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ABB Emax 2 Installation And Maintenance Guide

ABB Emax 2
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30| © 2020 Emax 2 Retrofill Circuit Breakers 600A-4000A 2TSA451011P0000 Rev-B
Figure 55 & 56
Figure 57
AKD5, AKT50
Fig 55. Cassette Projected from Switchgear Fig 56. Cassette racking on Switchgear rails
Switchgear and Cassette assembly (Front View)
1. Install the pre-wired cassette in the enclosure as demonstrated in the photos, below.
2. Place the cassette on the rails for racking into the switchgear cabinet figure 55 & 56.
3. Slide the retrofit cassette into the compartment till dead-stop.
4. Lock the rails of the legacy compartment to ensure inner and outer rail movement.
5. Use legacy (old or original) AKR racking handle for inserting the retrofit cassette.
6. Fix legacy (old or original) racker-lock on the compartment side frame to block slide
back of sleeve.
The following photos show how the cassette is racked in and secured figure 60, rails
extended figure 58, racking in (figure 59)

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ABB Emax 2 Specifications

General IconGeneral
Breaking CapacityUp to 150 kA
Number of Poles3 or 4
StandardsIEC 60947-2
Rated insulation voltage1000V AC
MountingFixed, Withdrawable

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