T R A N S F O R M E R C O M PA N Y
Custom
Custom 600V
600V
Class,
Class,
DryType
DryType
DOE 2016
COMPLIANT
General
General Purpose
Purpose DistributionTransformers
DistributionTransformers
Custom 600 V Class, Dry Type
General Purpose Distribution Transformers
Other
Other
Products
Products
Dry
Dry
Dry
Substation
Substation
Substation
(Bulletin
(Bulletin
(Bulletin30)
30)
30)
Liquid
Liquid
Liquid
Substation
Substation
Substation
(Bulletin
(Bulletin
(Bulletin40)
40)
40)
600V
600V
600V
Dry
Dry
DryType
Type
Type
(Bulletin
(Bulletin
(Bulletin10)
10)
10)
BULLETIN 15
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ENCLOSURES
TENV - NEMA 4 & 4X
GENERAL INFORMATION
K-FACTOR
AUTOTRANSFORMER
CORE & COIL
COIL
MARINE
MARINEDUTY
DUT
The basic purpose of a transformer is voltage transformation as
near as practically possible to the load for economy and distribution of power.Typical loads for dry type distribution
transformers include lighting, heating, air conditioners, fans, and
machine tools. Such loads are found in commercial, institutional,
industrial, and residential structures. Open
pen core and coil
assemblies are typically used by panel builders and equipment
OEM
EM customers who incorporate the entire transformer into
their structures.
MGM
M M Transformer’s
Transformer s single-phase and three-phase
marine-duty transformers have been developed utilizing
over 80 years of commercial and military experience in
magnetic transformer design.This ABS (American Bureau
of Shipping)
Approved
product
been
Ships) TypeType
Approved
product
lineline
has has
been
engineered to meet the unique requirements of marine
applications including commercial and pleasure ships,
offshore oil rigs, tankers, near shore and other harsh
marine environments.
All of MGM’s
M M s facilities are ISO9001
S 001 certified and have
modern testing equipment to meet all the requirements
of ABS,ANSI,
ABS,ANS , CSA, NEMA and UL.
L. Below are just a few
of the enhanced design features of MGM
M M marine duty
transformers.
Core Design – Cores are manufactured from the highest
quality non-aging, cold rolled, grain oriented silicon steel
laminations using stacked, step core construction and
designed to minimize voltage harmonics.All cores are
protected in a vacuum pressure impregnated resin.
Steel Components – All steel parts (frames, base
channels, brackets, rods, etc.), are either coated or plated
to meet
meetsUL50
L50salt
saltspray
sprayrequirements.All
requirements.Allhardware
hardware
(bolts, nuts, washers, etc.), are fully protected in stainless
steel or equivalent finish.
Insulation
220°C
nsulation – 220
C insulation systems are fully vacuum
impregnated and protected.
SCR & DRIVES
DRIVESISOLATION
ISOLATION
ELECTROSTATIC
ELECTROSTATICSHIELD
SHIELD
Drive isolation transformers are specifically
designed for use with AC and DC adjustable
speed drives.Two winding
isolation
or threedrive
winding
drive
transformers
provide: provide:
isolation transformers
Electrostatically (faraday) shielded transformers are designed to protect
sensitive electrical and electronic devices and systems from high frequency
voltages (electrical noise) or transients that occur due to switching and
loading on distribution lines. Electrical noise and transients are classified
two ways: Normal Mode - noise which appears between the hot & neutral
conductors. Common Mode - noise which appears between the ground
wire and hot and neutral conductors. Common mode noise is more
prevalent and should be the key criterion for any noise suppression device.
• Electrical isolation between the incoming
line and the drive circuitry.
• Voltage conversion of input line to standard
drive input voltages.
• Minimized line disturbances caused by SCR
(silicon controlled rectifiers) firing.
• Reduced short circuit currents and voltage
line transients.
Drive isolation transformers are specifically
sized to the drive kVA requirements and are
braced to withstand the mechanical stresses of
current reversals and short circuits associated
with SCR drives.
SERIES
SERIES MULTIPLE
MULTIPLEWINDINGS
WINDINGS
(RECONNECTABLE)
(RECONNECTABLE)
To
To make
make the
the basic
basic single-phase
single-phase transformer
transformer
more versatile, both the primary and secondary
windings can be made in two equal parts.The
two parts can be reconnected either in a series
or in parallel.This provides added versatility as
the primary winding can be connected for
either 480 volts or 240 volts and the secondary
winding can likewise be divided into two equal
parts providing either 120 or 240 volts.
