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Table of contents
1. Your safety first – at all times! 4
2. Summary 6
2.1 General 6
2.2 Standards and specifications 6
2.3 Operating Conditions 6
3. Technical data 7
3.1 Electrical data 7
3.2 Resistance to internal arc fault 7
3.3 Dimensions and weights 7
4. Switchgear design and equipment 8
4.1 Basic structure and variants 8
4.2 Compartments in UniGear ZS2 11
4.3 Interlocks and protection against erroneous 16
operations
4.4 Control wiring plug connector coding 19
4.5 Instructions for floor-rolling version 20
circuit breaker
4.6 ICOG- Incoming and Outgoing type Switchgear 21
4.7 Ith Limiters 21
5. Dispatch and Storage 23
5.1 Condition on delivery 23
5.2 Packing 23
5.3 Transport at site 23
5.4 Delivery 23
5.5 Intermediate storage 23
5.6 Unpacking 24
5.7 General site requirements & Floor Layout 27
5.8 Foundations 28
6. Assembly of the switchgear panels 32
6.1 Installation of busbars 34
6.2 Cable connection 37
6.3 End covers 40
7. UniGear ZS2 Digital 41
8. Operation of the switchgear 43
8.1 Commissioning 43
8.2 Preparatory work 43
8.3 Switching Operation 43
8.4 Service Trucks 48
9. Maintenance 52
9.1 Maintenance strategies 52
9.2 Preventive Maintenance 53
9.3 Inspection 53
9.4 Servicing 53
9.5 Repair 55
9.6 Testing with withdrawable 55
9.7 Testing Interlock conditions 56
9.8 Spare parts, Auxiliary materials, Lubricants 57
10. Product quality and environmental protection 58
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