Eaton 50 DHP Instruction Book
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Eaton 50 DHP Instruction Book

Eaton 50 DHP Instruction Book

Ground and test device
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Instruction Book IB182217EN
50 / 75 / 150 DHP [Cable or Hard Bus Application]
Ground and Test Device
150 DHP Ground and Test Device (Cable Type Device)
Supersedes May 2016
Effective October 2018
150 DHP Ground and Test Device (Hard Bus Type Device)

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  • Page 1 Supersedes May 2016 Instruction Book IB182217EN Effective October 2018 50 / 75 / 150 DHP [Cable or Hard Bus Application] Ground and Test Device 150 DHP Ground and Test Device (Cable Type Device) 150 DHP Ground and Test Device (Hard Bus Type Device)
  • 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 CELL POSITION DESCRIPTION 4.7 INSTALLATION OF GROUNDING BUS BARS 4.8 DEVICE AMPERAGE CONVERSION PROCEDURE 4.9 UNIVERSAL 1200A/2000A G&T CONFIGURATION (OPTIONAL) 4.7.1 Changing 1200A Finger Clusters to 2000A 4.7.2 Changing 2000A Finger Clusters to 1200A Instruction Book IB182217EN October 2018 www.eaton.com...

  • Page 4: Section 1: Introduction

    To achieve a full rating, ground connecting bus in cell must be replaced with Eaton part 94G7103H09 (one per circuit breaker compartment). Table 2. 50/150DHP Ground and Test Device (Cable Application) Availability and Interchangeability...
  • Page 5 1200 / 2000 29.75 10.00 36.13 2.94 19.35 7.70 19.50 8.50 75 / 150DHP 500 Dual 1200 / 2000 29.38 10.00 36.25 2.94 23.75 10.14 19.38 10.00 - 50DHP 350 Dual features extended snubber design. Instruction Book IB182217EN October 2018 www.eaton.com...
  • Page 6 Table 4. DHP Ground and Test Device Dimensions (Hard Bus Application Design) Existing Breaker Rated Continuous Current at 60 Hz Breaker Type (Amps) 50DHP 250 Dual 1200 / 2000 32.00 19.72 7.00 19.45 8.50 16.50 2.00 5.33 Instruction Book IB182217EN October 2018 www.eaton.com...
  • Page 7 Table 5. DHP Ground and Test Device Dimensions (Hard Bus Application Design) Existing Breaker Rated Continuous Current at 60 Hz Breaker Type (Amps) 150DHP 500 Dual 1200 / 2000 28.43 10.00 38.85 5.25 23.94 6.00 19.75 10.00 Instruction Book IB182217EN October 2018 www.eaton.com...

  • Page 8: Section 2: Safe Practices

    This may result in death, bodily injury or equipment damage. Correctly identify LINE and BUS terminals for the breaker compartment before using • this device. • Store the device in a clean, dry area free from dust, dirt, moisture, etc. Instruction Book IB182217EN October 2018 www.eaton.com...

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

    File claims immediately with the carrier if damage or loss is detected and notify the nearest Eaton office. Tools and Accessories Racking Handlee: A racking handle is not provided for all 50 and 150 DHP G&T types because it is identical in form, fit, and function to...

