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USER MANUAL & SERVICE INSTRUCTIONS 

Mechanism can not be charged by 
spring charge motor

Electric motor

- The voltage level might be low at the 

  motor terminals. Correct the voltage level.

- The motor might be burned, must be 

  changed.

Charging motor 

contact

- The contact might be out of service, 

  must be changed.

Motor protection 

fuse automat

- Automat might be taken, please check it.

Circuit Breaker does not make 
closing

Closing coil

- Check the coil wiring connections.

- The voltage might be low at coil 

  terminals.

- The coil might be burned, must be 

  changed.

- Relay settings might be wrong, please 

  check it.

Circuit Breaker does immediately 
opening after closing

Mechanism 

- Mechanism might not be charged, please 

  check it.

Any opening 

component

- The failure might continue because of 

  high voltage.

- Relay settings must be wrong, please 

  check it.

Circuit Breaker makes opening-
closing one after another

Anti-pumping 

relay or opening 

component

- Change the relay and make settings of 

  protection system again.

Circuit Breaker does not make 
opening both remote and local

Coil

- Charge the mechanism by using lever, 

  then make opening.

Circuit Breaker is working but not 
charging

Charging prong

- Charging prong might be broken, please 

  check it.

- Check the reducer gear group; if the 

  failure still continues, call the technical 

  service.

Motor does not stop after charging

Motor charging 

contacts

- Motor charging contacts might be fault, 

  must be changed.

PROBABLE FAILURE TABLE

13

Summary of Contents for RVU Series

Page 1: ...RVU SERIES 12 24kV EMBEDDED POLE VACUUM CIRCUIT BREAKER www ulusoyelektrik com tr...

Page 2: ...mers manage electrical hydraulic and mechanical power more reliably efficiently safely and sustainably We provide integrated solutions that help make energy in all its forms more practical and accessi...

Page 3: ...ain Components Technical Characteristics Drawing Dimensions Circuit Breaker Secondary Wiring Diagram Manuel Operating Instructions Warning and Recommendations Circuit Breaker Storage and Packaging Dim...

Page 4: ...istance and high number of short circuit breaking AII of that reduce the power consumption and the temperature rising due to the longtime running of circuit breaker Under normal conditions the interru...

Page 5: ...um Poles Motion Transfer Cam Mechanism Compartment Wheels Connector Plug Absorber 8 9 10 11 13 12 14 Mechanical Interlock Counter Closing Push Button Opening Push Button Spring Charge Discharge Signal...

Page 6: ...RVU 12 24kV VACUUM CIRCUIT BREAKER 1 Spring Charge Motor 4 Auxiliary Contacts 2 Opening Coil 5 Anti Pumping Relay 3 Closing Coil 6 SpringChargingSwitch 7 Charging Gear 8 Counter 9 MechanicalInterlock...

Page 7: ...USER MANUAL SERVICE INSTRUCTIONS 12 Closing Spring 11 Opening Spring 10 Mechanical Operation Lever Hole...

Page 8: ...t Isc 25kA Rated Short Time Withstand Current 3 sec Operating Sequence O 300msec CO 3min CO Interrupter Vacuum DC Component Max 40 Cable Charging Breaking Current 31 5A System Neutral Neutral earth or...

Page 9: ...USER MANUAL SERVICE INSTRUCTIONS Drawings Dimensions Dimensions are given in mm...

Page 10: ...RVU 12 24kV VACUUM CIRCUIT BREAKER CIRCUITBREAKERSECONDARYWIRINGDIAGRAM VACUUM EMBEDDED CIRCUIT BREAKER CONNECTION DIAGRAM...

Page 11: ...en In order to close the circuit breaker push the red closing button The circuit breaker position indicator will turn into I closed position After the closing operation spring charged discharged signa...

Page 12: ...ts dismounted Inside of coils should be dismounted pull outward Put the new coil inside and screw the bolts Control the coil by your hand if it works or not then make the electrical connections Dismou...

Page 13: ...ng relay to insert its place Insert the link Pull down the track clip to take off motor protection fuse Push the locks of the clip and remove the connections of electrical cables Remove bolts After re...

Page 14: ...avoid any hitting Never clean the poles by using the materials which have unsuitable insulation levels Contact surfaces needs to be clean before making bar connections with a oil free solvent or aceto...

Page 15: ...tely opening after closing Mechanism Mechanism might not be charged please check it Any opening component The failure might continue because of high voltage Relay settings must be wrong please check i...

Page 16: ...edia to get the latest product and support information www ulusoyelektrik com tr www eaton com 2020 Eaton All Rights Reserved May 2020 Eaton is a registered trademark All trademarks are property of th...

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