B785
12Pages

DRIESCHER -Circuit - breaker panels • for fixed mounting type WL • withdrawable design type WEL • withdrawable type in 2- or 3-compartment design E2K, E3K ELEKTROTECHNISCHE WERKE FRITZ DRIESCHER & SOHNE GMBH D-85366 Moosburg • Phone: +49 8761 681-0 • Fax: +49 8761 681-137 www.driescher.com infoservice@driescher.de

General notes, Operating conditions Shipping, Transport, Storage, Installation, Earthing, Cable mounting and Cable connection Operation Withdrawable Design Type WEL Operating Instruction for Service-Lift Truck Operation Fixed mounting Type WL Operating Instruction for Service Truck Operation 2- or 3-Compartment Design Type E2K or Type E3K Operation 3-Compartment Design Type E3K24-101624 Commissioning, Maintenance, Service General notes These operating and maintenance instructions must always be kept at the place of installation and must be available to operating personnel at all times. The...

Shipping, Transport and Storage Delivery condition We deliver individual panels or complette switch gears bolted. The individual panels or units are usually fully preassembled at the manufacturing factory. Transportation on the site There are transporting lugs on the top of the switch panels or units. These must be removed again after installation. Storage The switch panels must be appropriately stored in a dry, well-vented area and protected against contamination. Floor properties A level floor is sufficient. Compensate any irregularities by metal strips. Make sure to avoid any distortion...

B785 Operating Instruction • Withdrawable Design Type WEL All switching activities, including the traversing of the circuit breaker into disconnected position, should be carried out with the front door closed so as to ensure maximum operator safety. It will be possible within a very short period of time to withdraw the circuit breaker for service and maintenance purposes. For this, either a service-lift truck (page 5) or an auxiliary truck (page 7). Both are equipped with a docking facility and are hence stable, adjustable for height, and operator-friendly. The service lift-truck also has a...

B785 Instructions for Use • Service-Lift Truck Type WEL: Circuit-breaker section, in withdrawable-unit design, with a lateral view of the service-lift truck 1. Change-over from remote to local control (2). 2. Open circuit-breaker (1). 3. Withdrawal switchgear truck (1, disconnected position). 4. Close earthing switch (12). 5. Insert insulating plate (5)1. 6. Open door. 7. Pull plug, (4) and bring into position (3). 8. Bring up service-lift truck (pumping motion, 16), until insertion and docking above the interlocking device (13) is possible. 9. Let service truck, through lowering (rotary...

B785 Operating Instruction • Fixed mounting Type WL All switching activities, including the traversing of the circuit breaker into disconnected position, should be carried out with the front door closed so as to ensure maximum operator safety. It will be possible within a very short period of time to withdraw the circuit breaker for service and mainten- ance purposes by means of an auxiliary truck. The service-lift truck (page 5) cannot be used for this type WL. The auxiliary truck is equipped with a docking facility and is hence stable, adjustable for height, and operator-friendly. Picture...

B785 Operating Instruction for auxiliary truck Picture 5: Connection of the auxiliary truck to the interlocking Picture 6: Interlocking of the auxiliary truck to the circuit-breaker panel type WL Change-over from remote to local control (2). Open circuit-breaker (10). Open disconnector (6)1. Close earthing switch (12). Insert insulating plate (51, not necessary in case of 2- or 3- compartment design!). 6. Open door. 7. Pull plug, (4) and bring into position (3). 8. Remove interlocking rope of the disconnector at the indicated place (13)1. 9. Dock the auxiliary truck. Push the interlocking...

B785 Operating Instruction • 2- or 3-compartment design Type E2K or Type E3K All switching operations as well as the moving of the circuit-breaker into the connecting position are done behind the closed front door and are only possible under certain requirements to guarantee the highest possible protection of persons. The circuit-breaker can be removed for service and maintenance purposes in a very short time. For this, either a service-lift truck (page 5) or an auxiliary truck (page 7) can be used. Both are equipped with a docking facility and are hence stable, adjustable for height, and...

B785 Operating Instruction • 2- or 3-compartment design Type E2K or Type E3K 1 Busbar chamber Circuit-breaker chamber Partition chamber of cable feeder Automatically opening and closing metal shutter Low-voltage compartment or secondary device module 1 Type E3K: 3-compartment with circuit-breaker in OFF position Type E2K: 2-compartment with service truck, circuit-breaker in operating position Operation Type E2K and E3K 1. The circuit-breaker can be moved into the operating position and into the connecting position either electrically by means of a control unit (1) or manually by means of a...

B785 Operating Instruction • 3-compartment design - Type E3K24-101624, Ir = 2500 A 1 Busbar chamber Partition of cable feeder Circuit-breaker chamber Automatically opening and closing metal shutter Low-voltage compartment or secondary device module Type E3K 24-101624: Circuit-breaker in OFF-position Type E3K 24-101624: with Service-Lift Truck, Circuit-breaker in oparting position Operation Type E3K24-101624 1. The circuit-breaker can be moved into the operating position and into the connecting position either electrically by means of a control unit (1) or manually by means of a hand crank...

B785 Commissioning • Maintenance General Our products have been on the market for many years and thousands of these switchgears are used succesfully. We are able to say that the quality of our products is distinguished by a high level of ruggedness and operational safety and reliability. To guarantee that the requirements put to the switchgear are met and to avoid any possible power failures, appropriate maintenance, inspection and possible repair measures are necessary to provide a reliable power supply. The measures employed depend on the age of the switchgear, its operating frequency and...