Eaton Cutler-Hammer 7802C83G01 Скачать руководство пользователя страница 11 | Manualshive

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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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Содержание Cutler-Hammer 7802C83G01

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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 ...

Страница 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 ...

Страница 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...

Страница 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...

Страница 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...

Страница 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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