Siemens 3AH3 Manuals

Table of Contents

• 3

  Table of Contents
• 4

  General
• 5

  Technical Data 1/2~1/9
  • 5

    Type Designation
  • 5

    Rating Plate
  • 6

    Ambient Temperature/Humidity Loadability
  • 7

    Site Altitude
  • 8

    Electrical Data
  • 9

    Operating Times
  • 9

    Switching Duties
  • 9

    Motor Operating Mechanism
  • 10

    Auxiliary Switch
  • 10

    Low-Voltage Plug Connector
  • 10

    Shunt Closing Release
  • 10

    Shunt Release 1/7~1/8
  • 11

    Undervoltage Release
  • 11

    Ct-Operated Release
  • 12

    Breaker Tripping Signal, Cut-Out Switches (S6 and S7)
  • 12

    Varistor Module (V1 to V3)
  • 12

    Electrical Local Closing/Electrical Interlocking
  • 12

    Mechanical Interlocking
  • 12

    Dimensions and Weights
  • 16

    Vacuum Interrupters
  • 17

    Complement
  • 18

    Installing in Cubicle or On Truck
  • 18

    Flat Bar Connection 3/1~3/2
  • 19

    Control Leads
  • 19

    Earthing
  • 19

    Circuit Documents
  • 20

    Function Schematic Diagram 3/3~3/4
  • 21

    Closing
  • 23

    Tripping
  • 24

    Safety Measures
  • 24

    Servicing
  • 24

    Cleaning
  • 25

    Checking the Contact Systems
  • 25

    Checking the Vacuum
  • 26

    Service Life
  • 27

    Accessories and Spare Parts