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Instruction Booklet

IB48088

Effective July 2021

Instructions for Eaton’s 7.2 kV Ampgard AR

(arc resistant motor control center)

(Compliant to IEEE C37.20.7-2017)

EATON

www.eaton.com

Figure 18. 50 kA arc resistant line-up. (Shown with close-coupled with Eaton SC9000 frame-D medium voltage drive.

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Summary of Contents for Ampgard AR

Page 1: ...istant MVCC and Eaton VacClad switchgear 13 Section 5 Duct and plenum installation 17 5 1 Receiving 17 5 2 Handling 17 5 3 Access to equipment 17 5 4 Exhaust duct 17 5 5 Medium voltage cableways 20 5...

Page 2: ...starters and reduced voltage starters such as reactor auto transformer and solid state starters Equipment qualified as arc resistant in accordance to IEEE C37 20 7 2017 is intended to provide an addi...

Page 3: ...continuous current Rated short circuit current withstand 2 second Dielectric withstand Impulse kV rms Amperes Amperes kV rms kV peak Amperes kA rms sym 7 2 1 400 400 18 2 60 1000 1200 2000 3000 50 2 4...

Page 4: ...the upper fuse mounting behind the service barrier The bottom end of the power fuses are connected to the lower fuse mounting that contain the line side bolted or stab in connections for the main cont...

Page 5: ...uses and pull the blown fuse indicator down to rest on top of the fuse Ferrell You will hear a click 12 Reposition the service barrier and reinstall the six bolts Tighten until the lock washers are fl...

Page 6: ...for Eaton s 7 2 kV Ampgard AR arc resistant motor control center Compliant to IEEE C37 20 7 2017 EATON www eaton com Figure 7 Low voltage control compartment Figure 8 Sealing gaskets Isolation switch...

Page 7: ...an incoming line section may include vertical bus drops to connect the incoming line cables Options for both the top and bottom entry motor cables are available Also included in the main bus enclosur...

Page 8: ...ment particular to its arc resistant enclosure This document must be used in conjunction with the following instructions specific to the type of starter being installed IB48041 AMPGARD 400 A Motor Sta...

Page 9: ...t mechanical interlocks Therefore a final inspection is essential before energizing Figure 11 Location of lifting plates After the section has been moved into installation position remove the hooks an...

Page 10: ...h arc resistant MV MCC vertical section mounting hole location must be considered Consult a licensed structural or civil engineer prior to selecting a mounting system if a system other than that recom...

Page 11: ...e following ways shown below Figure 13 Exhaust duct exiting the plenum Figure 14 Exhaust duct manifold side s ONLY Figure 15 Closed coupled with Eaton VacClad switchgear Back to back B2B Figure 16 Clo...

Page 12: ...e July 2021 Instructions for Eaton s 7 2 kV Ampgard AR arc resistant motor control center Compliant to IEEE C37 20 7 2017 EATON www eaton com Figure 14 50 kA arc resistant line up Shown with dual exha...

Page 13: ...ion must be attached to the switchgear before the plenums are installed Follow the instructions below for coupling the Ampgard AR lineup to the VacClad switchgear 1 Position the Ampgard AR lineup next...

Page 14: ...E C37 20 7 2017 EATON www eaton com 5 Make all bus splice connections Torque per Table 6 6 Cover all bus connections with the supplied bus boots 7 Replace the covers that were removed in order to acce...

Page 15: ...July 2021 Instructions for Eaton s 7 2 kV Ampgard AR arc resistant motor control center Compliant to IEEE C37 20 7 2017 EATON www eaton com Figure 17 50 kA arc resistant line up Shown with close coup...

Page 16: ...2021 Instructions for Eaton s 7 2 kV Ampgard AR arc resistant motor control center Compliant to IEEE C37 20 7 2017 EATON www eaton com Figure 18 50 kA arc resistant line up Shown with close coupled w...

Page 17: ...ach shipping group Using a four leg bridle sling chain place one hook through each of the four eyes to lift and move the group No leg of the sling shall be at an angle greater than 45 degrees from the...

Page 18: ...y be used however the support hardware may not be drilled or screwed into the duct Arc duct hanger assembly 69C4455G01 is available from Eaton as shown in the Figure 21 The duct must have a downward s...

Page 19: ...uction Booklet IB48088 Effective July 2021 Instructions for Eaton s 7 2 kV Ampgard AR arc resistant motor control center Compliant to IEEE C37 20 7 2017 EATON www eaton com Figure 21 Exhaust duct comp...

Page 20: ...slots Secure it in place with hardware kit 25A4361G12 see Figure 22 The low voltage cableway is built into the plenum It will need two screws and two flat washers from hardware kit 25A4361G12 to compl...

Page 21: ...the bolts until all the hardware and plenum assemblies are in place Follow the steps below to install the plenum and its accessories 1 Remove the hardware from the front and rear flange of the main bu...

Page 22: ...C37 20 7 2017 EATON www eaton com Figure 24 Installing the plenums 4 Install the reinforcement angle parts as shown in Figure 25 and Figure 26 5 Use hardware kit 25A4361G10 for the plenum section fro...

Page 23: ...ctive July 2021 Instructions for Eaton s 7 2 kV Ampgard AR arc resistant motor control center Compliant to IEEE C37 20 7 2017 EATON www eaton com Figure 25 Installing the reinforcement angles Figure 2...

Page 24: ...op of the gear and then lift the duct collar inside the plenum and install it immediately before installing additional plenum assembly sections e Use 1 4 in 20 bolts lock washers flat washers and nuts...

Page 25: ...to the top of the plenum 15 Align all the holes of the cableway cutout in the plenum roof with the holes on top flanges of the cableway 16 Only use the middle holes on each side to anchor the cablewa...

Page 26: ...ter Compliant to IEEE C37 20 7 2017 EATON www eaton com Figure 29 Holes used to attach the MV plenum conduit to the plenum roof 19 Install the arc gas deflector parts as shown in Figure 30 Use hardwar...

Page 27: ...rd AR vents the hot arc gases produced away from designated areas and the personnel that could be present Personnel cannot be permitted in the arc gas vent area during normal operation The following f...

Page 28: ...ant motor control center Compliant to IEEE C37 20 7 2017 EATON www eaton com Figure 32 Additional minimum requirements for the arc gas vent area Table 7 Duct end assembly requirements Dimension Duct e...

Page 29: ...install a 1 4 in 20 nut with locking hardware on the backside of the screw and torque per Table 6 Periodically inspect the air filter on the duct if present and replace if soiled or clogged Section 8...

Page 30: ...30 Instruction Booklet IB48088 Effective July 2021 Instructions for Eaton s 7 2 kV Ampgard AR arc resistant motor control center Compliant to IEEE C37 20 7 2017 EATON www eaton com Notes...

Page 31: ...31 Instruction Booklet IB48088 Effective July 2021 Instructions for Eaton s 7 2 kV Ampgard AR arc resistant motor control center Compliant to IEEE C37 20 7 2017 EATON www eaton com Notes...

Page 32: ...ther 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 MERCHANTAB...

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