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Instruction Book

IB182217EN October 2018 www.eaton.com

50 / 75 / 150 DHP [Cable or Hard Bus Application]

Ground and Test Device

SECTION 7: REPLACEMENT OF
COMPONENTS

7.1 GENERAL

In order to minimize production downtime, it is recommended that

an adequate quantity of spare parts carried in stock. The quantity

will vary from customer to customer, depending upon the service

severity and continuity requirements. Each customer should develop

his own level based on operating experience.

7.1.1 ORDERING INSTRUCTIONS

1. Always specify the ground and test device rating information

and general order number, from the nameplate.
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.

Содержание 150 DHP

Страница 1: ...B182217EN 50 75 150 DHP Cable or Hard Bus Application Ground and Test Device Supersedes May 2016 Effective October 2018 150 DHP Ground and Test Device Hard Bus Type Device 150 DHP Ground and Test Device Cable Type Device ...

Страница 2: ...les office should be consulted Sale of the product shown in this literature is subject to the terms and conditions outlined in appropriate Eaton selling policies or other contractual agreement between Eaton and the purchaser THERE ARE NO UNDERSTANDINGS AGREEMENTS WARRANTIES EXPRESSED OR IMPLIED INCLUDING WARRANTIES OF FITNESS FOR A PARTICULAR PURPOSE OR MERCHANTABILITY OTHER THAN THOSE SPECIFICALL...

Страница 3: ...G PLATES 17 4 6 CELL POSITION DESCRIPTION 17 4 7 INSTALLATION OF GROUNDING BUS BARS 18 4 8 DEVICE AMPERAGE CONVERSION PROCEDURE 18 4 9 UNIVERSAL 1200A 2000A G T CONFIGURATION OPTIONAL 19 4 7 1 Changing 1200A Finger Clusters to 2000A 19 4 7 2 Changing 2000A Finger Clusters to 1200A 20 SECTION 5 INSTALLATION INSPECTION 22 5 1 EXAMINATION FOR DAMAGE 22 5 1 1 NAMEPLATE VERIFICATION 22 5 2 INSTALLATION...

Страница 4: ...ing out tests m CAUTION BECAUSE OF THE UNIQUE APPLICATION AND VAST VARIETY OF SYSTEM USER REQUIREMENTS SPECIFIC SAFE OPERATING PROCEDURES FOR THE USE OF THIS DEVICE MUST BE DEVELOPED BY THE USER m WARNING SATISFACTORY PERFORMANCE OF THESE GROUND AND TEST DEVICES IS CONTINGENT UPON PROPER APPLICATION CORRECT INSTALLATION AND ADEQUATE MAINTENANCE THIS INSTRUCTION BOOK MUST BE CAREFULLY READ AND FOLL...

Страница 5: ...eaker Rated Continuous Current at 60 Hz Amps A B C D E F G H 50DHP 250 Dual 1200 2000 20 50 7 00 36 13 2 94 15 12 6 81 16 50 8 50 50DHP 350 Dual a 1200 2000 20 30 7 00 36 73 2 94 15 12 11 24 16 50 8 50 50DHP 350 3000A Dual 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 a 50DHP 350 Dual features extended snubber des...

Страница 6: ... Bus Application Ground and Test Device Table 4 DHP Ground and Test Device Dimensions Hard Bus Application Design Breaker Type Existing Breaker Rated Continuous Current at 60 Hz Amps A B C D E F G H 50DHP 250 Dual 1200 2000 32 00 19 72 7 00 19 45 8 50 16 50 2 00 5 33 B A C C D G H F E ...

Страница 7: ...Bus Application Ground and Test Device Table 5 DHP Ground and Test Device Dimensions Hard Bus Application Design Breaker Type Existing Breaker Rated Continuous Current at 60 Hz Amps A B C D E F G H 150DHP 500 Dual 1200 2000 28 43 10 00 38 85 5 25 23 94 6 00 19 75 10 00 A B B C D E F G H ...

Страница 8: ...est device from the enclosure before performing any maintenance Failure to do so could result in electrical shock leading to death severe personnel injury or property damage Do not leave the ground and test device in an intermediate position in the cell Always have the ground and test device either in the DISCONNECT or CONNECTED position Failure to do so could result in a flash over and possible d...

Страница 9: ...h the original DHP air circuit breakers Use the racking handle originally provided to engage the racking shaft of the G T racking mechanism to move the device into and out of the circuit breaker compartment Grounding Cables Grounding cables are provided only on the cable type G T devices The appropriate size and number of cables are furnished to match the rated short time and momentary ratings The...

Страница 10: ...device while lifting and moving Figure 3 2 a Front External View of 50DHP G T Device Figure 3 2 b Front External View of 150DHP G T Device 3 3 STORAGE If the ground and test device is to be placed in storage maximum protection can be obtained by keeping it in the original shipping crate Before placing it in storage checks should be made to make sure that the G T device is free from shipping damage...

Страница 11: ...aton com 50 75 150 DHP Cable or Hard Bus Application Ground and Test Device Front External View 50DHP G T Shown 1 Kirk Key Interlocks 3 Ground Bus 5 Rail Latch 2 Door Latch 4 Levering Shaft Figure 3 3 a Front External View of DHP G T Device 1 5 4 2 3 ...

