ABB Vzduchové jističe EMAX E1-E6 Montážní návody a manuály (03)

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Vydal: ABB s.r.o, ELSYNN Autor: ABB ELSYnn

Strana 426 z 660

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Close the circuit-breaker. Supply the undervoltage release the corresponding rated voltage (if any). The first turns the crank handle do not meet with particular resistance. Supply the shunt opening release the corresponding rated voltage. Insertthe auxiliary contacts suitable signalling circuits. The geared otor stops with the springs loaded. C arry som sin and ning operations. ite d 1 Manual operating mechanism 2 Geared motor (if any) 3 Undervoltage release (if any) 4 Shunt opening release (if any) 5 Shunt closing release (if any) 6 Circuit-breaker lock the open position (with key padlocks) 7 Auxiliary contacts the circuit-breaker 8 Auxiliary contacts for signalling circuit- breaker connected, test isolated and disconnected 9 Lock vice circ it-b rs connected and disconnected. The signals are correct. Carry out some racking-in and out operations. The signals are given correctly. Open the circuit-breaker. 15/158 . Supply the shunt closing release its rated voltage. The circuit-breaker closes correctly. CAUTION When there undervoltage release, the circuit-breaker can only closed after the release has been electrically energized. Racking-in operation: the circuit-breaker racks in correctly. The locks function correctly. The circuit-breaker opens correctly. The signals are correct. Note. The signals are correct.2). S upply the undervoltage release the corresponding rated voltage and carry out the circuit-breaker closing operation. Open the circuit-breaker, turn the key and remove from its seat. Interlocking devices between circuit-breakers side by side and one top another (if any) 10 For withdrawable circuit-breakers: racking -in/out device P re Carry out some opening and closing operations (see the chapter 7. Carry out some circuit-breaker closing and opening operations. Disconnect voltage the release. Insertthe auxiliary contacts suitable signalling circuits. Attempt circuit-breaker closing operation. Both anual and electrical closing are prevented. Model 2234 Apparatus Scale L 2778 Doc-Na 1SDH000460R0002 Page No. Supply the spring loading geared motor the corresponding rated voltage. The circuit-breaker opens.1 eneral s - Check tightness the power connections the circuit-breaker terminals - Carry out all the preparatory operations the release - Make sure that the value the auxiliary circuit power supply voltage between and 110% the rated voltage the electrical applications - Make sure that there adequate air circulation the place installation avoid overheating - Also carry out the checks specified the following table. Then put the circuit-breaker the connected, test isolated and disconnected position. The signals due the relative operations are given correctly. P itiv ck The spring loading lever moves correctly. The signal changes over. Carry out the operating tests. The signals are correct. The geared motor reloads the springs after each closing operation. The springs are loaded correctly.Putting into service 6. S upply the undervoltage release the corresponding rated voltage and carry out the circuit-breaker closing operation. The circuit-breaker closes correctly