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Manuals
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Siemens Manuals
Circuit breakers
3AFS Series
Instructions, installation, operation, maintenance
Siemens 3AFS Series Instructions, Installation, Operation, Maintenance
Vacuum circuit breakers
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Contents
Table of Contents
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Table of Contents
Table of Contents
A . Type 3 AFS Vacuum Circuit Breaker Front View
AFS Vacuum Circuit Breaker Rear View
Figure 2 . Rating Plate
Table/Rating Summary & Weights
Table
Rating Summary & Weights
Altitude Correction Factors
Closing and Tripping Solenoid Characteristics
Table
Auxiliary Switch Ratings
Typical Innterrupter / Operator Assembly
Section through a Typical Vacuum Interrupter
Section through a Vaccum Breaker Pole
Section through the Typical Vacuum Breaker
Afs - 250 4.76 2000
Afs - 350 4.76 1200
Operating Mechanism Closed Position - Closing Springs Discharged
Closing Springs Discharged
Figure 10 . Breaker Shaft in Open Position - Closing Springs Discharged
Operating Mechanism Open Position - Closing Springs Discharged
Figure 11 . Operating Mechanism Section Diagrams : a , B , C . D
Figure 12 . Operator Sequential Operation Diagram
Figure 13 . Front View of Mechanism Enclosure Arranged for Manual Operation
Figure 14 . Typical Elementary Diagram
Figure 15 . Construction of Shunt Release
Figure 16 a . Latch Detail Shunt Release
Figure 16 B . Latch Detail Undervoltage Release
Figure 16 C . Undervoltage Blocking Feature
Afs - 350 4.76 3000
Afs - 500
Afs - 500 15.0 2000
Afs - 500 8.25 3000
Afs - 750
Afs - 750 15.0 2000
Figure 17 . Operator Lubrication Points
Figure 18 . Typical Primary Interrupter Contact Life Curves
Figure 19 . Contact Erosion Check
Figure 20 a . Lower Pole Support with Insulated Coupler
Figure 20 B . Primary Contact Closed - Free Position
Figure 20 C . Primary Contact Forced Open by Manual Pressure
Figure 21 . Vacuum Tube Replacement Illustration
Figure 22 . Illustration Showing Required Technique for Fastening Terminal Clamp Hardware
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A . Type 3 Afs Vacuum Circuit Breaker Front View
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Table/Rating Summary & Weights
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Summary of Contents for Siemens 3AFS Series
Page 1
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Page 2
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Page 3
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Page 4: Table Of Contents
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Page 5: A . Type 3 Afs Vacuum Circuit Breaker Front View
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Page 6: Afs Vacuum Circuit Breaker Rear View
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Page 9
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Page 10: Figure 2 . Rating Plate
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Page 11: Table
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Page 12: Closing And Tripping Solenoid Characteristics
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Page 13
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Page 14: Typical Innterrupter / Operator Assembly
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Page 15: Section Through A Vaccum Breaker Pole
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Page 16: Operating Mechanism Closed Position - Closing Springs Discharged
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Page 17: Closing Springs Discharged
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Page 18: Operating Mechanism Open Position - Closing Springs Discharged
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Page 19: Figure 11 . Operating Mechanism Section Diagrams : A , B , C . D
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Page 20
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Page 21: Figure 12 . Operator Sequential Operation Diagram
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Page 22: Figure 13 . Front View Of Mechanism Enclosure Arranged For Manual Operation
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Page 23: Figure 14 . Typical Elementary Diagram
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Page 24: Figure 15 . Construction Of Shunt Release
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Page 25
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Page 26: Afs - 350 4.76 3000
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Page 27: Figure 17 . Operator Lubrication Points
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Page 28: Figure 18 . Typical Primary Interrupter Contact Life Curves
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Page 29: Figure 19 . Contact Erosion Check
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Page 30: Figure 20 B . Primary Contact Closed - Free Position
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Page 31
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Page 32: Figure 21 . Vacuum Tube Replacement Illustration
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Page 33: Figure 22 . Illustration Showing Required Technique For Fastening Terminal Clamp Hardware
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Page 34
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Page 35
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Page 36
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This manual is also suitable for:
5-3afs-250
5-3afs-350
5-3afs-500
7-3afs-500
15-3afs-500
7-3afs-750
...
Show all
7-3afs-1000
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