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Ampgard 15 kV 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 and gas and HVAC.

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Voltage Class
15 kV
Horsepower
up to 7500 Hp
Main Bus Rating
up to 3000 A

Core features

  • Designed and tested to meet UL® 347
  • 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) 
  • Available with Eaton EMR series of motor protection relays for comprehensive and safe motor monitoring and starting control

View design guide (layouts, technical data and application information)

Download guide spec (26 18 39)

Learn more about power system design basics

Image gallery

View images of Ampgard 15 kV medium-voltage motor control

15 kV starter, front view
15 kV power fuse
15 kV 300 amp vacuum contactor
Low voltage control compartment with EMR5000 realy and Insulgard
15 kV isolation switch with grounding provisions

Start your 15kV motor with a product specifically designed for motor application

Traditionally 15 kV motors have been started with medium-voltage breakers. Now you can start your motor with a vacuum starter, saving space while reducing maintenance requirements.

Remote operator for enhanced safety

The Ampgard Remote Operator (ARO) for the starter isolation switch that, when mounted on the front of the starter, allows personnel to safely open and close the switch from outside the arc flash boundary.
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Integrated control gear streamlines multi-configuration line-ups

Compact and economical solution combining Eaton’s Ampgard main breaker and motor starters with the SC9000 medium-voltage drive across a common bus in a single high quality, integrated assembly. Entire assembly is available as arc-resistant.

Ampgard, the name motor applications rely on

Eaton has been an industry leader for more than 50 years, providing UL 347 certified medium-voltage control. When it comes to controlling and protecting medium-voltage motors, the Ampgard family is the premier high-performance choice.
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Specifications

View design guide (layouts, technical data and application information)

Download guide spec (26 18 39)

Learn more about power system design basics

RATINGS

POWER RATING                         100-7500 Hp
INPUT VOLTAGE RATING 7200-13800 V
BASIC IMPULSE LEVEL (BIL) 75 kV / 95 kV 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 Heat shrink sleeve
BUS SUPPORTS Glass polyester

DEVICES

SWITCHING DEVICE                                           
 Vacuum contactor (300A)          
CONTACTOR CONNECTION
 Stab
FUSE MOUNTING Bolted
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Eaton is an intelligent power management company dedicated to improving the quality of life and protecting the environment for people everywhere. We are guided by our commitment to do business right, to operate sustainably and to help our customers manage power ─ today and well into the future. By capitalizing on the global growth trends of electrification and digitalization, we’re accelerating the planet’s transition to renewable energy and helping to solve the world’s most urgent power management challenges.
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