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Eaton DHP VR + Series Instruction Book

Replacement circuit breaker
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Instruction Book IB182917EN
+
DHP-VR
+
VR-Series
Replacement Circuit Breaker
Supersedes July 2018
Effective
September 2018
50DHP-VR + 250 1200A Shown

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Summary of Contents for Eaton DHP VR + Series

  • Page 1 Supersedes July 2018 Instruction Book IB182917EN Effective September 2018 DHP-VR VR-Series Replacement Circuit Breaker 50DHP-VR + 250 1200A Shown...
  • Page 2 SHALL NOT BECOME PART OF OR MODIFY ANY CONTRACT BETWEEN THE PARTIES. In no event will Eaton be responsible to the purchaser or user in contract, in tort (including negligence), strict liability or other-wise for any special, indirect, incidental or consequential damage or loss whatsoever, including but not limited to damage or loss of use of equipment, plant or power system, cost of capital, loss of power, additional expenses in the use of existing power facilities, or claims against the purchaser or user by its customers resulting from the use of the information, recommendations and descriptions contained herein.

  • Page 3: Table Of Contents

    4.6.3 ANTI-CLOSE INTERLOCK 7.2 ORDERING INSTRUCTIONS 4.6.4 FLOOR TRIPPING AND CLOSING SPRING RELEASE INTERLOCKS 4.6.5 RAIL LATCH 4.7 MISCELLANEOUS ITEMS 4.7.1 GROUNDING CONTACT 4.7.2 MOC AND TOC OPERATIONS 4.7.3 OPERATIONS COUNTER 4.7.4 RACKING DEVICE Instruction Book IB182917EN September 2018 www.eaton.com...

  • Page 4: Section 1: Introduction

    RATINGS. 1.1 VISUAL INSTRUCTION BOOKLET ESSENTIALS ALL POSSIBLE CONTINGENCIES WHICH MIGHT ARISE DURING Eaton provides additional documentation designed to enhance the INSTALLATION, OPERATION, OR MAINTENANCE, AND ALL DETAILS technical information provided in this instruction booklet for the AND VARIATIONS OF THIS EQUIPMENT ARE NOT COVERED BY THESE VR-Series + circuit breakers.
  • Page 5 77 / 130 150DHP-VR + 41 150DHP500/750 1200 / 2000 1.00 77 / 130 All circuit breakers have a 3 second short-time and 3-cycle interrupting ratings. Non-standard rating. Requires bus bracing study and additional switchgear bracing. Instruction Book IB182917EN September 2018 www.eaton.com...
  • Page 6 VR-Series Replacement Circuit Breaker Tablt 2. Availablt DHP-VR + Dimtnsions Existing Circuit Breaker Rated Continuous Current at 60 Hz Circuit Breaker Type (Amps) 50DHP-VR + 1200 / 2000 48.75 22.39 7.00 27.40 8.50 16.52 Instruction Book IB182917EN September 2018 www.eaton.com...
  • Page 7 Breaker Rated Continuous Current at 60 Hz Circuit Breaker Type (Amps) 75/150DHP/DVP-VR + 500/750 1200 / 2000 60.71 31.25 10.00 34.97 10.00 19.75 150DHP-VR + 750C 1200 / 2000 73.60 31.01 10.00 38.46 10.00 19.75 Instruction Book IB182917EN September 2018 www.eaton.com...

  • Page 8: Section 2: Safe Practices

    Circuit brtaktrs art tquipptd with saftty inttrlocks. Do not • dtftat thtm. This may rtsult in tquipmtnt failurt, rtsulting in dtath, stvtrt ptrsonal injury, tquipmtnt damagt and/or improptr optration. Instruction Book IB182917EN September 2018 www.eaton.com...

