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HPA 12kV
ABB HPA 12kV User Manual
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MV SF6 Indoor Cir
cuit Br
eak
er
Model HP
A
12kV
, 24kV & 36kV
1VDU22001-YN
Instruction for Installation, Service and Maintenance
2
Table of Contents
Table of Contents
3
Data
4
Breaker Poles
4
Operating Mechanism
10
Maintenance
12
Maintenance Schedule
12
Checking and Refilling of SF Gas
16
Control of Gas Pressure
17
Checking for Operating Speed and Time
18
Service Instruction
19
Fault Finding Chart
20
Replacement of Operating Coils
21
Replacement of Micro Switch
22
Replacement of Auxiliary Contacts
23
Replacement of Motor
23
Replacement of Damping Device
23
Replacement of Operating Mechanism
24
Changing of Breaker Pole
25
HPA - Operating Gear Adjustments
26
Accessories Spare Parts and Additional Equipment
27
4
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ABB HPA 12kV Specifications
General
Rated Voltage
12 kV
Rated Frequency
50/60 Hz
Mechanical Life
10, 000 operations
Operating Mechanism
Spring-operated
Insulation Medium
Vacuum
Protection Degree
IP4X
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