 2016 3 Molded Case Circuit Breaker Selectivity Guide • I cs — service breaking capacity: expressed as a percentage ratio of I cu and tells you the maximum short-circuit current if a circuit breaker can break three times and still resume normal service.
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