ABB UniGear ZS1 User Manual

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Table of contents
1. Your safety first – at all times! 4
2. Summary 5
2.1 Introduction 5
2.2 General 5
2.3 Standards and specifications 5
2.4 Operating conditions 5
3. Technical data 7
3.1 Electrical data 7
3.2 Resistance to internal arc faults 8
3.3 Dimensions and weights 9
4. Panel design and equipment 11
4.1 Basic structure and variants 11
4.2 Enclosure and partitioning 11
4.3 Compartments in the panels 17
4.4 Interlock/protection against incorrect operation 23
4.5 Plug connector coding 29
4.6 Arc protection fibers/sensors into the switchgear 29
4.7 Ith Limiters 30
4.8 Monitoring and Diagnostics 31
5. Dispatch and storage 32
5.1 Condition on delivery 32
5.2 Packing 32
5.3 Transport 32
5.4 Delivery 32
5.5 Intermediate storage 33
5.6 Handling 33
6. Assembly of the switchgear at site 38
6.1 General 38
6.2 Foundations 38
6.3 Assembly of the switchgear panels 59

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