  • Page 9: Section 3: Receiving, Handling, And Storage

    Examine the circuit breaker for any signs of shipping damage such as broken, missing or loose hardware, damaged or deformed insulation and other components. If damaged or loss is detected, file claims immediately with the carrier and notify an Eaton representative. Tools and Accessories Mainttnanct Tool (Stylt# 94C9506G01)e: This tool is used to manually charge the closing springs.

  • Page 10: Handling

    If the building is not heated, the same general rule for heat as for outdoor storage should be applied. 3.4 APPROXIMATE WEIGHT BY TYPE Tablt 4. Approximatt Wtight by Typt Type Amperes 50DHP-VR + 1200 2000 75/150DHP-VR + 1200 2000 Instruction Book IB182917EN September 2018 www.eaton.com...
  • Page 11 Spring Charged / Discharged Indicator Front Cover Turning Dolly Bracket Circuit Breaker Contact Status Indicator Push To Open Operator Rail Latch Secondary Disconnect Contact Engaging Handle Push To Close Operator Code Plate Manual Charge Socket Instruction Book IB182917EN September 2018 www.eaton.com...
  • Page 12 Figurt 3.3.b. Rtar Exttrnal Vitw of DHP-VR + (50DHP-VR + 250 1200A Shown) Rear External View Lifting Point Primary Disconnect Contact Secondary Disconnect Contact Block Vacuum Interrupter Snubber Bolts Ground Contact MOC Switch Operating Mechanism Racking Nut Housing Guide Channel Instruction Book IB182917EN September 2018 www.eaton.com...
  • Page 13 Front Cover Secondary Disconnect Contact Operating Rod Spring Charged / Discharged Indicator Racking Shaft Turning Dolly Bracket Operations Counter Push to Open Operator Circuit Breaker Contact Status Indicator Push to Close Operator Manual Charge Socket Instruction Book IB182917EN September 2018 www.eaton.com...
  • Page 14 Figurt 3.3.d. Rtar Exttrnal Vitw of DHP-VR + (150DHP-VR + 500 1200A Shown) Rear External View Lifting Point Rail Latch Secondary Disconnect Contact Block Vacuum Interrupter Primary Disconnect Contact Ground Contact Shutter Roller Operator Snubber Bolts Guide Channel MOC Switch Operating Mechanism Racking Nut Housing Instruction Book IB182917EN September 2018 www.eaton.com...

  • Page 15: Section 4: Description And Operation

    The purpose of the contact erosion indicator is to monitor the erosion of the vacuum interrupter contacts, which is very minimal over time with Eaton vacuum interrupters utilizing copper-chrome contact material. The VR-Series + vacuum interrupter assembly incorporates both the original vacuum interrupter erosion indicator and the contact-spring wipe into one all-encompassing indicator.

  • Page 16: Contact Wipe And Stroke

    Figure 4.10.c. Interference of the trip “D” shaft with the trip latch prevents the linkage from collapsing, and holds the circuit breaker closed. Instruction Book IB182917EN September 2018 www.eaton.com...

  • Page 17: Tripping Operation

    Typical ranges as observed using nominal control voltages are listed in Table 4. Instruction Book IB182917EN September 2018 www.eaton.com...
  • Page 18 ‘C’ and ‘NO’ Brown Switch Open in all except between ‘Test’ Terminal Block or Accessible Terminal and ’Connect’ positions Position Switch 1 Position Switch 2 Closed in all except between ‘Test’ and ‘Connect’ positions Instruction Book IB182917EN September 2018 www.eaton.com...

  • Page 19: Interlocks

    It also functions to latch the circuit breaker DO NOT REMOVE THE CODE PLATE FROM THE CIRCUIT BREAKER OR in the ‘Test’ position, as described in the Inspection and Installation CIRCUIT BREAKER COMPARTMENT UNLESS INSTRUCTED BY EATON’S section of this manual (Figure 4.7). POWER BREAKER CENTER.

