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Eaton AMPGARD NEMA 3R Instruction Booklet
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Eaton AMPGARD NEMA 3R Instruction Booklet

Eaton AMPGARD NEMA 3R Instruction Booklet

Motor control center
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Instruction Booklet IB48091
Instructions for Eaton's AMPGARD
NEMA 3R motor control center
Contents
Description
Section 1: Introduction . . . . . . . . . . . . . . . . . . . . . 2
Section 3: Installation . . . . . . . . . . . . . . . . . . . . . 10
Section 4: Common configurations . . . . . . . . . . . 13
Section 6: Renewal parts . . . . . . . . . . . . . . . . . . 14
Read and understand all the markings, labels, and
instructions before attempting installation, opera-
tion, or maintenance of this equipment .
This equipment must be installed and serviced
only by qualified electrical personnel . Retain this
document for future use .
®
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Summary of Contents for Eaton AMPGARD NEMA 3R

  • Page 1: Table Of Contents

    Instruction Booklet IB48091 Effective October 2022 Instructions for Eaton’s AMPGARD ® NEMA 3R motor control center Contents Description Page Section 1: Introduction . . . . . . . . . . . . . . . . . . . . . 2 Section 2: Receiving, handling, and storing .

  • Page 2: Effective October 2022

    . If further information • OBSERVE NATIONAL ELECTRICAL CODE (NEC), OCCUPATIONAL SAFETY is desired regarding this product, contact your local Eaton sales AND HEALTH ACT (OSHA), AND LOCAL PROCEDURES AND STANDARDS. office .
  • Page 3 A rating nameplate is located on the door of each unit . Listed on this name plate is the factory’s general order number . This number should be given to the Eaton sales office if a question should arise concerning the equipment or if the renewal parts are required .
  • Page 4 Instruction Booklet IB48091 Instructions for Eaton’s AMPGARD ® NEMA 3R motor control center Effective October 2022 1.5 Product description The slanted roof provides a slope for the rainwater to run down the enclosure . Filter and screen in the roof assembly provide a path for NEMA 3R enclosure stands on a sturdy base .
  • Page 5 Instruction Booklet IB48091 Instructions for Eaton’s AMPGARD ® NEMA 3R motor control center Effective October 2022 Roof Wind latch 3-point latch Base Figure 3. Front view with full height doors open. Figure 5. View showing the three-point and wind latch.
  • Page 6 Instruction Booklet IB48091 Instructions for Eaton’s AMPGARD ® NEMA 3R motor control center Effective October 2022 1.7 Main bus The main bus enclosure is mounted on top of the 80-inch tall vertical sections . Main bus enclosure may consist of a 1,000 A, 1,200 A, 2,000 A, or 3,000 A rated main bus and/or 1,000 A rated variable frequency drive (VFD) bus .
  • Page 7 Instruction Booklet IB48091 Instructions for Eaton’s AMPGARD ® NEMA 3R motor control center Effective October 2022 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) .

  • Page 8: Section 2: Receiving, Handling, And Storing

    RVSS Soft Starters . been received . If the equipment has been damaged, file a claim as soon as possible with the carrier and notify the nearest Eaton For further information on installation and application, refer to the representative .
  • Page 9 Instruction Booklet IB48091 Instructions for Eaton’s AMPGARD ® NEMA 3R motor control center Effective October 2022 Table 2. Typical section weights. 2.3 Storing equipment Full Main Typical Equipment contains insulating materials, electrical contacts, and Equipment Actual stucture structure operating mechanisms which must be protected against dirt, mois-...

  • Page 10: Section 3: Installation

    Instruction Booklet IB48091 Instructions for Eaton’s AMPGARD ® NEMA 3R motor control center Effective October 2022 Section 3: Installation 3.1 Procedure of bolting the enclosure to ground Refer to the following figures and tables for information . Figure 10. Footprint and lag-down bolt locations.
  • Page 11 Instruction Booklet IB48091 Instructions for Eaton’s AMPGARD ® NEMA 3R motor control center Effective October 2022 3.2 Procedure of coupling of two units together AMPGARD product enclosed in NEMA 3R enclosure can be close coupled to another gear or incoming line in a single lineup .
  • Page 12 Instruction Booklet IB48091 Instructions for Eaton’s AMPGARD ® NEMA 3R motor control center Effective October 2022 Mid rain cap MID RAIN CAP (904-6212-1) (904-6212-1) End rain cap END RAIN CAP (906-6515-1) (906-6515-1) 32.00 44.00 Figure 12. 44W starter coupled with incoming line.

  • Page 13: Section 4: Common Configurations

    Instruction Booklet IB48091 Instructions for Eaton’s AMPGARD ® NEMA 3R motor control center Effective October 2022 Section 4: Common configurations Following configurations of the units can be considered . 42.32 13.28 102.22 65.00 26.00 44.00 Figure 13. Incoming line with throat connection + main unit (26-inch width incoming unit + 44-inch width gear).

  • Page 14: Section 5: Inspection And Maintenance

    Instruction Booklet IB48091 Instructions for Eaton’s AMPGARD ® NEMA 3R motor control center Effective October 2022 Section 5: Inspection and maintenance Section 6: Renewal parts If any self-tapping screws are stripped out, install a ¼-20 nut When ordering renewal or spare parts, include as much information with locking hardware on the backside of the screw and torque .
  • Page 15 Instruction Booklet IB48091 Instructions for Eaton’s AMPGARD ® NEMA 3R motor control center Effective October 2022 Notes: EATON www.eaton.com...
  • Page 16 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...