Siemens 3AH3 Manuals

Manuals and User Guides for Siemens 3AH3. We have 1 Siemens 3AH3 manual available for free PDF download: Operating Instructions Manual

Siemens 3AH3 Operating Instructions Manual (27 pages)

Vacuum Circuit Breaker 7.2kV 36kV

Brand: Siemens | Category: Circuit Tester | Size: 0.75 MB

Table Of Contents3................................................................................................................................................................

General4................................................................................................................................................................

Technical Data 1/2~1/95................................................................................................................................................................

Type Designation5................................................................................................................................................................

Rating Plate5................................................................................................................................................................

Ambient Temperature/humidity Loadability6................................................................................................................................................................

Site Altitude7................................................................................................................................................................

Electrical Data8................................................................................................................................................................

Operating Times9................................................................................................................................................................

Switching Duties9................................................................................................................................................................

Motor Operating Mechanism9................................................................................................................................................................

Auxiliary Switch10................................................................................................................................................................

Low-voltage Plug Connector10................................................................................................................................................................

Shunt Closing Release10................................................................................................................................................................

Shunt Release 1/7~1/810................................................................................................................................................................

Undervoltage Release11................................................................................................................................................................

Ct-operated Release11................................................................................................................................................................

Breaker Tripping Signal, Cut-out Switches (s6 And S7)12................................................................................................................................................................

Varistor Module (v1 To V3)12................................................................................................................................................................

Electrical Local Closing/electrical Interlocking12................................................................................................................................................................

Mechanical Interlocking12................................................................................................................................................................

Dimensions And Weights12................................................................................................................................................................

Vacuum Interrupters16................................................................................................................................................................

Complement17................................................................................................................................................................

Installing In Cubicle Or On Truck18................................................................................................................................................................

Flat Bar Connection 3/1~3/218................................................................................................................................................................

Control Leads19................................................................................................................................................................

Earthing19................................................................................................................................................................

Circuit Documents19................................................................................................................................................................

Function Schematic Diagram 3/3~3/420................................................................................................................................................................

Closing21................................................................................................................................................................

Tripping23................................................................................................................................................................

Safety Measures24................................................................................................................................................................

Servicing24................................................................................................................................................................

Cleaning24................................................................................................................................................................

Checking The Contact Systems25................................................................................................................................................................

Checking The Vacuum25................................................................................................................................................................

Service Life26................................................................................................................................................................

Accessories And Spare Parts27................................................................................................................................................................