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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

m

 WARNING

IMPROPERLY INSTALLING OR MAINTAINING THESE PRODUCTS CAN 

RESULT IN DEATH, SERIOUS PERSONAL INJURY OR PROPERTY DAMAGE.

READ AND UNDERSTAND THESE INSTRUCTIONS BEFORE ATTEMPTING 

ANY UNPACKING, ASSEMBLY, OPERATION OR MAINTENANCE OF THESE 

GROUND AND TEST DEVICES.

INSTALLATION OR MAINTENANCE SHOULD BE ATTEMPTED ONLY 

BY QUALIFIED PERSONNEL.  THIS INSTRUCTION BOOK SHOULD NOT 

BE CONSIDERED ALL INCLUSIVE REGARDING INSTALLATION OR 

MAINTENANCE PROCEDURES.  IF FURTHER INFORMATION IS REQUIRED, 

YOU SHOULD CONSULT EATON.

THE GROUND AND TEST DEVICES DESCRIBED IN THIS BOOK ARE 

DESIGNED AND TESTED TO OPERATE WITHIN THEIR NAMEPLATE 

RATINGS.  OPERATION OUTSIDE OF THESE RATINGS MAY CAUSE THE 

EQUIPMENT TO FAIL, RESULTING IN DEATH, BODILY INJURY AND 

PROPERTY DAMAGE.

ALL SAFETY CODES, SAFETY STANDARDS AND/OR REGULATIONS AS 

THEY MAY BE APPLIED TO THIS TYPE OF EQUIPMENT MUST BE STRICTLY 

ADHERED TO.

THESE GROUND AND TEST DEVICES ARE DESIGNED TO BE INSTALLED 

PURSUANT TO THE AMERICAN NATIONAL STANDARDS INSTITUTE (ANSI). 

SERIOUS INJURY, INCLUDING DEATH, CAN RESULT FROM FAILURE TO 

FOLLOW THE PROCEDURES OUTLINED IN THIS MANUAL.

DISCLAIMER OF WARRANTIES AND LIMITATION OF LIABILITY

The information, recommendations, descriptions and safety notations in this document are based on Eaton’s experience and judgment and 

may not cover all contingencies. If further information is required, an Eaton sales 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 SPECIFICALLY SET OUT IN ANY EXISTING CONTRACT 

BETWEEN THE PARTIES. ANY SUCH CONTRACT STATES THE ENTIRE OBLIGATION OF EATON. THE CONTENTS OF THIS DOCUMENT 

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. The 

information contained in this manual is subject to change without notice. 

This product was manufactured by Eaton at the Power Breaker 

Center (PBC): 310 Maxwell Avenue, Greenwood, SC 29646.
All possible contingencies which may arise during installation, 

operation or maintenance, and all details and variations of this 

equipment do not purport to be covered by these instructions. If 

further information is desired by purchaser regarding his particular 

installation, operation or maintenance of particular equipment, 

contact an Eaton representative.

Summary of Contents for 50 DHP

Page 1: ...182217EN 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 Devic...

Page 2: ...es 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...

Page 3: ...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...

Page 4: ...ng 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 WARN...

Page 5: ...aker 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...

Page 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 50...

Page 7: ...us 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 150...

Page 8: ...st 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...

Page 9: ...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 compar...

Page 10: ...evice 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 s...

Page 11: ...ton 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...

Page 12: ...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...

Page 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 Grou...

Page 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 Sn...

Page 15: ...ation 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...

Page 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...

Page 17: ...ate 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 NOTIC...

Page 18: ...nd 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 en...

Page 19: ...tab 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...

Page 20: ...re 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...

Page 21: ...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 stee...

Page 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 in...

Page 23: ...sh 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...

Page 24: ...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 par...

Page 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 gr...

Page 26: ...evard 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 the...

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