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Vacuum circuit-breaker 36 kV Instruction manual BA 434/03 E ABB Power Distribution...
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Your safety first – always! That's why our instruction manual begins with these recommendations: Only install switchgear and/or switchboards in enclosed rooms suitable for • electrical equipment. • Ensure that installation, operation and maintenance are carried out by specialist electricians only. •...
• Safety guidelines for auxiliary and operating in areas: materials • • with high humidity and/or • Order related details provided by ABB Calor Emag. • • with major rapid temperature fluctuations. – Implement preventive measures (e.g. electric heaters) to preclude condensation pheno- mena.
Higher values on request. At the rated auxiliary voltage. If the activating relay contact cannot itself interrupt the release coil current. Ambient temperature ≤ 55 °C. With natural ventilation of the switchgear panel. Ambient temperature ≤ 40 °C. ABB Power Distribution...
VA/W S 281 UC-K 0.75 0.75 S 282 UC-K 0.75 0.75 Approximate values At the rated auxiliary voltage Permissible number of vacuum interrupter switching operations in relation to breaking current See figure 2/1. Dimensions See figure 2/2. ABB Power Distribution...
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Lifting lug T and handling unit TE only fitted for handling. Remove and = Handling unit (required for movement on rollers 50.8) store prior to commissioning. TW = Partition, if specifically ordered Figure 2/2: Main Dimensions = Earthing conductor connection – use contact washer ABB Power Distribution...
OFF Y9 with the circuit-breaker in the open position, and the circuits of shunt release ON Y3 and the optional blocking magnet Y1 with the circuit-breaker in the closed position. There is one further NOC for other purposes. ABB Power Distribution...
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Figure 3/1: Circuit-breaker, operator's side Figure 3/2: Circuit-breaker, terminal side 50.8 Wheel 57.1 Upper terminal 57.2 Lower terminal 57.4 Pole tube caps 57.5 Transport plugs 57.8 Insulating material pole tube Figure 3/3: Circuit-breaker, version with partition, terminal side ABB Power Distribution...
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Figure 3/5: Partial section of a vacuum interrupter 58, simplified schematic diagram 58.5 Details vary according to the specified switching duties. 58.7 58.1 Insulator 58.2 Fixed contact 58.6 58.3 Movable contact 58.4 Metal bellows 58.5 Screen 58.6 Guide 58.7 Interrupter lid ABB Power Distribution...
• Checking the delivery for completeness and mediate storage is to continue. freedom from damage (e.g. moisture and its adverse effects). • Any short quantities, defects or damage in transit: – Must be precisely documented on the consignment note. ABB Power Distribution...
It is recommended that the threads or head contact surfaces of charging mechanism automatically disengages, the bolts be lightly oiled or greased, so as to achieve a precisely and further strokes of the charging lever have no defined rated tightening torque effect. ABB Power Distribution...
(re-)charge reclosing sequence Open breaker On-Off Close breaker... Off-On-Off or auto- automatically (re-)charge reclosing sequence Autoreclosing sequence (Activation via (automatic charging protection system starts) Automatic charging completed On-Off Close breaker... Off-On-Off or auto- automatically (re-)charge reclosing sequence ABB Power Distribution...
Socket 55.8 Charging condition indicator Charging lever Figure 6/2: Only handle by crane when the lifting lugs are fitted. Always bear in mind that the high situated centre of gravity may induce the breaker to tip over! ABB Power Distribution...
IEC. trained personnel, observing all the relevant safety Scope of functional testing: regulations. It is recommended that ABB Calor Emag after-sales service personnel should be • Perform several switching operations under no called in, at least during the performance of load, above all with circuit-breakers seldom servicing and repair work.
• Replace parts subject to high climatic and For testing the vacuum without dismantling the mechanical stresses after 10,000 operating circuit-breaker you may use: cycles as a precaution (for details see ABB Calor Emag after-sales service). • Vacuum tester VIDAR, from Programma Electric GmbH, •...
Note: • Sheet steel parts, painted Dismantling and Replacement of the complete breaker poles should only be carried out by ABB – Remove rust, e.g. with a wire brush. Calor Emag after-sales service personnel or by – Grind off paint coat and grease.
• Isoflex Topas NB 52 GCE0007249P0100 Halogen-free cleanser: • Rivolta BWR 210 GCE0007707P0100 (for general cleaning) Observe the relevant ABB instruction manual BA 1002/E GCEA901002P0102 • Cold cleanser (Kaltreiniger) 716 GCE0007706P0100 (use for conductive components, insulating-material components and for heavy contamination)
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Mechanical OFF push-button 55.30 Drive shaft 55.4 Mechanical switch position indicator 55.33 Drum with spiral spring 55.5 Mechanical operating cycle counter 55.34 Chain 55.8 Charging condition indicator 55.35 Ratchet wheel Auxiliary switch block 55.36 Charging motor Magnet holder, complete ABB Power Distribution...
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V1, V2, V3 and V9). within an individual type series is listed in the relevant Rectifiers function as free-wheeling diodes is d.c.-supply. switchgear list, and the equipment fitted in each individual case can be found in the order documentation. ABB Power Distribution...
The results are as follows: distance between the contacts (which is • The use of the vacuum interrupters at rated automatically ensured with correct mechanism voltage is completely safe. function and force transmission). ABB Power Distribution...