Technical Bulletin

Save space and installation costs
Applications
Mini–power centers are used
where there is a 480V or
600V distribution system and
where there are loads requiring
120/240V single-phase or
208Y/120V three-phase.
Typical installations include:
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Industrial plant assembly lines
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Plant expansions
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Test equipment
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Temporary power on
construction sites
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Waste water treatment
facilities
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Warehouses
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Car washes
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Parking lots
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Commercial buildings
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Golf course irrigation systems
Easy to install
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A variety of concentric
knockouts on the sides
and the bottom
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Wiring compartment includes
ample space for conduit entry
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Maximum wiring gutter space
is provided for ease of wiring,
in compliance with NEC
requirements
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Simplified design includes two
keyholes for easy mounting
and leveling
All-copper mini–power
center components
Circuit breakers
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Primary and secondary main
breakers are Eaton Type EHD
or FDB
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Feeder circuits can easily be
added using Eaton’s family of
Type BAB breakers (10 kAIC);
Feeder breakers not included
Safety
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All live parts are enclosed
for personnel safety and
equipment protection
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Padlockable hinged cover
prevents removal of feeder
breakers
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Grounding terminal provided
on the enclosure
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Designed to accept padlock
kit PLK1 to lock primary main
breaker ON/OFF
Loadcenter
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Space for up to 30 feeder
breakers
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Premium copper chassis for
Type BAB bolt-on breakers
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Ground bar is provided as
standard for grounding of
individual secondary circuits
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Neutral bar grounded to
enclosure
Enclosures
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Standard NEMA Type 3R
indoor/outdoor heavy-gauge
steel enclosure with a rugged
baked-polymer powder coating
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Optional NEMA Type 3R
grade 316 stainless steel
Transformer
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Electrical grade copper
windings
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185ºC insulation system
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115ºC winding temperature
rise
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Sand and resin encapsulated
core-coil assembly
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Cores are grounded with
a copper lead
Standards
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UL listed and CSA certified
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UL listed as suitable for
service entrance
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Meets all applicable
ANSI, NEMA, IEEE
and UL standards
Eaton’s all-copper mini–
power center incorporates
all of the features and
benefits included in the
industry-proven aluminum
model, plus the additional
features of a copper-
wound transformer with
a copper loadcenter
chassis that accepts
bolt-on feeder breakers.
Introduction
Today’s electrical distribution
systems are required to do more
in less space, while at the same
time be cost-effective. Eaton
provides a solution that meets
both of these requirements
with the mini–power center.
The mini–power center
combines three individual
components into a single
NEMA Type 3R enclosure—
a primary main breaker, an
encapsulated transformer and
a secondary main breaker
type distribution loadcenter.
All interconnecting wiring is
completed at the factory.
The all-copper mini–power
center features a copper-wound
transformer along with a copper
loadcenter chassis that accepts
Eaton’s Type BAB family of bolt-
on feeder breakers.
All-copper mini–power center