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Medium Voltage (MCC) NEMA Standard

Ampgard 7.2 kV / 15kV medium-voltage motor control

Ampgard medium-voltage starters are the ultimate in motor control, performance, reliability and protection.  Eaton offers a complete line of full voltage and reduced voltage starter types. This broad selection of medium-voltage control supports a wide range of industrial applications including pulp and paper, water and wastewater, oil & gas and HVAC.

 

Core features

  • Designed and tested to meet UL® 347
  • Available with arc-resistant enclosures that comply with IEEE Standard C37.20.7-2007
  • Outfitted with Eaton’s Type SL vacuum contactors – the industry’s highest interrupting ratings
  • Proven durability with a long-life isolation switch rated for 10,000 mechanical operations
  • Top-mounted main bus for convenient installation and maintenance
  • Starter types include full voltage non-reversing (FVNR), reduced voltage reactor (RVR), reduced voltage autotransformer (RVAT) and reduced voltage solid state soft starter (RVSS)
  • Available with Eaton EMR series of motor protection relays for comprehensive and safe motor monitoring and starting control
  • Completely front accessible
  • Two-high 400 A and one-high 800 A starter configurations

 

Technical Specification

RATINGS
POWER RATING
50-5000 Hp     |   50-7500Hp
INPUT VOLTAGE RATING
2400-6900 V   |   6900 – 15000 V
BASIC IMPULSE LEVEL (BIL)
60 kV BIL         |  95KV BIL
INTERRUPTING RATING
50 kA rms symmetrical
AMBIENT TEMPERATURE
0 to 40 degrees C
STANDARDS
UL
347
NEMA
ICS3
CSA
C22.2
THIRD PARTY RECOGNITION/APPROVAL
UL/cUL available for most configurations
SEISMIC QUALIFICATION
IBC
ENCLOSURE
ENCLOSURE TYPE
NEMA 1, NEMA 12, NEMA 3R
ACCESSIBILITY
Front
INDOOR SECTION DIMENSIONS (TYPICAL)
36″w x 30″d x 92″h
BUS INSULATION
Uninsulated is standard, heat shrink sleeve is optional
BUS SUPPORTS
Glass polyester
DEVICES
SWITCHING DEVICE
Vacuum contactor (400A / 800A)
CONTACTOR CONNECTION
Bolted is standard, stab is optional
FUSE MOUNTING
Bolted is standard, stab is optional