Eaton NOVA STS-27 - Safety For Life; Safety Information and Instructions

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INSTALLATION AND OPERATION INSTRUCTIONS MN280046EN May 2016
Contents
DISCLAIMER OF WARRANTIES AND LIMITATION OF LIABILITY ....................................I
SAFETY FOR LIFE .........................................................................IV
SAFETY INFORMATION ....................................................................IV
Safety instructions .............................................................................. iv
PRODUCT INFORMATION ................................................................... 1
Introduction ....................................................................................1
Acceptance and initial inspection ...................................................................1
Handling and storage .............................................................................1
Standards .....................................................................................1
Description ....................................................................................1
RATINGS AND SPECIFICATIONS ............................................................. 2
Check recloser ratings prior to installation ............................................................2
RECLOSER DIMENSIONS ................................................................... 3
INSTALLATION PROCEDURE ................................................................ 4
Moving the recloser .............................................................................4
Lifting the recloser ...............................................................................4
Remove recloser from service .....................................................................6
Grounding the NOVA STS recloser ..................................................................7
RECLOSER OPERATION .................................................................... 8
Vacuum interrupter ..............................................................................8
Mechanism tripping and closing ....................................................................8
Electronic control ................................................................................9
Manual operation of energized recloser ..............................................................9
3-Phase trip/3-phase lockout or 1-phase trip/3-phase lockout ..............................................9
1-Phase trip/1-phase lockout .......................................................................9
Lockout indication ...............................................................................9
Automatic operation .............................................................................9
Contact position indicator .........................................................................9
Operations counter ..............................................................................9
Actuator circuit board ...........................................................................10
Trip and close capacitor ..........................................................................10
INTERNAL VOLTAGE SENSING OPTION .......................................................10
ACCESSORIES ........................................................................... 13
Auxiliary switch ................................................................................13
Terminal options ...............................................................................13
Site-ready pole-mounting hanger ..................................................................14
Arrester-mounting brackets .......................................................................15