Eaton Cutler-Hammer VCP-WR Series Instructions For The Use, Operation And Maintenance page 5

SECTION 6 BREAKER ELEMENT INTERFACING .................................................................................................. 34
6-1 Introduction............................................................................................................................................................ 34
6-2 General Guidelines................................................................................................................................................ 34
6-2.1 Electrical Clearances .......................................................................................................................... 34
6-2.2 Interphase Barriers ............................................................................................................................. 34
6-2.3 Front Cover (Faceplate) .................................................................................................................... 34
6-2.4 Compartment Interface Verification ................................................................................................... 35
6-3 Series 18 Breaker Element Interfaces.............................................................................................................. 35
6-3.1 Initial Interfacing Steps ...................................................................................................................... 35
6-3.2 Electrical Interfaces ........................................................................................................................... 35
6-3.3 Mechanical Interfaces ............................................................................................................................ 35
6-4 Series 20 Breaker Element Interfaces.............................................................................................................. 37
6-4.1 Initial Interfacing Steps ...................................................................................................................... 37
6-4.2 Electrical Interfaces ........................................................................................................................... 38
6-4.3 Mechanical Interfaces ........................................................................................................................ 38
6-5 Series 29 Breaker Element Interfaces.............................................................................................................. 39
6-5.1 Initial Interfacing Steps ...................................................................................................................... 39
6-5.2 Electrical Interfaces ........................................................................................................................... 39
6-5.3 Mechanical Interfaces ............................................................................................................................ 39
SECTION 7 INSPECTION AND MAINTENANCE ..................................................................................................... 41
7-1 Introduction ...................................................................................................................................................... 41
7-2 Frequency of Inspection ................................................................................................................................. 41
7-3 Inspection and Maintenance Procedures ....................................................................................................... 42
7-4 Vacuum Interrupter Integrity Test .................................................................................................................... 43
7-5 Contact Erosion and Wipe............................................................................................................................... 43
7-6 Insulation ........................................................................................................................................................ 44
7-7 Insulation Integrity Check ................................................................................................................................ 44
7-8 Primary Circuit Resistance Check ................................................................................................................... 45
7-9 Mechanism Check ........................................................................................................................................... 45
7-10 Lubrication ....................................................................................................................................................... 45
7-11 Troubleshooting Chart ..................................................................................................................................... 47
SECTION 8 RENEWAL PARTS ................................................................................................................................ 50
8-1 General ........................................................................................................................................................... 50
8-2 Ordering Instructions ...................................................................................................................................... 50
I.B. 8295A61H07 For more information visit: www.EatonElectrical.com
Instruction Book
Effective: February 2007 Page v
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