(Note: there will be four leads per winding
brought out to the terminal compartment
rather than two). Either arrangement will
not affect the capacity of the
transformer. Secondary windings are
rated with a slant such as 120/240 and
can be connected in a series for 240V
or in a parallel for 120V or 240/120V
(for 3-wire operation). Primary
windings rated with an “X” such as
240X480 can operate in series or
parallel but are not designed for 3-wire
operation.A transformer rated
240X480V primary, 120/240V secondary
could be operated in 6 different voltage
combinations.
LOW SOUND
SOUND LEVEL
LEVEL
Low sound transformers are designed to have average sound levels 3 dB
below NEMA ST-20 standards. Depending on kVA rating and KV class, we
may be able to reduce sound level up to 7 dB below NEMA ST-20 standard.
Note: Sound levels are measured in a sound room, not at the installation.
These quieter transformers are ideal for noise sensitive installations such as
schools, hospitals, libraries, and offices. Proper installation procedures
should be used to achieve maximum benefit.
• Available in single-phase
ratings 10 – 500 kVA
• Available in three-phase
ratings 15 – 1000 kVA
V
G
C
1
2
T
T
N
3
4
5
S
6
10
11
B
Example:
Certi i ations
12
13
N
UL Listed, CSA, 220º C Insulation System
ase
Single Phase, rated max. 500 kVA
Three Phase, rated max. 1500 kVA
As called out in numerals. , 10, 15, 25, 30, 3 , 45, 50, 5, 100, 112 , 150, 225, 300, 500, or 1000.
(Other numbers between and 1000 may be used. Construction same as next larger number.)
&
ri ar
e on ar oltage
ingle ase
4 0
B 120 240
20
230 460
110 220
230
ree ase
4 0D
B 20 120
20 D
230D
3 0D
N 5 5D
240 13
440D
450D
B 440 254
D 240 4 0
220 12
550D
2 0D
240
20
20 D 230D
a s
D 240
2
B 440
120
600
230 115
115
C 240D
460D
230 133
220D
C 415D
416 240
360D
2
160
D 4 0 2
240 120 4W
400 231
500D
120D 600D
240 13
3 0 220
320 1 5
No Taps
2 - 21 2% FCAN and 4 - 21 2% FC N
1 - 5% FCAN and 1 - 5% FC N
2 - 21 2% FCAN and 1 - 21 2% FC N
in ing
aterial
Copper
other numbers between K2 and K
re uen
e el
N
N
N
n losure
460 266
160 3
4 0D
N
2 - 21 2% FCAN and 2 - 21 2% FC N
4 - 21 2% FC N
2 - 5% FC N
1 - 5% FCAN and 2 - 5% FC N
Aluminum
e ial eatures
Electrostatic Shield
e erature C ise
150˚C (Standard)
a tor
K01 (Standard)
K20
oun
C 240 x 4 0
460
450
None Blan
No Shield
B
115˚C
K04
K30
0˚C
K06
K0
may by used
060 Hertz (Standard)
NEMA ST-20 (Standard)
3 d elow NEMA
d elow NEMA
e
NEMA 1 (Indoor)
NEMA 3R (Outdoor)
NEMA 4 (TENV)
CC Core & Coil only
050 Hertz
400 Hertz
N
N
1d
5d
elow NEMA
elow NEMA
NEMA (Indoor - SS)
NEMA 3R (Outdoor - SS)
NEMA 4 (TENV - SS)
* We can build units that fall outside of this cataloging scheme. Please contact us for details.
K13
115D
130 5
Department of Energy 2016 Efficiency Standards
Low
Distribution
Transformers
epartment
Department
ofVoltage
Energy
Department
of2016
Energy
Efficiency
of2016
Energy
Efficiency
Standards
2016 Efficiency
Standards
Standards
ow VoltageLow
Distribution
Voltage
Low
Distribution
Transformers
Voltage Distribution
Transformers
Transformers
A distribution transformer provides the final voltage
transformation
in the electric
power
distribution
system
A distributionA
transformer
distributionA
provides
transformer
distribution
the final
provides
transformer
voltage
the
provides
final voltage
the finalbyvoltage
the transformation
high
voltage
current
a power
to a by system by
transformationreducing
in the electric
power
distribution
inpower
the from
electric
system
by
powerline
distribution
transformation
in
the
electric
distribution
system
lower
voltage
for use
in
building.
