User`s guide

Volume 3—Power Distribution and Control Assemblies CA08100004E—November 2013 www.eaton.com V3-T9-137
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9.3
Metering Devices, Protective Relays, Software and Connectivity
Metering Devices
Features and Benefits
●
Saves installation time
and cost
●
One part number to order;
no need to worry that any
part has been left out
●
Pick the meter or meters
you need as it is designed
to fit various Eaton power
and energy meters, at
varying price points
Factory Wired
Most electrical contractors
are very familiar with wiring
meters. However, it does
take time to place the
disconnect, the CT shorting
blocks, the terminal blocks,
the control power
transformer and so on, and
the associated wiring. It is not
uncommon for errors to be
introduced during the
installation of multiple
meters; it’s just inherent in
wiring. With Eaton’s enclosed
meter line, everything is
wired at the factory—the
shorting block, the terminal
blocks and so on—assuring
that it’s done right. Further, to
ensure safety, Eaton’s
enclosed meter line includes
a primary fusible disconnect
for line voltage, which can be
turned off during meter
maintenance.
For applications with line
voltages above the rated
power supply of the meter,
an optional control power
transformer is supplied in the
enclosure. Control voltage
can also be supplied via a
separate source that is wired
to the field installation
terminal block. CT inputs for
the meter are wired directly
to the shorting terminal
blocks for easy field
installation.
Factory-wired products also
save on installation time and
costs. The meters are flush
mounted on the enclosure
door with all inputs/outputs
factory wired to the terminal
blocks.
A meter subpanel assembly
is also available, which
includes all the internal
components of the single-unit
enclosed meter for the IQ
150/250/260 and PXM 2000
Meters wired and mounted
on a subpanel to be installed
into an existing electrical
structure. It comes with a 48-
inch lead for flexibility in
mounting the meters at
various distances.
NEMA Rated
NEMA 12 enclosure prevents
dust and other materials from
entering the equipment.
Internal gaskets also prevent
air irritants from harming the
vital equipment inside. This
quality enclosure meets most
indoor application needs.
NEMA 3R enclosure is
constructed for either indoor
or outdoor use. It helps to
protect personnel from
access to hazardous parts
and provides a degree of
protection for equipment
inside the enclosure against
ingress of solid foreign
objects (falling dirt), harmful
effects of water (rain, sleet,
snow) and external formation
of ice on the enclosure.
NEMA 4X enclosure provides
the same degree of
protection as the NEMA 3R
with the additional protection
against windblown dust,
splashing and hose-directed
water, and corrosion.
NEMA 12 Front View, Door Open, Prewired and Tested
NEMA 12 Multi-Unit View, Door Open, Prewired and Tested
NEMA 12 Single-Unit Enclosed Meter Inside View,
PXM 4000/6000/8000 Series
Control
Power,
Voltage
and CT
Inputs
Fused
Disconnect
Neutral, Ground
and Input/Output
(not shown)
Ter m i n a l B l o c ks
Prewired Control
Power Transformer
Meter Fusing
CT Shorting
Te r m i n a l
Block
Control power,
voltage, CT and
Communications
Inputs
Gateway Power
Supply
Fused Control
Power Transformer
Fused Disconnect
Meter Fusing
PX Gateway
Ground
CT Shorting Blocks
Display
Fused
Disconnect
Prewired
Control
Power
Transformer
Meter
Control
Power,
Voltage
and CT
Inputs
CT Shorting Terminal Blocks
Meter
Fusing