ABB UniGear Series, Engineering Manual

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UNIGEAR DIGITAL S WITCHGEAR TYPE O VERVIEW
1VLG5 00007 E 23
2.4 Switchgear type overview
UniGear Digital is available for the following switchgear types:
– UniGear ZS1
– UniGear 550
– UniGear 500R
– UniGear MCC
Table 3: Overview of UniGear Digital in UniGear switchgear family
Switchgear
type
Busbar
arrangement
UniGear
Digital
Voltage level Rated feeder
current
Rated short-
circuit
current
UniGear ZS1
Single
busbar
Yes Up to 24 kV Up to 4 000A
Up to 50kA/
3 s
Double
busbar
No Up to 24 kV Up to 4 000A
Up to 31.5kA/
3 s
Back to back No Up to 24 kV Up to 4 000A
Up to 50kA /
3 s
UniGear 550
Single
busbar
Yes Up to 12 kV Up to 1 250A
Up to 31.5kA/
3 s
UniGear
500R (IEC)
Single
busbar
Yes Up to 17.5 kV Up to 2 000A
Up to 31.5kA/
3 s
UniGear MCC
Single
busbar
Yes Up to 12 kV Up to 400A
Up to 50 kA/
3 s
Figure 24: UniGear ZS1 Digital (17.5 kV, 4 000 A, 50 kA)