Theto
ofpower
reducing
thecurrent
high
voltage
current
from
aDepartment
line ato
a
reducing the high
voltage
reducing
from
theaahigh
power
voltage
line
current
apowerfrom
line to a
Energy
(DOE)
hasuse
regulated
efficiency
level
of
for
in a building.
Department
of
lower voltage lower
for usevoltage
in a building.
lower
voltage
The
Department
forthe
useenergy
inThe
a of
building.
The
Department
of
dry-type
distribution
transformers
since
2007.
Energy
(DOE)
has energy
regulated
theregulated
energy
efficiency
level
of
Energy (DOE)low-voltage
has regulated
Energy
the
(DOE)
efficiency
has
level
the
of energy
efficiency
level of
Beginning
indry-type
2016, there
will be newly
amended,
federally
low-voltage
distribution
transformers
since
2007. since 2007.
low-voltage dry-type
distribution
low-voltage
transformers
dry-type
since
distribution
2007.
transformers
mandated,
standards
for
distribution
Beginning
in
2016,
thereinwill
be there
newly
amended,
federally
Beginning in 2016,
thereenergy
will
Beginning
beefficiency
newly
amended,
2016,
federally
will
be newly
amended, federally
transformers.
MGM
Transformer
Company
is at thefor distribution
mandated,
energy
efficiency
standards
forstandards
distribution
mandated, energy
efficiency
mandated,
standards
energy
for distribution
efficiency
of this
newCompany
standard
and
will
the newis at the
transformers.
MGM
Transformer
Company
is at
the
transformers. forefront
MGM Transformer
transformers.
MGM
is atTransformer
the be offering
Company
efficiencies
itsand
products
on
2016.
forefront
of on
this
new
standard
andstandard
will
benew
offering
the
forefront of this
new standard
forefront
will
of this
bestarting
offering
new
theJanuary
and 1,
will
be new
offering the new
ruling applies
to on
three
phase
voltage
dry-type
efficiencies
on
its products
on
January
1,on2016.
efficiencies onThis
its products
efficiencies
starting
January
on starting
its products
1,low
2016.
starting
January 1, 2016.
general purpose distribution transformersThis
manufactured
starting
onapplies
January
1,three
2016.
Transformers
the dry-type
This
ruling
to
phase
low
voltage
dry-type
ruling applies
to three
This
phase
ruling
low
voltage
applies
to
dry-type
three
phasethat
lowmeet
voltage
current
efficiency
requirements
in the U.S.
(NEMAonTP-1)
that1,are
physically
in2016.
the
U.S.
can
continue
to meet
be legally
general
purpose
distribution
transformers
manufactured
starting
on
January
1,on
Transformers
that
thethat meet the
neral purpose
distribution
general
transformers
purposemanufactured
distribution
transformers
starting
January
manufactured
2016.
starting
Transformers
January
that1,
meet
2016.
theTransformers
sold requirements
andefficiency
installed
after
1,
This
units
stored
at manufacturers’
warehouses,
distributor
stock,to be legally
current
requirements
in 2016.
the TP-1)
U.S.
(NEMA
TP-1)
that
are
physically
the U.S.
can
continue
to be
legally
rrent efficiency
current
in
efficiency
theJanuary
U.S. (NEMA
requirements
that
inincludes
the
areU.S.
physically
(NEMA
inTP-1)
the
U.S.
thatcan
areincontinue
physically
to
in
bethe
legally
U.S.
can
continue
job sites,
etc.sold and
sold
and installed
after
January
1,
2016.
This
units
stored at
manufacturers’
warehouses,
distributor stock,
ld and installed
after
January
1,
2016.
installed
Thisafter
includes
January
units
1,includes
stored
2016. at
This
manufacturers’
includes
units
warehouses,
stored at manufacturers’
distributor
stock,
warehouses,
distributor stock,
b sites, etc. job sites, etc.job sites, etc.
