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Medium Voltage Products

Index

I. Introduction 4

II. Programme for environmental protection 4

1. Packing and transport 5

2. Checking on receipt 5

3. Storage 5

4. Handling 6

5. Description 7

6. Instructions for circuit-breaker operation 36

7. Installation 39

8. Putting into service 44

9. Maintenance 45

10. Application of the standards for X-ray emission 48

11. Spare parts and accessories 49

12. Electrical diagram 49

13. Overall dimensions 50

VD4

Installation and service instructions

12 ... 24 kV - 630 ... 3150 A - 16 ... 40 kA

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General

Type	Vacuum Circuit Breaker
Rated Voltage	Up to 36 kV
Rated Short-Circuit Breaking Current	Up to 63 kA
Frequency	50/60 Hz
Standards	IEC 62271-100
Application	Medium voltage power distribution
Rated Short-Time Withstand Current	Up to 63 kA for 3 seconds
Mechanical Life	Up to 30, 000 operations
Installation	Fixed / Withdrawable
Operating Mechanism	Spring-operated
Rated Current	630 A / 800 A / 1250 A / 1600 A / 2000 A / 2500 A / 3150 A / 4000 A
Electrical Life	Up to 10, 000 operations at rated current
Control Voltage	24 V DC, 48 V DC, 110 V DC, 220 V DC, 110 V AC, 230 V AC