Eaton CUTTLER-HAMMER Arcflash Reduction Maintenance... Скачать руководство пользователя страница 19

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IL01906001E

For more information visit: www.EatonElectrical.com

Instructional Literature

Effective: May 2005

Page

Arcflash Reduction Maintenance Switch

Application and Installation

Notes:

Содержание CUTTLER-HAMMER Arcflash Reduction Maintenance...

Страница 1: ...th the closing springs charged Trip open the breaker and be sure the stored energy springs are discharged before performing any work The breaker may trip open or the charging springs may discharge cau...

Страница 2: ...t currents that flow through the circuit breaker associated with the Arcflash Reduction Mainte nance Switch This setting choice normally does not change unless there are future system modifications th...

Страница 3: ...12 16 kA 10 pickup range of 10 94 to 13 38 kA 3 Setting 5 9 1600 A 9 44 kA 10 pickup range of 8 50 to 10 38 kA 4 Setting 4 0 1600 A 6 40 kA 10 pickup range of 5 76 to 7 04 kA 5 Setting 2 5 1600 A 4 00...

Страница 4: ...T 7 SDPU 6 9600A SDT 0 2 I 2 T Out Manufacturer CUTLER HAMMER Description Digitrip RMS 510 910 Frame Model 1600 A Sensor Trip 1600 0 A Plug 1600 0 A Settings Phase LDPU 1 1600A LDT 7 SDPU 6 9600A SDT...

Страница 5: ...it Kit A Trip the breaker and remove it from the cell Move the breaker to a clean well lit work area Note It is the responsibility of the installer to insure that the breaker and all original componen...

Страница 6: ...efore 06 05 P N 256P726H04 follow the procedures detailed in Appendix A to install an updated DS Interface Board See Fig ure 5 to help identify which DS Interface Board is installed in the breaker Fig...

Страница 7: ...nance Switch Components Installed on a Non DS Breaker Note The Arcflash Reduction Maintenance Switch can be installed on any Retrofitted breaker using an Eaton 10 series Digitrip trip unit 510 610 810...

Страница 8: ...er Each installation of the Arcflash Reduction Maintenance Switch mode selector switch indicator light and battery holder may vary due to the type of breaker type of cell or components options mounted...

Страница 9: ...that the harness connecting the mode selector switch to the indicator light is short so the indicator light must be installed in close proximity to the mode selector switch Mark the center of the moun...

Страница 10: ...rface D Using the battery holder as a template mark then drill four 4 0 109 holes in the mounting surface to accept the battery holder mounting screws Figure 17 Marking the Battery Holder Mounting Hol...

Страница 11: ...y with the indicator light housing The con tact block assembly is self locking Insert the contact block assembly into the indicator light until the locking click is heard Ensure it is locked into plac...

Страница 12: ...on to the RSM making sure it is away from any moving parts within the breaker In routing the harness be sure to leave a service loop in the harness to facilitate racking the breaker in to and out of t...

Страница 13: ...ce and away from any moving parts within the breaker F For more information on the RSM wiring and additional cus tomer connections refer to the wiring and connections draw ing Figure 29 G Disconnect t...

Страница 14: ...evice clear all newly installed components and harnesses Step 4 Activating the RSM A To activate the RSM turn the mode selector switch to the Maintenance Mode position Close the LOTO cover then follow...

Страница 15: ...variety of breakers with which the Arcflash Reduction Maintenance Switch Installation can be used some excess hardware may remain when the Arcflash Reduction Maintenance Switch Retrofit is complete SE...

Страница 16: ...the 2 112 40 0 25 thread cutting pan head screws supplied B Note the connection point of each harness to the DS Interface Board positions P1 through P10 Mark each harness for reconnection later in th...

Страница 17: ...it Mounting Frame Figure 34 New DS Interface Board Installed on the Trip Unit Mounting Frame G Using the remaining screws spacers and lock nuts removed in Step D or the supplied 112 40 hardware secure...

Страница 18: ...erature Page 18 Effective May 2005 Arcflash Reduction Maintenance Switch Application and Installation Appendix B Sample Text Data Sheet SETTING MULT PICKUP R1 9 8 X R2 7 6 X R3 5 9 X R4 4 0 X R5 2 5 X...

Страница 19: ...IL01906001E For more information visit www EatonElectrical com Instructional Literature Effective May 2005 Page 19 Arcflash Reduction Maintenance Switch Application and Installation Notes...

Страница 20: ...d to be all inclusive or cover ing all contingencies If further information is required Eaton should be consulted NO WARRANTIES EXPRESSED OR IMPLIED INCLUDING WAR RANTIES OF FITNESS FOR A PARTICULAR P...