Owner's manual

1502-UM050D-EN-P – June 2013
Maintenance Chapter 4
Tool Requirements ................................................................................. 4-1
Recommended Torque Values ............................................................... 4-1
Routine Maintenance.............................................................................. 4-1
Vacuum Bottle Replacement and Set-up Procedure .............................. 4-4
Coil Replacement Procedure ...................................................................4-8
Auxiliary Contact Set-up Procedure .................................................... 4-10
Mechanical Latch Trip Coil Replacement Procedure .......................... 4-14
Mechanically Latched Contactor Set-up Procedure ............................. 4-18
Altitude Adjustment ............................................................................. 4-20
Troubleshooting Chapter 5
Troubleshooting • Table 5.A .................................................................. 5-1
Typical Contactor Coil Impedance Values • Table 5.B ..........................5-1
Spare Parts Chapter 6
400A Electrically Held Vacuum Contactor – Figure 6.1 ....................... 6-1
400A Mechanical Latch Assembly – Figure 6.2 .................................... 6-1
Spare Parts List – Table 6.A .................................................................. 6-2
ii Table of Contents – 400 A Medium Voltage Contactor User Manual