Eaton ATC-900 Operation And Maintenance Manual

Also see for ATC-900: Instruction booklet Operation and maintenance manual Manual Instruction booklet Operation and maintenance manual

IB140012EN For more information visit: www.eaton.comInstructional BookletEffective: March 2021 Page 45Operation and Maintenance Manual,Automatic Transfer Switch Controller, ATC-900Appendix C: Operational Flowcharts• Open Delayed Transition (Contactor, MCCB, Power)• Open In-Phase Transition (Contactor, Power)• Closed Transition (Contactor, Power)• The use of TDND, TDNR, TDED, and TDER timers.Note: These flowcharts refer to “breaker” or “contactor.”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³(QJLQH6WDUW´VLJQDOGHDFWXDWHJHQVWDUWUHOD\6HQG³(QJLQH6WDUW´VLJQDODFWXDWHJHQVWDUWUHOD\1R 1R1RWHVDSSOLFDEOHIRUFRQWDFWRUW\SHDQGSRZHUIUDPHWUDQVIHUVZLWFKHVZLWKVXSSRUWIRUWLPHGHOD\LQORDGGLVFRQQHFW ³QHXWUDO´ SRVLWLRQDSSOLFDEOHIRUPROGHGFDVHW\SHWUDQVIHUVZLWFKHV