MN008006EN Manual
Efective March 2021
NOVA LBS Load Break Switch
2
www.eaton.com/cooperpowerseries
CONTENT
SAFETY FOR LIFE ............................................................ 3
SAFETY INFORMATION .................................................. 3
PRODUCT INFORMATION .............................................. 4
Introduction ........................................................... 4
Additional Information .......................................... 4
Acceptance and Initial Inspection ......................... 4
Handling and Storage ............................................ 4
Standards ............................................................... 4
Quality Standards .................................................. 4
Description of Operation ....................................... 4
Check NOVA LBS Ratings Prior To
Installation ............................................................. 5
DIMENSIONS ................................................................. 6
NOVA LBS MECHANISM INTERFACE OPTIONS .............. 7
Control-Powered Interface .................................... 7
INSTALLATION PROCEDURE .......................................... 9
Moving the Switch ................................................. 9
Lifting the Switch ................................................... 9
Remove NOVA LBS from Service ......................... 11
NOVA LBS Load Break Switch Grounding ............ 11
3-Wire Ungrounded and Impedance
Grounded Systems .............................................. 12
Grounding on a 3-Wire Uni-Grounded
System ................................................................. 13
OPERATION ................................................................. 14
Electrical Close ..................................................... 14
VOLTAGE SENSING OPTION ........................................ 15
Installation ........................................................... 15
Operation ............................................................ 16
LBC control settings ............................................. 16
ACCESSORIES ............................................................... 17
Terminals ............................................................. 17
Pole-Mounting Hanger ........................................ 18
Arrester-Mounting Brackets ............................... 19
SERVICE INFORMATION .............................................. 20
Service Requirements ......................................... 20
Frequency of Inspection ...................................... 20
Testing Operation ............................................... 20
High-Potential Withstand Testing ....................... 20
Test 1 ................................................................... 21
Test 2 ................................................................... 21
Test 3 ................................................................... 21
Withstand Test Results ....................................... 21
Module Flashover Service ................................... 21
TROUBLESHOOTING.................................................... 22
ANNEX A – PIN RELATION FROM THE CONTROL CABLE23
ANNEX B – WIRING DIAGRAM .................................... 24