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 172 z 660

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Insert the auxiliary contacts suitable signalling circuits. Note.Putting into service 6. The circuit-breaker opens correctly. Insert the auxiliary contacts suitable signalling circuits. Supply the shunt closing release its rated voltage.2). The signals are correct.1 eneral res - 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. C arry som sin and g operations. Positive check The spring loading lever moves correctly. Attempt circuit-breaker closing operation. 14/1 08 . The circuit-breaker closes correctly. Disconnect voltage the release. The signals are correct. Racking-in operation: the circuit-breaker racks in correctly. The signals are correct. Supply the shunt opening release the corresponding rated voltage. S upply the undervoltage release the corresponding rated voltage and carry out the circuit-breaker closing operation. The geared motor stops with the springs loaded. Interlocking devices between circuit-breakers side by side and one top another (if any) 10 For withdrawable circuit-breakers: racking -in/out device Procedure Carry out some opening and closing operations (see the chapter 7. Carry out some circuit-breaker closing and opening operations. The signals are correct. Then put the circuit-breaker the connected, test isolated and disconnected position. The signals are given correctly. Supply the spring loading geared motor the corresponding rated voltage. Both anual and electrical closing are prevented. Model L3447 A pparatus Emax DC S cale D oc-N 1SDH000635R0002 Page No. The signal changes over. The geared motor reloads the springs after each closing operation. Close the circuit-breaker. Carry out some racking-in and out operations. Open the circuit-breaker. 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. CAUTION When there undervoltage release, the circuit-breaker can only closed after the release has been electrically energized. Item inspected 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 vice irc it-b rs connected and disconnected. The first turns the crank handle do not meet with particular resistance. The signals due the relative operations are given correctly. Supply the undervoltage release the corresponding rated voltage (if any). The locks function correctly. The circuit-breaker opens. Carry out the operating tests. The springs are loaded correctly. The circuit-breaker closes correctly