Akd-8: Shutter Actuation - ABB AKR30S-800A Installation And Maintenance Manual

Retrofill circuit breakers
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AKD-8: Shutter Actuation
AKD-8 LVS comes installed with shutter assemblies for protection of the live bus bars. Emax
2 Retrofill breaker comes pre-installed with shutter actuators (Figure 71,72,73 and 74) which
operate the opening of the shutters. Hence, no installation is required. Retrofills provide the
same mechanical indication scheme as legacy breakers.
Figure 71
AKD-8, Breaker Surfaces Activate Shutter
Surfaces activating the shutter
for AKR30/30H/30L/50/50H
Figure 72
Surfaces activate the shutter for
AKR30S
64] © 2020 Emax 2 Retrofill Circuit Breakers 800-5000A
2TSA451009P0000 Rev-B

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