  • Page 10: Handling

    Figure 3.2.a. Front External View of 50DHP G&T Device Type Amperes 50DHP 250 / 350 Dual 1200 / 2000 50DHP 350 3000 75 / 150DHP 500 Dual 1200 / 2000 / 3000 Figure 3.2.b. Front External View of 150DHP G&T Device Instruction Book IB182217EN October 2018 www.eaton.com...
  • Page 11 50 / 75 / 150 DHP [Cable or Hard Bus Application] Ground and Test Device Figure 3.3.a. Front External View of DHP G&T Device Front External View (50DHP G&T Shown) Kirk Key Interlocks Ground Bus Rail Latch ® Door Latch Levering Shaft Instruction Book IB182217EN October 2018 www.eaton.com...
  • Page 12 50 / 75 / 150 DHP [Cable or Hard Bus Application] Ground and Test Device Figure 3.3.b. Rear External View of DHP G&T Device Front External View (50DHP G&T Shown) Primary Disconnects Snubber Bolt Code Plate Shutter Roller Racking Nut Grounding Contact Instruction Book IB182217EN October 2018 www.eaton.com...
  • Page 13 50 / 75 / 150 DHP [Cable or Hard Bus Application] Ground and Test Device Figure 3.3.c. Front External View of 50DHP 350 G&T 3000A Device Front External View (150DHP G&T Shown) Lifting Points Ground Bus Rail Latch Kirk Key Interlocks Levering Shaft ® Instruction Book IB182217EN October 2018 www.eaton.com...
  • Page 14 50 / 75 / 150 DHP [Cable or Hard Bus Application] Ground and Test Device Figure 3.3.d. Rear External View of 50DHP 350 G&T 3000A Device Back External View (150DHP G&T Shown) Primary Disconnects Snubber Bolt Grounding Contact Shutter Roller Racking Nut Instruction Book IB182217EN October 2018 www.eaton.com...
  • Page 15 Ground and Test Device Figure 3.3.e. Front External View of 150DHP-GT-500 1200A/2000A Device Front External View Padlock Provision Lifting Points Levering Shaft G&T Storage Compartment* Kirk Key Interlocks ® otee: *Only offered for 150DHP-GT 1200A/2000A Convertible designs Instruction Book IB182217EN October 2018 www.eaton.com...
  • Page 16 50 / 75 / 150 DHP [Cable or Hard Bus Application] Ground and Test Device Figure 3.3.f. Rear External View of 150DHP-GT-500 1200A/2000A Device Back External View Primary Disconnect Grounding Contact Ground Bus Snubber Bolt Lifting Point Code Plate Instruction Book IB182217EN October 2018 www.eaton.com...

  • Page 17: Section 4: Description And Operation

    DEVICE. THIS PREVENTS THE INTERLOCKING MECHANISM FROM BEING Figure 4.2. G&T Device In Connect Position - Position “C” BYPASSED. IF A KEY IS LOST, CONTACT EATON FOR A REPLACEMENT. THIS FEATURE IS NOT APPLICABLE FOR SINGLE TERMINAL GROUND AND TEST.

  • Page 18: Installation Of Grounding Bus Bars

    4.1 shows the code plate positioned for insertion in 1200 ampere that 1200 ampere primary disconnects are installed prior to insertion circuit breaker compartments. in 1200 ampere circuit breaker compartments; likewise for tests in Instruction Book IB182217EN October 2018 www.eaton.com...

  • Page 19: Universal 1200A/2000A G&Tconfiguration (Optional)

    The wax will not form a build-up and will not attract conductors (Figure 4.9) and to the inside contact surfaces of the dirt and contaminants if properly applied. Instruction Book IB182217EN October 2018 www.eaton.com...

  • Page 20: Changing 2000A Finger Clusters To 1200A

    (Figure 4.15). The finger cluster should be re-waxed each time a finger cluster is changed or approximately every 50 insertions and removals. The wax will not form a build-up and will not attract dirt and contaminants if properly applied. Instruction Book IB182217EN October 2018 www.eaton.com...
  • Page 21 Thread the shorter hex head bolt and lock washer into the primary • conductor stem and tighten until the flat washer is collapsed. Do not over tighten. Repeat the process until all finger clusters are changed to the • proper rating. Instruction Book IB182217EN October 2018 www.eaton.com...

  • Page 22: Section 5: Installation & Inspection

    5.1.1 NAMEPLATE VERIFICATION Verify the information on the new G&T device matches the information on the purchase order. If any discrepancies exist, notify Eaton for resolution prior to proceeding. Figure 5.1. Current Transformer Shelf 5.3 SNUBBER ADJUSTMENT m NOTICE...

  • Page 23: Removal Procedure

    To remove the G&T device from the cell, press down on the rail latch to free the G&T device from the rail. Pull the G&T device out of the cell. Figure 5.4. Rail Latch Figure 5.3. Racking Ground and Test Device Instruction Book IB182217EN October 2018 www.eaton.com...

  • Page 24: Section 6: Inspection And Maintenance

    Visually inspect all insulating barriers. Ensure that there is not dirt visible on the surface of any of the barriers. If dirt is found, clean with a lint-free cloth. If a solvent is required to cut dirt, used Stoddard’s Solvent (Eaton part number 55812CA) or commercial equivalent. Hardware Visually inspect all hardware.

  • Page 25: Section 7: Replacement Of Components

    2. Describe the item, give the style number, and specify the quantity required. 3. Specify the method of shipping desired. 4. Send all orders or correspondence to the nearest Eaton sales office. 5. Include negotiation number with order when applicable.
  • Page 26 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. IB182217EN All trademarks are property October 2018 of their respective owners.

This manual is also suitable for:

75 dhp150 dhp

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