  • Page 20: Miscellaneous Items

    As the rear pin comes out of the slot, the racking shaft turns freely and the circuit breaker moves no further. Instruction Book IB182917EN September 2018 www.eaton.com...
  • Page 21 Reset / Opening Spring Closing Cam Operations Counter LH Closing Spring Motor Cutoff Switch Ratchet wheel Shunt Trip Assembly Latch Check Switch (To Rear of Motor Cutoff Switch) Manual Charge Socket Spring Release Assembly RH Closing Spring Instruction Book IB182917EN September 2018 www.eaton.com...
  • Page 22 VR-Series + Circuit Breaker Inverted Element Mechanism (150DHP-VR + Shown) LH Closing Spring Spring Release Assembly Reset / Opening Spring Auxiliary Switch Shunt Trip Assembly Manual Charge Socket Motor Cutoff Switch Anti-Pump (Y-Relay) Ratchet Wheel Closing Cam RH Closing Spring Charging Motor Instruction Book IB182917EN September 2018 www.eaton.com...
  • Page 23 Anti-Close Interlock Pole Shaft Spring Crank Motor Ratchet Lever Closing Spring Fixed End Cam Shaft Spring Release (Close) Clapper Closing Spring Spring Release Latch (Close Roller) Spring Release (Close) Coil Holding Pawl Drive Pawl Instruction Book IB182917EN September 2018 www.eaton.com...
  • Page 24 4.10.d. Circuit Breaker Closed and Closing Spring Charged Charging Schematic Main Link Roller Closing Cam Trip Bar “D” Shaft Main Link Cam Shaft Trip Latch Reset Spring Operating Rod Banana Link Shunt Trip Lever Pole Shaft Trip latch Shunt Trip Coil Instruction Book IB182917EN September 2018 www.eaton.com...
  • Page 25 Anti-Close Interlock Pole Shaft Spring Crank Motor Ratchet Lever Closing Spring Fixed End Cam Shaft Spring Release (Close) Clapper Closing Spring Spring Release Latch (Close Roller) Spring Release (Close) Coil Holding Pawl Drive Pawl Instruction Book IB182917EN September 2018 www.eaton.com...
  • Page 26 A.2.d. Circuit Breaker Closed and Closing Spring Charged Charging Schematic Main Link Roller Closing Cam Trip Bar “D” Shaft Main Link Cam Shaft Trip Latch Reset Spring Operating Rod Banana Link Shunt Trip Lever Pole Shaft Trip latch Shunt Trip Coil Instruction Book IB182917EN September 2018 www.eaton.com...

  • Page 27: Section 5: Inspection & Installation

    If any discrepancies exist, notify CLOSE drive spring is centered in this compartment; the nut Eaton’s Power Breaker Center for resolution prior to proceeding. and jam nut for making the compression setting is located on a 5.2 SURE CLOSE MECHANISM ADJUSTMENT...

  • Page 28: Mechanism Operated Cell (Moc) Switch Pantograph Adjustment

    ‘CHARGED’ FLAG IS FULLY VISIBLE. CONTINUE ATTEMPTS TO FURTHER Since the Type DHP-VR + circuit breaker is for use in existing DHP CHARGE MAY RESULT IN DAMAGE TO THE MECHANISM. metal-clad switchgear, installation procedures are similar. If it is Instruction Book IB182917EN September 2018 www.eaton.com...
  • Page 29 When using a foot, care should be taken not to bend the lever by using excessive force. Figurt 5.7. Engagtmtnt of Stcondary Disconntct Contact Instruction Book IB182917EN September 2018 www.eaton.com...

  • Page 30: Racking Circuit Breaker Into Circuit Breaker Compartment

    Pull the circuit breaker toward the front of the circuit breaker compartment until the rail latch engages the slot in the rail. The circuit breaker is now secured in the ‘Test’ position. Instruction Book IB182917EN September 2018 www.eaton.com...

