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Instructional Leaflet 

IB48041

Effective December 2009

Instructions for AMPGARD 400A

medium voltage starter

 

eaton corporatIon

 www.eaton.com

Figure 1. Starter with Rating Nameplate

 Danger

exceeDing the nameplate ratings of an ampgarD controller 

may cause equipment Damage, severe injury, or Death.

Do not apply an AMPGARD controller beyond its nameplate ratings.

Table 1.  Contractor Ratings

rated utilization voltage

2200–2500v

3000–3600v

3800–4800v

6000–6900v

Interrupting rating

   NEMA

T

 unfused (E1)

   NEMA fused (E2)

8.5 kA

50 kA

200 MVA at 2400V

8.5 kA

50 kA

295 MVA at 3300V

8.5 kA

50 kA

400 MVA at 4600V

8.5 kA

50 kA

570 MVA at 6600V

Application table

   Induction motor

   Synchronous motor (0.8 PF)

   Synchronous motor (1.0 PF)

Transformer

Capacitor three-phase

1750 hp

1750 hp

2000 hp

1500 kVA

1200 kVAR

2250 hp

2250 hp

2500 hp

2000 kVA

1650 kVAR

3000 hp

3000 hp

3500 hp

2500 kVA

2100 kVAR

4500 hp

4500 hp

5500 hp

4000 kVA

3300 kVAR

Maximum insulation voltage: 7200V

Maximum interrupting current 

   (3 operations)

Rated current

IEC make-break capability-AC1

   Make

   Break

Short-time current

   30 seconds

   1 second

   8.6 milliseconds (0.5 cycle) 

Standard service altitude

Optional service altitude

Mechanical life

Electrical life

BIL

Dielectric strength (60 Hz)

Closing time

   (energization to contact touch)

Operating time

8500A

400A enclosed

4000A

3200A

2400A

6000A

63 kA peak

–1000 to +2000 meters

–3500 to –1001 meters

+2001 to +5000 meters

2.5 million operations

300,000 operations

60 kV (1.2 x 50 microseconds)

20 kV (1 minute)

90 milliseconds

30 to 330 milliseconds

(selectable)

Arcing time

Pickup voltage

Dropout voltage

Control voltages

   AC

   DC

Control circuit burden

   Closing (AC/DC)

   Holding (AC/DC)

Auxiliary contact rating

Voltage (maximum)

Continuous current

   Making capacity (AC)

   Making capacity (DC)

   Breaking capacity (AC)

   Breaking capacity (DC)

Latch (when specified)

   Mechanical life

      Trip voltages (DC)

      Trip voltages (DC)

   Minimum trip voltage

   Trip burden

      (24 Vdc)

      (125 Vdc)

      (110/125 Vac)

   Trip Time

Weight

12 milliseconds (3/4 cycle) or less

90% rated coil voltage

60% rated coil voltage

110/120/220/240 (50/60 Hz)

125

30 VA

600V

10A

7200 VA

125 VA

720 VA

125 VA

250,000 operations

24/120V

110/120V

90% rated coil voltage

30 milliseconds

60 lbs (27 kg) (rollout)

 

Time-rated cycles on 60 Hz base.

Low 

Voltage 

Door

Rating 

Nameplate

Medium 

Voltage 

Door

Содержание Ampgard 400

Страница 1: ...former reduced voltage solid state or two speed type They may control induction or synchronous machines and they may be non reversing or reversing While this instructional leaflet is dedicated primari...

Страница 2: ...ake Break Short time current 30 seconds 1 second 8 6 milliseconds 0 5 cycle Standard service altitude Optional service altitude Mechanical life Electrical life BIL Dielectric strength 60 Hz Closing ti...

Страница 3: ...oor The low voltage compartment is fabricated from steel sheets to provide iso lation from the medium voltage components mounted behind the low voltage compartment A window is provided in the low volt...

Страница 4: ...y equipped with high interrupting contactors to prevent the inadvertent installation of standard interrupting contactors into those cells Figure 7 SL Vacuum Contactor Contactors are typically three po...

Страница 5: ...closing at the same time Low voltage control The low voltage control compartment is located in a steel pocket in the medium voltage door A low voltage door with up to four device panels provides acce...

Страница 6: ...ass ropes or cables through the lift holes Use slings with safety hooks or shackles of adequate load rating Each controller is properly adjusted at the factory before shipment However vibration and me...

Страница 7: ...Compartment Control connections Control wires may enter the enclosure from either the top or the bottom For lineups with main bus a low voltage wireway is located in the left front of the bus compartm...

Страница 8: ...are must be taken to ensure no damage is inflicted on the controller control power transformer CPT potential transformers PT or to the controller load Removal of the primary fuses is sufficient to pro...

Страница 9: ...of the fuse If a fuse has blown due to a fault it is likely that the other fuses experienced a similar overcurrent condition In this case Eaton recommends that all three fuses be replaced Ensure that...

Страница 10: ...e fingers Inspect for any signs of mechanical wear or overheating To withdraw the removable portion 1 Remove the three main fuses 2 Remove the control plug 3 Remove the cotter pin and clevis pin from...

Страница 11: ...Reinstallation is the reverse of the procedure previously discussed Make sure that the shaft of the removable portion of the switch is rotated to the fully open position before reinstallation Danger I...

Страница 12: ...ton Corporation All Rights Reserved Printed in USA Publication No IB48041 Z9119 December 2009 PowerChain Management is a registered trademark of Eaton Corporation All other trademarks are property of...

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