Страница 12: ...5 150 DHP Cable or Hard Bus Application Ground and Test Device Figure 3 3 b Rear External View of DHP G T Device 1 1 2 6 5 4 3 Front External View 50DHP G T Shown 1 Primary Disconnects 3 Snubber Bolt 5 Code Plate 2 Shutter Roller 4 Racking Nut 6 Grounding Contact ...

Страница 13: ... 50 75 150 DHP Cable or Hard Bus Application Ground and Test Device 1 5 4 2 3 Figure 3 3 c Front External View of 50DHP 350 G T 3000A Device Front External View 150DHP G T Shown 1 Lifting Points 3 Ground Bus 5 Rail Latch 2 Kirk Key Interlocks 4 Levering Shaft ...

Страница 14: ... 75 150 DHP Cable or Hard Bus Application Ground and Test Device 1 1 2 5 4 3 Figure 3 3 d Rear External View of 50DHP 350 G T 3000A Device Back External View 150DHP G T Shown 1 Primary Disconnects 3 Snubber Bolt 5 Grounding Contact 2 Shutter Roller 4 Racking Nut ...

Страница 15: ...cation Ground and Test Device Figure 3 3 e Front External View of 150DHP GT 500 1200A 2000A Device Front External View 1 Padlock Provision 3 Lifting Points 5 Levering Shaft 2 G T Storage Compartment 4 Kirk Key Interlocks Note N Only offered for 150DHP GT 1200A 2000A Convertible designs 4 3 5 2 1 ...

Страница 16: ... 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 1 Primary Disconnect 3 Grounding Contact 5 Ground Bus 2 Snubber Bolt 4 Lifting Point 6 Code Plate 6 4 5 2 3 1 ...

Страница 17: ...iate door and turn the key This will lock the door and the key will now be able to be removed and inserted into the other lock This feature is not applicable for single terminal ground and test m NOTICE ONLY ONE KEY WILL BE PROVIDED WITH EACH GROUND AND TEST DEVICE THIS PREVENTS THE INTERLOCKING MECHANISM FROM BEING BYPASSED IF A KEY IS LOST CONTACT EATON FOR A REPLACEMENT THIS FEATURE IS NOT APPL...

Страница 18: ...und and test device consists of cycloaliphatic bushings with silver plated copper conductor knobs Primary disconnecting contacts are attached to the knobs these primary disconnects are configured to engage the circuit breaker compartment primary disconnects It is critical to confirm that 1200 ampere primary disconnects are installed prior to insertion in 1200 ampere circuit breaker compartments li...

Страница 19: ...stab ampere rating prior to inserting the G T device If the incorrect finger cluster is mounted on the G T device remove it and install the proper finger cluster 4 7 1 Changing 1200A Finger Clusters to 2000A The 1200A DHP finger cluster is easily changed by removing the 5 16 hex head bolt lock washer and large retaining washer Figure 4 6 4 7 Retain the hex head bolt and lock washer for re installa...

Страница 20: ...ure 4 14 Figure 4 11 Finger Cluster Hardware Figure 4 13 Fitting 2000A Universal G T Finger Cluster Figure 4 14 2000A Universal G T Finger Cluster Removal Figure 4 12 Finger Cluster Hardware Thread the hex bolt into the primary conductor stem and tighten to pull the finger cluster onto the primary stem Once the finger cluster is drawn onto the primary conductor stem but not fully seated remove the...

Страница 21: ...R THE SURFACE OF THE INSULATION OR WITHIN THE CELL BOTTLES FAILURE TO HEAD THIS WARNING CAN CAUSE DEATH SERIOUS PERSONNEL INJURY AND OR PROPERTY DAMAGE Orient the finger cluster with the stainless steel retaining ring and spring marking as shown Figure 4 7 Place the large retaining washer inside the finger cluster cavity Push the 1200A finger cluster onto the primary conductor stem Thread the shor...

Страница 22: ... in line with the location of the snubber bolts on each side of the ground and test device Figure 5 1 Step 2 Adjust the height of the top of the snubber bolt to be between 0 0 and 0 031 0 0 and 1 32 inches below the measured height of the current transformer shelf and tighten the locking nut 5 2 INSERTION PROCEDURES m NOTICE THIS IS NOT A BREAKER OR AN ELECTRICALLY OPERATED GROUND AND TEST DEVICE ...

Страница 23: ...ush Continue cranking until the crank turns freely and the G T device stops moving The G T device should now be in the OPERATING or ENGAGED position 5 5 REMOVAL PROCEDURE To remove the G T device from the operating position engage the levering crank on the levering device shaft Turn the crank counterclockwise until the crank rotates freely Pull the G T device toward the front of the cell until the...

Страница 24: ...h If a solvent is required to cut dirt used Stoddard s Solvent Eaton part number 55812CA or commercial equivalent Hardware Visually inspect all hardware Replace any damaged or missing hardware with parts equivalent to those provided with the ground and test device Power Frequency Withstand Test Individually energize each terminal without cables but with insulating barriers with the frame and devic...

Страница 25: ... to customer depending upon the service severity and continuity requirements Each customer should develop his own level based on operating experience 7 1 1 ORDERING INSTRUCTIONS 1 Always specify the ground and test device rating information and general order number from the nameplate 2 Describe the item give the style number and specify the quantity required 3 Specify the method of shipping desire...

Страница 26: ...levard Cleveland OH 44122 United States Eaton com 2018 Eaton All Rights Reserved Printed in USA Publication No IB182217EN October 2018 Eaton is a registered trademark All trademarks are property of their respective owners ...

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