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Effective 9/21/99

Page 10

I.L. 70C1080H01

12.0  DISCLAIMERS

This instruction booklet is published solely for information
purposes and should not be considered all inclusive. If
further information is required, consult Cutler-Hammer,
Inc.

The sale of the product shown in this literature is subject
to the terms and conditions outlined in appropriate
Cutler-Hammer, Inc., selling policies or other contractual
agreements between the parties. This literature is not
intended to and does not enlarge or add to any such
contract. The sole source governing the rights and
remedies of any purchaser of this equipment is the
contract between the purchaser and Cutler-Hammer, Inc.

NO WARRANTIES, EXPRESSED OR IMPLIED, IN-
CLUDING WARRANTIES OF FITNESS FOR A PAR-
TICULAR PURPOSE OR MERCHANTABILITY, OR
WARRANTIES ARISING FROM THE COURSE OF
DEALING OR USAGE OF TRADE, ARE MADE RE-
GARDING THE INFORMATION, RECOMMENDA-
TIONS, AND DESCRIPTIONS CONTAINED HEREIN.

In no event will Cutler-Hammer, Inc., be responsible to
the purchaser or user in contract, in tort (including
negligence), strict liability, or otherwise for any special,
indirect, incidental, or consequential damage or loss
whatsoever, including, but not limited to, damage or loss
of the 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 con-
tained herein.

11.0  STANDARDS

The Cutler-Hammer, Inc. Digitrip Trip Units are listed by
the Underwriters Laboratories, Inc.

®

, UL File E52096, for

use in Magnum Circuit Breakers. These same units are
also listed by the Canadian Standards Association (CSA)
under file LR 43556.

All Digitrip units have also passed the IEC 947-2 test
program which includes radiated and conducted emission
testing. As a result, all units carry the CE mark.

 CAUTION

PERFORMING TESTS WITHOUT THE CUTLER-
HAMMER-APPROVED TEST KIT MAY DAMAGE THE
DIGITRIP UNIT

 CAUTION

BEFORE PLUGGING A TEST KIT INTO THE TEST
PORT, PLACE THE LTM JUMPER IN THE INACTIVE
POSITION (SEE FIGURE 4.3). AFTER TESTING,
RETURN THE LTM JUMPER TO ITS ORIGINAL
POSITION.

 WARNING

OBSERVE ALL RECOMMENDATIONS, NOTES, CAU-
TIONS, AND WARNINGS RELATING TO THE SAFETY
OF PERSONNEL AND EQUIPMENT. OBSERVE AND
COMPLY WITH ALL GENERAL AND LOCAL HEALTH
AND SAFETY LAWS, CODES, AND PROCEDURES.

Summary of Contents for Cutler-Hammer 7802C83G01

Page 1: ...s to Module 5 8 4 Wiring the Secondary Block A 5 9 0 Reassembly 6 9 1 Replacing the Trip Deck 6 9 2 Reinstalling the Trip Unit 6 9 3 Reinserting the Rating Plug 7 9 4 Final Internal Visual Inspection 7 9 5 Replacing the Front Cover 7 10 0 Post Installation Testing 7 10 1 When to Test 7 10 2 Code Requirements 8 10 3 Standards Requirements 8 10 4 Test Methods 8 10 4 1 Power Up Check 8 10 4 2 Seconda...

Page 2: ...without auxiliary power will not display data until load current reaches approximately 25 1 phase or 10 3 phase of the In rating A second function of the module is to provide either a ground trip or ground alarm only output contact via the relay supplied in the module On Digitrip 520M models with ground fault protection an LED on the front of the unit also provides an indication of ground fault tr...

Page 3: ...OR MIS INSTALLATION OF ITS PRODUCTS 5 0 INSTALLATION PREPARATION 5 1 Remove Breaker from Line Ascertain that the breaker is completely powered down during the Ground Alarm Power Supply module installation If you unsure as to whether or not the unit is isolated contact a certified electrician 5 2 Manually Tripping the Breaker Before installing the Ground Alarm Power Supply module manually force the...

Page 4: ...emoving the Trip Deck Mounting Plate Using the Phillips screwdriver remove the two top screws that anchor the steel trip deck plate into the breaker frame Be careful not to damage the Trip Indicator Assembly and Over Current Trip Switch Bell Alarm if your breaker contains this option NOTE Observe how the Trip Indicator Assembly Fig 6 4 tabs are located BEHIND the Trip Deck Mounting Plate Upon reas...

Page 5: ...AT THE NEW HARNESSES AND EXISTING WIRING BE TUCKED NEATLY BACK INTO THE BREAKER FRAME LOOSE OR STRAY WIRES MIGHT INTERFERE WITH PROPER FIT AND ALIGN MENT OF THE TRIP UNIT ADDITIONALLY THIS SAME SITUATION MIGHT INHIBIT MOVEMENT OR OPERATION OF CERTAIN MECHANICAL COMPO NENTS WITHIN THE BREAKER Fig 6 4 The Trip Indicator Assembly 8 2 Running the Harness Insert the end with the four pins behind the Gr...

Page 6: ... Mounting Plate in place Tighten all four appropriately and confirm that the trip deck plate is firmly seated 9 2 Reinstalling the Trip Unit Align the Digitrip unit with the guide pin on the plate and spring clip of the Magnum Circuit Breaker see previous Fig 6 3 Press the unit into the breaker until the pins engage into the connectors and the lower spring clip engages over the Digitrip s housing ...

Page 7: ...LD BE TIGHTENED ONLY UNTIL IT IS SNUG DO NOT USE A LARGE SCREWDRIVER A 1 8 3 MM WIDE SCREWDRIVER BLADE IS ADEQUATE Fig 9 2 The steel Control Wire of the Trip Indicator Assembly 9 4 Final Internal Visual Inspection Before proceeding any further do a visual inspection to insure that none of the breaker s internal wiring might hamper any mechanical operation or compromise proper fit of any component ...

Page 8: ... tion 5 4 3 detailed testing information plus a copy of the record forms can be found in the Instructional Leaflet which came with your breaker I L 70C1037 If the Digitrip does NOT have a ground element and the module was installed just for the powering of the LED display then perform an overload test at 200 to verify tripping This would complete the verification sequence If a ground element IS in...

Page 9: ...g high voltage testers and resistance bridges to ensure that ground paths do not exist that could bypass the sensors Use a low voltage 0 to 24 volt high current AC source to apply a test current of 125 percent of the Digitrip unit pickup setting through one phase of the circuit breaker This should cause the breaker to trip on LSIG style trip units in less than 1 second and operate the alarm indica...

Page 10: ...ecial indirect incidental or consequential damage or loss whatsoever including but not limited to damage or loss of the 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 con tained herein 1...

Page 11: ...Effective 9 21 99 Page 11 I L 70C1080H01 Cutler Hammer Pittsburgh PA U S A Effective 9 21 99 Printed in U S A ...

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