ABB UniGear ZS1 Instruction Manual

23
Unpacking
• Remove the nails and crate lid and sides;
• Open the compartment door and loosen the bolts fixing the switchgear to the pallet;
• Lift the cubicles by means of the crane following the instructions below;
• Remove the pallet;
• Position the unloading shims;
• Put the switchgear on the loading shims by using the crane.
Figure 30: Handling the switchgear in the wooden crate
Switchgear handling
• Only use a suitable balanced lifting system.
• Should an accidental fault cause a leakage of SF6, ventilate the room and carefully follow the
safety procedures prescribed in the IEC 1634 Standards.
After unpacking, lift the unit groups by means of a crane (figure 29). Use the eyebolts (1.5) and the ropes
fitted with safety.
After installation of the panels, remove the eyebolts used for lifting.
4.6.1.2 Handling by means of rollers
• Only use rollers on a level floor.
• Move the switchgear section avoiding any possible tilting.
Lift the switchgear section by means of a bridge or mobile crane or using jacks (figure 29); remove the
wooden pallet loosening the screws fixing it to the switchgear section base.
Put a sturdy metal sheet between the rollers and the unit base and place the switchgear on the sliding
rollers.

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