Comparison of various efficiency standards: NEMA TP-1, NEMA PREMIUM CSL-3 & DOE 2016
Comparison Comparison
of various
Comparison
of various
standards:
efficiency
of
various
NEMA
standards:
efficiency
TP-1,
standards:
TP-1,
PREMIUM
NEMA
NEMACSL-3
TP-1,
PREMIUM
NEMA
& DOE
CSL-3
PREMIUM
2016 & DOE
CSL-3
2016& DOE 2016
The tableefficiency
below
lists the
minimum
efficiencies
ofNEMA
low-voltage
dry-type
three
phase
distribution
transformers
required for their kVA rating. The standards for transformers manufactured on or after January 1, 2007 are
The table below
The
lists
table
thebelow
minimum
Thelists
table
efficiencies
the
below
minimum
lists
of the
low-voltage
efficiencies
minimumof
dry-type
efficiencies
low-voltage
three
ofdry-type
phase
low-voltage
distribution
threedry-type
phase
transformers
distribution
three phasetransformers
distribution transformers
known as NEMA TP-1 (or Energy Star labeled). On May of 2010 The NEMA CSL-3 standards were introduced
required for their
required
kVA rating.
for their
required
The
kVA
standards
for
rating.
their The
for
kVAtransformers
standards
rating. The
formanufactured
standards
transformers
for transformers
manufactured
on or after January
manufactured
on or1,after
2007January
are
on or after
1, 2007
January
are 1, 2007 are
with higher efficiency ratings than NEMA TP-1. The benefits of CSL-3 transformers are reduced electrical &
known
TP-1
Energy
Star
labeled).
OnThe
May
of 2010
NEMA
CSL-3
were
introduced
known as NEMA
TP-1 as
(orNEMA
Energy
known
Star
as(or
labeled).
NEMA
TP-1
On(or
May
Energy
of 2010
Star
labeled).
NEMA
CSL-3
On The
May
standards
of 2010
were
The standards
NEMA
introduced
CSL-3
standards
were introduced
heat losses, lower total cost of ownership (TCO), greater energy savings and green/LEED design. These
with higher
efficiency
ratings
thanThe
NEMA
TP-1.
The
benefits
of
transformers
are reduced
& electrical &
with higher efficiency
ratings
with
than
higher
NEMA
efficiency
TP-1.
ratings
benefits
thanofNEMA
CSL-3
TP-1.
transformers
TheCSL-3
benefits
are
reduced
of CSL-3electrical
transformers
& electrical
are reduced
features are beneficial for data centers, healthcare installations, schools & colleges, green applications, LEED
heat total
losses,cost
lower
total cost
of total
ownership
greater
energy
savings
anddesign.
green/LEED
These
heat losses, lower
heat
of losses,
ownership
lower
(TCO),
greater
cost of(TCO),
energy
ownership
savings
(TCO),
andgreater
green/LEED
energy
savingsThese
and design.
green/LEED
design. These
buildings and government projects. The CSL-3 efficiency standard was never federally mandated.
features for
aredata
beneficial
forhealthcare
data centers,
healthcare
installations,
schools
& colleges,
green
applications,
features are beneficial
features
centers,
are
beneficial
for
installations,
data
centers,
schools
healthcare
& colleges,
installations,
green
applications,
schools
& colleges,
LEED
green LEED
applications, LEED
Transformers manufactured on or after January 1, 2016 are required to meet the minimum DOE 2016
standard
efficiency
was standard
never
efficiency
federally
wasstandard
never
mandated.
federally
was never
mandated.
federally mandated.
andbuildings
government
projects.
The
CSL-3
buildings and buildings
government
projects.
andThegovernment
CSL-3 efficiency
projects.
The CSL-3
efficiencies listed below. These standards will be federally mandated.
Transformers manufactured
Transformers Transformers
manufactured
on or after manufactured
January
on or after
1, 2016
January
onare
or required
after
1, 2016
January
to
aremeet
required
1, 2016
the minimum
are
to meet
required
the
DOEto
minimum
2016
meet the
DOE
minimum
2016 DOE 2016
efficiencies listed
efficiencies
below. These
listed
efficiencies
standards
below. listed
These
willbelow.
be
standards
federally
These
will
mandated.
standards
be federally
willmandated.
be federally mandated.
