Powell 05PV36ARMM-4, Instruction Bulletin

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01.4IB.60306 PowlVac® ARG & ARM Series 4 Vacuum Circuit Breakers
5kV & 15kV - 1200A, 2000A, & 3000A - 25kA, 36kA, 50kA, & 63kA
Figures
Figure 1 PowlVac® ARG & ARM Series 4 Circuit Breaker Front View with Cover ..........9
Figure 2 PowlVac® ARG & ARM Series 4 Circuit Breaker Front View without Cover ..10
Figure 3 PowlVac ARG & ARM Series 4 Circuit Breaker Rear View .............................11
Figure 4 Primary Current Closeups ............................................................................12
Figure 5 Cam and Fundamental Linkage Positions ...................................................14
Figure 6 Mechanism and Trip Linkages ......................................................................15
Figure 7 Operation Sequence .....................................................................................17
Figure 8 Typical Control Scheme ................................................................................18
Figure 9 Circuit Breaker in Shipping Carton ...............................................................24
Figure 10 Circuit Breaker with Shipping Bracket .........................................................24
Figure 11 Circuit Breaker on Crane ...............................................................................25
Figure 12 Secondary Disconnect Override Device .......................................................30
Figure 13 Removing Circuit Breaker from Compartment ............................................36
Figure 14 Lubrication (50kA shown) ............................................................................42
Figure 15 Lubrication (50kA shown) (cont.) .................................................................43
Figure 16 Main Closing Spring Assembly Compressed for Removal ...........................44
Figure 17 Main Closing Spring Assembly Installed .....................................................44
Figure 18 Primary Trip Prop Adjustment ......................................................................46
Figure 19 Feeler Gauge .................................................................................................47
Figure 20 Latch Check Switch Adjustment ...................................................................48
Figure 21 Primary Current Path ....................................................................................56
Figure 22 Control Devices .............................................................................................58