ABB UniGear ZS1 Instruction Manual

43
Figure 68: 24 kV panels - Arrangement of the busbar and branch conductors at the busbar ends. In continuous busbars,
the connections are similar, but without the lid holder 58.1 and without the spacer plate 3.5.
2 Branch conductor
3 Busbar section
3.5 Spacer plate
58 Insulating cover
58.1 Lid holder
58.5 Lid for insulating cover
(58.6) Washer ISO 7089
58.7 Washer 25 mm diameter
163 M10 hexagon socket head screw
164 M10 nut
165 10mm spring washer
58.5 58.1 165 165 58 2 58.5 3
(58.6) 163 164 58.7
58.5 3.5 165 58 2 58.5 3
58.1 163 164(58.6)58.7
2165
165 3
(10) (10)
During assembly, cut out the insulating cover and lid to fit the cross-
section of the feeder bar or busbar.
a) Arrangement for 1250 A branch current and 1600 or 2500 A busbar
current.
b) Arrangement for 2500 A branch and busbar current.

ABB UniGear ZS1 Specifications

General

Rated Voltage	up to 24 kV
Rated Current	up to 4000 A
Frequency	50/60 Hz
Rated Short-Circuit Breaking Current	up to 50 kA
Rated Peak Withstand Current	up to 125 kA
Insulation	Air-insulated
Type of Switchgear	Metal-clad
Rated Short-time Withstand Current	up to 50 kA for 3s
Internal Arc Classification	IAC AFLR
Protection Degree	IP4X
Busbar System	Single and double busbar
Type Tested Assembly	IEC 62271-200
Dimensions	Varies depending on configuration
Weight	Varies depending on configuration