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Instruction Booklet

IB48091

Effective October 2022

Instructions for Eaton’s AMPGARD

NEMA 3R motor control center

EATON

www.eaton.com

1.8 Bus splicing

Connect the bus bars using the splice plate provided with the equipment . Tighten the bolts to 20 ft-lb (27 N m) .

Figure 7. Front view of bus splicing in main bus assembly.

Figure 8. Rear view of bus splicing in main bus assembly.

Access to the bus compartment from front to

connect the busbars with splice plates .

Access to the bus compartment from rear side

to connect the busbars with splice plates .

Main bus

splice plate

VFD bus

splice plate

Содержание AMPGARD NEMA 3R

Страница 1: ...ations 13 Section 5 Inspection and maintenance 14 Section 6 Renewal parts 14 Read and understand all the markings labels and instructions before attempting installation opera tion or maintenance of th...

Страница 2: ...THE HANDLE NEVER LEAVE THE ISOLATION SWITCH IN AN INTERMEDIATE POSITION ALWAYS MOVE THE HANDLE TO THE FULLY OPEN OR FULLY CLOSED POSITION USE ADEQUATE FALL PROTECTION WHEN WORKING ABOVE GROUND LEVEL S...

Страница 3: ...quipment or if the renewal parts are required Refer to Figure 1 for the typical location of the rating nameplates Figure 1 Rating nameplate on the door 1 4 Ratings Table 1 Enclosure rating NEMA 3R Con...

Страница 4: ...r or incoming line weld cell and the roof Various designs of side covers are made available to connect with various adjoining structures Figure 2 Front view The slanted roof provides a slope for the r...

Страница 5: ...on s AMPGARD NEMA 3R motor control center EATON www eaton com Figure 3 Front view with full height doors open Figure 4 Rear view showing the rear cover Figure 5 View showing the three point and wind l...

Страница 6: ...FD bus The standard bus is uninsulated and can be silver or tin plated Option of insulated bus is available The main bus enclosure in a starter section may include vertical bus drops to connect to the...

Страница 7: ...te provided with the equipment Tighten the bolts to 20 ft lb 27 N m Figure 7 Front view of bus splicing in main bus assembly Figure 8 Rear view of bus splicing in main bus assembly Access to the bus c...

Страница 8: ...ing on the length of the lineup it may be necessary to ship the equipment in several shipping sections splits to facilitate handling Each shipping section split is shipped bolted to a wooden skid and...

Страница 9: ...477 670 3 000 1 529 693 24 610 32 813 1 000 1 608 729 1 200 1 318 598 2 000 1 342 609 3 000 1 390 630 4 in transition line 4 102 4 102 63 29 2 3 Storing equipment Equipment contains insulating materi...

Страница 10: ...others Alternative mounting systems must have equal or greater average ultimate tensile and shear load capabilities as SAE Grade 5 hardware In addition to the load capabilities of the mounting system...

Страница 11: ...r firmly Figure 11 Coupling of two units together 2 Fix the units to each other with the help of 8 coupling holes on side covers 3 Install 1 2 hardware with lock washers and 1 2 extra wide 1 5 O D fee...

Страница 12: ...or control center EATON www eaton com Figure 12 44W starter coupled with incoming line ote N Remove the lifting angles from top of the units and discard them 1 1 2 2 3 3 4 4 A A B B C C D D END RAIN C...

Страница 13: ...acent transformer switchgear Follow the instructions below for coupling incoming line with throat connection with transformer adjacent switchgear 1 Remove the sealing ring marked in Figure 13 from the...

Страница 14: ...ew and torque Periodically inspect the air filter in the roof if present and replace if soiled or clogged Figure 14 Filter in the roof Section 6 Renewal parts When ordering renewal or spare parts incl...

Страница 15: ...15 Instruction Booklet IB48091 Effective October 2022 Instructions for Eaton s AMPGARD NEMA 3R motor control center EATON www eaton com Notes...

Страница 16: ...ement 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 THOS...