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Summary of Contents for Eaton 50DH-VR
- Page 1 Supersedes March 2016 Instruction Book IB182011EN Effective February 2017 50/75/150DH-VR Replacement Circuit Breaker 150DH-VR 1200A Shown...
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Page 2: Disclaimer Of Warranties And Limitation Of Liability
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
4.7 INTERLOCKS 7.2 ORDERING INSTRUCTIONS 4.7.1 RACKING-IN INTERLOCK 4.7.2 ANTI-CLOSE INTERLOCK 4.7.3 RACKING SYSTEM TRIP AND CLOSING SPRING RELEASE INTERLOCKS 4.8 MISCELLANEOUS ITEMS 4.8.1 GROUNDING CONTACT 4.8.2 MOC AND TOC OPERATIONS 4.8.3 OPERATIONS COUNTER Instruction Book IB182011EN February 2017 www.eaton.com... -
Page 4: Section 1: Introduction
FOR LONG USEFUL LIFE OF THE CIRCUIT BREAKERS. IT IS FURTHER provide equal of superior electrical and mechanical performance RECOMMENDED THAT THE INSTALLATION BE PERFORMED BY AN EATON as compared to the design ratings of the original circuit breaker. TRAINED ENGINEER OR TECHNICIAN. - Page 5 1.30 77 / 130 13.8 1000 1200 / 3000 150DH1000 1.30 77 / 130 13.8 1500 1200 / 3000 150DH1500 1.00 98 / 164 All circuit breakers have a 3 second short time rating. Instruction Book IB182011EN February 2017 www.eaton.com...
- Page 6 1200 / 2000 73.06 32.25 10.00 46.12 9.00 26.81 150DH-VR 500/750 (also “U” & “XU”) 1200 / 2000 73.06 32.25 10.00 46.12 9.00 26.81 150DH-VR 1000E 1200 / 3000 87.06 32.25 10.00 54.64 11.00 26.81 Instruction Book IB182011EN February 2017 www.eaton.com...
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Page 7: Section 2: Safe Practices
Always rtmovt tht mainttnanct tool from tht brtaktr afttr • charging tht closing springs. Brtaktrs art tquipptd with saftty inttrlocks. Do not dtftat • thtm. This may rtsult in dtath, bodily injury or tquipmtnt damagt. Instruction Book IB182011EN February 2017 www.eaton.com... -
Page 8: Section 3: Receiving, Handling, And Storage
File claims immediately with the carrier if attached before lifting the breaker. Stand a safe distance away from damaged or loss is detected and notify the nearest Eaton’s Electrical the breaker while lifting and moving. Services & Systems office. -
Page 9: Approximate Weight By Type
Indoor storage should be in a building with sufficient heat and circulation to prevent condensation. If the building is not heated, the same general rule for heat as for outdoor storage should be applied. Instruction Book IB182011EN February 2017 www.eaton.com... - Page 10 Front External View Operations Counter Terminal Block Cover Push To Open Button Breaker Contacts Indicator Secondary Disconnect Slide Racking Access Push To Close Button Manual Charging Socket Position Indicator Spring Charged / Discharged Indicator Instruction Book IB182011EN February 2017 www.eaton.com...
- Page 11 50/75/150DH-VR Replacement Circuit Breaker Figurt 3.4. Rtar Exttrnal Vitw of 15kV DH-VR (150DH-VR 500 1200A Shown) Rear External View Primary Disconnect TOC Switch Operating Mechanism Secondary Disconnect SURE CLOSE MOC Switch Operating Mechanism Instruction Book IB182011EN February 2017 www.eaton.com...
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Page 12: 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 copperchrome contact material. A contact erosion indicator mark is located on the moving stem of the interrupter (Figure 6.1 and 6.2). -
Page 13: Contact Wipe And Stroke
Figure 4.9 as follows: a. Breaker open, closing springs discharged. b. Breaker open, closing springs charged. c. Breaker closed, closing springs discharged. d. Breaker closed, closing springs charged. Instruction Book IB182011EN February 2017 www.eaton.com... -
Page 14: Closing Spring Charging
In this state, the trip latch is disengaged from the trip “D” shaft (unlatched). After the closing springs become charged, the trip latch snaps into the fully reset or latched position (Figure 4.9b) Instruction Book IB182011EN February 2017 www.eaton.com... - Page 15 Protective Relay ‘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 IB182011EN February 2017 www.eaton.com...
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Page 16: Timing
(9). All DH-VR breakers are equipped with a mechanical operations counter (Figures 3.3). As the breaker opens, the linkage connected to the pole shaft lever advances the counter reading by one. Instruction Book IB182011EN February 2017 www.eaton.com... - Page 17 20WR Vacuum Element LH Closing Spring Closing Cam Reset Opening Spring Motor Cutoff Switch Spring Release Assembly Manual Charge Socket Latch Check Switch (Rear) Shunt Trip Assembly Ratchet wheel Operations Counter RH Closing Spring Charging Motor Instruction Book IB182011EN February 2017 www.eaton.com...
- Page 18 29WR Vacuum Element LH Closing Spring Closing Cam Reset Opening Spring Motor Cutoff Switch Spring Release Assembly Manual Charge Socket Latch Check Switch (Rear) Shunt Trip Assembly Ratchet wheel Operations Counter RH Closing Spring Charging Motor Instruction Book IB182011EN February 2017 www.eaton.com...
