SIEMENSVacuum Circuit BreakerOperator ModuleType 3AH4.16kV to 38kVInstructionsInstallationOperationMaintenanceSGIM-99180Medium-VoltageEquipmentwww . ElectricalPartManuals . com

Siemens 3AH Series Instructions Manual

Introduction and Safety

Receiving, Handling and Storage

Installation Checks and Initial Functional Tests

Interrupter/Operator Description

Vacuum Interrupters

Construction (Refer to Figures 1, 2 and 5)

Construction

Rapid Auto-Reclosing

Undervoltage Release

Shock Absorber

Maintenance

Checks of the Primary Power Path

Fastener Check

Electrical Control Checks

Checks of the Spring Charging Motor

Vacuum Integrity Test Procedure

Insulation and Contact Resistance Test Procedure

Overhaul

Hydraulic Shock Absorber

Maintenance and Troubleshooting

Appendix

Siemens 3AH Series Instructions Manual

Product

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