Eaton W-VAC Series - Page 5

Instruction Book
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5-5 Miscellaneous ........................................................................................................................................................ 36
5-5.1 Earthing Contact .................................................................................................................................................... 36
5-5.2 Operations Counter ............................................................................................................................................... 36
5-6 Levering Mechanism .............................................................................................................................................. 36
5-7 Circuit Breaker Interfacing ..................................................................................................................................... 36
5-7.1 Electrical Clearances ............................................................................................................................................. 36
SECTION 6 INSPECTION AND MAINTENANCE
6-1 Warning .................................................................................................................................................................. 37
6-2 Frequency of Inspection ........................................................................................................................................ 37
6-3 Inspection and Maintenance Procedures .............................................................................................................. 38
6-4 Vacuum Interrupter Integrity Test .......................................................................................................................... 37
6-5 Contact Erosion (Except 3150A) ........................................................................................................................... 40
6-5.1 Contact Erosion (3150A Only) .............................................................................................................................. 40
6-5.2 Contact Wipe (All Ratings) .................................................................................................................................... 40
6-6 Insulation ................................................................................................................................................................ 41
6-7 Insulation Integrity Check ...................................................................................................................................... 41
6-8 Primary Circuit Resistance Check ......................................................................................................................... 42
6-9 Mechanism Check ................................................................................................................................................. 42
6-9.1 CloSure Test .......................................................................................................................................................... 42
6-10 Lubrication .......................................................................................................................................................... 47
6-11 Troubleshooting Chart ........................................................................................................................................ 47
SECTION 7 RENEWAL PARTS
7-1 General .................................................................................................................................................................. 50
7-2 Ordering Instructions ............................................................................................................................................. 50
FIGURES
Figure Title Page
1-1 Type W-VACR 630A Breaker Element Only Outline Dimensions (millimeters) & Weights (Kilograms) .... 3
1-2 Type W-VACR 630A Breaker Element Only Outline Dimensions (millimeters) & Weights (Kilograms) .... 4
1-3 Type W-VACR 800/1250A Breaker Element Only Outline Dimensions (millimeters) & Weights (kg) ....... 5
1-4 Type W-VACR 800/1250A Breaker Element Only Outline Dimensions (millimeters) & Weights (kg) ....... 6
1-5 Type W-VACR 800/1250A Breaker Element Only Outline Dimensions (millimeters) & Weights (kg) ....... 7
1-6 Type W-VACR 2000A Breaker Element Only Outline Dimensions (millimeters) & Weights (kg) .............. 8
1-7 Type W-VACR 2500A Breaker Element Only Outline Dimensions (millimeters) & Weights (kg) .............. 9
1-8 Type W-VAC Breaker Element Only Outline Dimensions (millimeters) and Weights (Kilograms) .......... 10
1-9 Outline and Dimensions (mm) Type W-VAC Breaker Element with Carriage
Assembly and Cradle Assembly ........................................................................................................................ 11
1-10 Outline and Dimensions (mm) Type W-VAC 3150 Breaker with Carriage Assembly .............................. 12
3-1 Typical VCP-W Tools and Accessories .......................................................................................................14
3-2 Typical Front View VCP-W Vacuum Circuit Breaker Element ................................................................... 16
3-3 Typical VCP-W Vacuum Circuit Breaker Element with Front Cover Removed ....................................... 17
3-4 Typical Rear View VCP-W Vacuum Circuit Breaker Element ................................................................... 18
3-5 Typical VCP-W Vacuum Circuit Breaker Element Escutcheon ................................................................. 19
3-6 Front and Rear External View W-VAC Breaker With Cradle Assembly for
Double Tier Switchgear ...............................................................................................................................20
3-7 Front and Rear External View W-VAC 3150A Breaker with Carriage Assembly for
Single Tier Switchgear .................................................................................................................................21