Eaton AQB-L400 Instructions For Use Manual

Page4EatonMoon Township, Pennsylvania U.S.A.Style No. 69C0670H02 Effective October 1997 Printed in U.S.A./CCII.L. 15578AI.L. 15578AFile 29-000Instructions for Use of Eaton Adapter Kit and Navy Type AQBL400 MoldedCase Circuit Breaker Combination in AQB-LF400 ApplicationsA WARNINGDO NOT ATTEMPT TO INSTALL OR PERFORM MAINTENANCE ON EQUIPMENT WHILE IT IS ENERGIZED.DEATH, SEVERE PERSONAL INJURY, OR SUBSTANTIAL PROPERTY DAMAGE CAN RESULT FROM CONTACT WITH ENERGIZED EQUIPMENT. ALWAYSVERIFY THAT NO VOLTAGE IS PRESENT BEFOREPROCEEDING WITH THE TASK, AND ALWAYS FOLLOW GENERALLY ACCEPTED SAFET Y PROCEDURES.EATON IS NOT LIABLE FOR THE MISAPP LICATIONOR MISINSTALLATION OF ITS PRODU CTS.The user is cautioned to observe all recommendations,warnings, and cautions relating to the safety of personneland equipment, as well as all general and local healthand safety laws, codes, and procedures.The recommendations and information contained hereinare based on Eaton experience and judgement, butshould not be considered to be all inclusive or coveringevery application or circumstance which may arise. If anyquestions arise, contact Eaton for further information orinstructions.Fig. 1-1 Standard Navy Type AQB-L400 Molded CaseCircuit BreakerEffective October 1997 Supersedes I .L. 1557B dated June 1992PART 1. INTRODUCTIONGeneral InformationThe Navy Type AQB-L400 or AQB-LL400 circuitbreakers (Figure 1-1), when supplied with a factoryinstalled Eaton AQB-L400 Adapter Kit (Figures 1-2 and1-3), can be installed directly into Navy Type AQB-LF400applications. This combination of an AQB-L400/LL400circuit breaker and the Eaton Adapter Kit provides adirect one to one current limiting type L400 circuitbreaker replacement for an already installed fused typeLF400 circuit breaker. Existing AQB-L400/LL400 circuitbreakers in the field (manufactured prior to August, 1992)may need a factory modification to accept the AdapterKit. Contact Eaton for details, if there are any questions.Fig. 1-2. Navy Type AQB-L400 Molded Case CircuitBreaker with Adapter Kit Factory InstalledFig. 1-3. Eaton Adapter Kit Parts BeforeInstallation

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