Related Manuals for Siemens DHR Series
Summary of Contents for Siemens DHR Series
- Page 1 Vacuum Circuit Breakers (Vehicle) Instructions Installation Type DHR Operation 4.16kV to 15kV Maintenance SGIM-9958B...
- Page 2 It does not relieve the user of responsibility to use sound practices in application, installation, operation, and mainte- nance of the equipment purchased. Siemens reserves the right to make changes in the specifications shown herein or to make improvements at any time without notice or obligations.
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Page 3: Table Of Contents
Vacuum Circuit Breakers (Vehicle) Table of Contents Introduction and Safety ............2 Introduction ................2 Qualified Person ..............2 Signal Words ................2 Dangerous Procedures ............2 Field Service Operation ............2 Receiving, Handling and Storage ........3 Introduction ................3 Receiving Procedure ............... -
Page 4: Introduction And Safety
Siemens equipment, processes and sys- tems. Contact regional service centers, sales offices or • Training in the proper care and use of protective equip- the factory for details, or telephone Siemens Field Service ment such as rubber gloves, hard hat, safety glasses, at 1-800-241-4453. -
Page 5: Receiving, Handling And Storage
Outdoor Storage - Outdoor storage is not recommended. When no other option is available, the circuit breaker must 3. Notify the Siemens Sales office immediately of any be completely covered and protected from rain, snow, dirt shipment damage. -
Page 6: Vehicle Description
Vehicle Description Vehicle Function and Operational Interlocks Before a breaker is rolled into a cell, the arms with rollers, at each side of the breaker must point to the rear and slightly Type DHR vacuum circuit breakers are comprised of the downward as shown in (Figure 1a). -
Page 7: Interlock Position Indicator
Vehicle Description the test position. The rollers on the arms strike vertical Test Position angles on the cell wall and stop the breaker at the test The breaker may be rolled into the metal clad cell until the position. If the breaker is to be operated at this position, rollers on the levering-in device stop against a pair of ver- remove the crank and engage the secondary contacts in tical angles welded into the cell. -
Page 8: Secondary Contacts
Vehicle Description Ground Contact Secondary Contacts A ground contact is located at the left rear of the breaker The breaker control wiring is arranged for drawout dis- connection by means of an 18-point connector plug ar- from directly above the 18-point secondary plug, (Figure ranged to connect to a mating receptacle mounted in rear 3). -
Page 9: Maintenance
Purchaser’s purposes, the mat- humidity, and extremes of temperature. ter should be referred to the local Siemens sales office. The definition of “usual service conditions” is subject to a variety of interpretations. Because of this, you are best... -
Page 10: Removal From Switchgear
Maintenance Removal from Switchgear Prior to performing any inspection or maintenance checks or tests, the circuit breaker must be removed from the switchgear. The Installation and Initial Functional Tests section describes the removal procedure in detail. Princi- pal steps are repeated here for information and guidance, but without the details of the preceding section. -
Page 11: Fastener Check
Using a clean cloth saturated with denatured alcohol, clean main contact status indicator. old lubricant from primary disconnects, and apply Siemens 2. As soon as the breaker has closed, the automatic spring contact lubricant (reference 15-171-370-002) in a very thin charging process is repeated. - Page 12 Siemens Power Transmission & Distribution, Inc. P.O. Box 29503 Raleigh, NC 27626-0503 SGIM-9958B (1-2003) Printed in U.S.A. © 2001 Siemens Power Transmission & Distribution, Inc. SIEMENS is a registered trademark of Siemens AG.