  • Page 31: Section 6: Inspection & Maintenance

    If < 0.6 Contact the PBC ™ ™ at 1-877-276-9379 otte: Contact Eaton for any mtchanism mainttnanct othtr than adjustmtnt or rtplactmtnt of control compontnts. 8 - 32 10 - 32 .25 - 20 .31 - 18 .38 - 16 .50 - 13...

  • Page 32: Vacuum Interrupter Integrity Test

    ALL OPERATING PERSONNEL STAND AT LEAST ONE METER AWAY IN FRONT OF THE CIRCUIT BREAKER. m WARNING DC HI-POTENTIAL TESTS ARE NOT RECOMMENDED BY EATON. DO NOT APPLY DC AT ANY LEVEL TO VR-SERIES + POWER CIRCUIT BREAKERS With the circuit breaker open and securely sitting on the floor, connect all top/front primary studs (bars) together and the high potential machine lead.

  • Page 33: Insulation

    (dc) power supply The recommendations and information contained herein are based capable of delivering no less 100A dc. on Eaton experience and judgment, but should not be considered to To check the primary circuit resistance: •...
  • Page 34 Verify that the mark made in Step 7 is aligned with the pen 6.6). opening. If it is not aligned, this indicates a problem with the circuit breaker - stop the test and consult the factory. Instruction Book IB182917EN September 2018 www.eaton.com...
  • Page 35 Figurt 6.8. With Marktr in Holt “C” , Whilt Closing Circuit Brtaktr Figurt 6.6. Manually Charging Closing Springs Figurt 6.9. Polt Shaft Locattd On Right Sidt Of Circuit Brtaktr Figurt 6.7. Makt a Cltar and Htavy Mark Instruction Book IB182917EN September 2018 www.eaton.com...
  • Page 36 *Note: Use the center of the marker diameter to determine "X" distance If “X” is > 0.6”, then Marker the performance is satisfactory. 8.0 to 10 Inches "X" Inches CloSure Distance Figurt 6.12. Evaluatt tht CloSurt™ Ptrformanct Instruction Book IB182917EN September 2018 www.eaton.com...
  • Page 37 The recommendations and information contained herein are based on Eaton experience and judgment, but should not be considered to be all-inclusive or covering every application or circumstance which may arise. If further information is required, you should consult Eaton’s Electrical Services &...
  • Page 38 - consult the Power Breaker Center for technical support. Sttp 15 - Reassemble the front cover onto the circuit breaker. Return the circuit breaker to its original configuration and setup. Instruction Book IB182917EN September 2018 www.eaton.com...
  • Page 39 CloSure Tool Marker Figurt 6.24. Evaluatt tht CloSurt™ Ptrformanct Figurt 6.21. Polt Shaft Locattd On Ltft Sidt Of Circuit Brtaktr Figurt 6.25. Dtttrmining tht Distanct Travtltd Figurt 6.22. Movt tht Sharpit Ltft and Right ® Instruction Book IB182917EN September 2018 www.eaton.com...

  • Page 40: Maintenance Recommendation

    After a ten year service interval or when ten thousand operations have been reached, contact your local Eaton representative to arrange for factory recertification. During the ten year service interval, no supplemental lubrication with light machine oil is recommended.
  • Page 41 • Control power (CS/T Switch, remains made) Mechanism • Trip Coil Clapper (Not resetting) • Trip Bar or Trip Latch (Poor engagement of mating or worm surfaces) • Trip Bar Reset Sprint (Loss of torque) Instruction Book IB182917EN September 2018 www.eaton.com...

  • Page 42: Section 7: Replacement Parts

    However, when establishing a new operating record, it is a good practice to stock c. Send all orders or correspondence to the nearest Eaton sales one set of control components for every six circuit breakers of the office or contact the PBC direct at 1-877-276-9379.
  • Page 43 Eaton 1000 Eaton Boulevard Cleveland, OH 44122 United States Eaton.com © 2018 Eaton All Rights Reserved Eaton is a registered trademark. Printed in USA Publication No. IB182917EN All trademarks are property September 2018 of their respective owners.

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