With drawout 96h3 or 97h3 vacuum contactors 2300, 4000, or 6600 volts ac (utilization voltage) 2400, 4160, or 6900 volts ac (distribution voltage) (56 pages)
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Introduction and Safety........2 Maintenance..........34-39 Introduction............2 Introduction............34 Qualified Person...........2 General...............34 Signal Words............2 Recommended Maintenance and Lubrication..34 Dangerous Procedures........2 Mechanical and Electrical Operation of the Field Service Operation........2 Controller..........34 Vacuum Contactors..........35 General Description........3-19 Shutter Mechanism..........35 General..............3 Racking Mechanism Adjustment......35 Basic Impulse Level..........4 Mechanical Interlocks........38 Dielectric (Power Frequency Withstand) Test..4 Electrical Interlocks..........38...
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Representatives to provide technical guidance and advisory assistance for the installation, overhaul, repair and mainte- nance of Siemens equipment, processes and systems. Contact regional service centers, sales offices or the factory for details, or telephone Siemens Field Services at 1-800-347- 6659 (919-365-2200 outside the U.S.).
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Overload Relay Checks Perform “operational checks”: consult the manual for the spe- cific device for periodic checks and tests.