- Page 19 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 IB182011EN February 2017 www.eaton.com...
- Page 20 4.9.d. 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 IB182011EN February 2017 www.eaton.com...
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Page 21: Section 5: Inspection & Installation
Verify the information on the new VR-Series nameplate matches the information on the purchase order. If any discrepancies exist, Figurt 5.2. Ctll MOC Forct Mtasurtmtnt notify Eaton’s Electrical Services & Systems for resolution prior to proceeding. 5.2 SURE CLOSE MECHANISM ADJUSTMENT ... -
Page 22: Manual Operation Check
FACEPLATE, OR USE BOTH FULLY OPENED HANDS FLAT ON THE FRONT OF is connected to an energized circuit. Tests must be performed with THE FACEPLATE. the breaker withdrawn from the cell or in the disconnect position. Instruction Book IB182011EN February 2017 www.eaton.com... -
Page 23: Cell Position Description
The breaker is in a trip-free status and in a non- contact block can be felt to be fully engaged in the secondary operable state in the withdrawn position block’s socket. The spring charging motor will begin to run and Instruction Book IB182011EN February 2017 www.eaton.com... -
Page 24: Insertion Procedure
This is the “DISCONNECT” position. Figurt 5.6. Instrtion of DH-VR (150DH-VR Shown) Figurt 5.8. DH-VR in Ttst Position (150DH-VR Shown) Instruction Book IB182011EN February 2017 www.eaton.com... -
Page 25: Removing Breaker From Cell
To remove the breaker from the cell it must be in the open position. Insure the breaker is open and engage the levering crank. Move the breaker out by rotating the levering crank counter-clockwise. The breaker will start coming out of the Instruction Book IB182011EN February 2017 www.eaton.com... - Page 26 This will place the breaker in a “trip-free” mode but will not discharge the closing springs. This prevents unnecessary wear to the breaker mechanism. Instruction Book IB182011EN February 2017 www.eaton.com...
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Page 27: Section 6: Inspection & Maintenance
Test 6.8.1 If < 0.6 Contact P.B.C. ™ ™ At 1-877-276-9379 BOLT SIZE 8 - 32 10 - 32 .25 - 20 .31 - 18 .38 - 16 .50 - 13 TORQUE Lb. In. Instruction Book IB182011EN February 2017 www.eaton.com... -
Page 28: Vacuum Interrupter Integrity Test
WILL CAUSE THE BREAKER TO FAIL TO INTERRUPT AND THEREBY CAUSE PROPERTY DAMAGE OR PERSONNEL INJURY. WARNING DC HI-POTENTIAL TESTS ARE NOT RECOMMENDED BY EATON. DO NOT Figurt 6.1. Vacuum Inttrrupttr Showing Contact Erosion APPLY DC AT ANY LEVEL TO VR-SERIES POWER CIRCUIT BREAKERS... -
Page 29: Insulation
1125 RMS, 60 Hz. Maintain the voltage for “T” Shape Indicator Not Visible one minute. Successful withstand indicates satisfactory insulation “Wipe” Unsatisfactory strength of the secondary control circuit. Remove the shooting wire and reconnect the motor leads. Instruction Book IB182011EN February 2017 www.eaton.com... -
Page 30: Primary Circuit Resistance Check
Resistance conversion for Temperature The recommendations and information contained herein are based (1 + (T on Eaton Electrical experience and judgment, but should not be conversion Factory Field Factory... - Page 31 Center for technical support. Sttp 15 - Reassemble the front cover onto the circuit breaker. Return the circuit breaker to its original configuration and setup. Figurt 6.7. Attaching CloSurt™ Ttst Tool at Holt “A” & “B” Instruction Book IB182011EN February 2017 www.eaton.com...
- Page 32 Ltft and Right Figurt 6.9. Makt a Cltar and Htavy Mark ® Figurt 6.10. With Marktr in Holt “C” , Whilt Closing Brtaktr Figurt 6.13. Top vitw of Cam and Marktr Inttrfact CloSure Tool Marker Instruction Book IB182011EN February 2017 www.eaton.com...
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Page 33: Lubrication
Figurt 6.14. Evaluatt tht CloSurt™ Ptrformanct All parts that require lubrication have been lubricated during the assembly with molybdenum disulphide grease. Eaton No. 53701QB. Over a period of time, this lubricant may be pushed out of the way or degrade. Proper lubrication at regular intervals is essential for maintaining the reliable performance of the mechanism. - Page 34 • 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 IB182011EN February 2017 www.eaton.com...
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Page 35: Section 7: Replacement Parts
Each customer should develop his own level based on operating experience. However, when c. Send all orders or correspondence to the nearest Eaton sales establishing a new operating record, it is a good practice to stock office or contact the PBC direct at 1-877-276-9379. - Page 36 Eaton 1000 Eaton Boulevard Cleveland, OH 44122 United States Eaton.com © 2017 Eaton All Rights Reserved Eaton is a registered trademark. Printed in USA Publication No. IB182011EN All trademarks are property February 2017 of their respective owners.
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