KVA
NEMA TP-1
NEMA PREMIUM
DOE 2016
(Three Phase)
(Energy Star)
CSL-3 *
Standards
KVA
KVA NEMA
KVA
TP-1Federally
NEMAMandated
TP-1
NEMA
NEMA
PREMIUM
TP-1
NEMA
PREMIUM
NEMA
DOE
PREMIUM
2016 Federally
DOE Mandated
2016 DOE 2016
Not
Federally
Mandated
(Three Phase)
(Three
Phase)
(Energy
(Three
Phase)
Star)
(Energy
Star)
(Energy
CSL-3
Star)
*
CSL-3
*
Standards
CSL-3
*
Standards
Standards
15 kVA
97.0
97.90
97.89
15 kVA
30 kVA
45 kVA
75 kVA
112.5 kVA
150 kVA
225 kVA
300 kVA
500 kVA
750 kVA
1000 kVA
30 kVA
15 kVA
45 kVA
30 kVA
75 kVA
45 kVA
112.5 kVA
75 kVA
150 kVA
112.5 kVA
225 kVA
150 kVA
300 kVA
225 kVA
500 kVA
300 kVA
750 kVA
500 kVA
1000 kVA
750 kVA
1000 kVA
Federally Mandated
Federally Mandated
Not
Federally
Federally
Mandated
Mandated
Not Federally Mandated
Not
Federally
Federally
Mandated
Mandated
Federally Mandated
Federally Mandated
15 kVA97.0
30 kVA97.5
45 kVA97.7
75 kVA98.0
112.5 kVA
98.2
150 kVA
98.3
225 kVA
98.5
300 kVA
98.6
500 kVA
98.7
750 kVA
98.8
1000 kVA
98.9
97.5
97.0
97.7
97.5
98.0
97.7
98.2
98.0
98.3
98.2
98.5
98.3
98.6
98.5
98.7
98.6
98.8
98.7
98.9
98.8
98.9
97.90
97.0
98.25
97.5
98.39
97.7
98.60
98.0
98.74
98.2
98.81
98.3
98.95
98.5
99.02
98.6
99.09
98.7
99.16
98.8
99.23
98.9
98.25
97.90
98.39
98.25
98.60
98.39
98.74
98.60
98.81
98.74
98.95
98.81
99.02
98.95
99.09
99.02
99.16
99.09
99.23
99.16
99.23
97.89
97.90
98.23
98.25
98.40
98.39
98.60
98.74
98.83
98.81
98.94
98.95
99.02
99.14
99.09
99.23
99.16
99.28
99.23
98.23
97.89
98.40
98.23
98.60
98.40
98.74
98.60
98.83
98.74
98.94
98.83
99.02
98.94
99.14
99.02
99.23
99.14
99.28
99.23
99.28
97.89
98.23
98.40
98.60
98.74
98.83
98.94
99.02
99.14
99.23
99.28
* Published CSL-3 efficiency percentages may vary by manufacturers.
Note:
All efficiency
values
at by
35manufacturers.
percent
of nameplate-rated
according to the DOE Test Method for Measuring the Energy Consumption of
* Published
CSL-3* efficiency
percentages
may
vary
by manufacturers.
ublished CSL-3 efficiency
percentages
Published
mayare
vary
CSL-3
efficiency
percentages
mayload,
varydetermined
by manufacturers.
Distribution Transformers under Appendix A to Subpart K of 10 CFR part 431.
Note: All
values
at 35 percent
of
determined
according
to thefor
DOE
Test Method
for Measuring
the for
Energy
Consumption
of Consumption of
e: All efficiency values
areefficiency
at 35 percent
Note:
All
of are
nameplate-rated
efficiency
values load,
arenameplate-rated
atdetermined
35 percentaccording
ofload,
nameplate-rated
to the DOE
load,
Testdetermined
Method
according
Measuring
tothe
theEnergy
DOE
Test
Consumption
Method
ofMeasuring
the Energy
tribution Transformers
underTransformers
Appendix
Distribution
A tounder
Subpart
Transformers
K of 10ACFR
under
part
Appendix
431.
A toCFR
Subpart
K of 10 CFR part 431.
Distribution
Appendix
to Subpart
K of 10
part 431.
C
BOTTOM
H
*
J
*
J
C
*
J
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*
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C
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®
G
B
MGM TRANSFORMER COMPANY
5701 SMITHWAY STREET
A
F
E
CITY OF COMMERCE, CA 90040
Phone: (800)423-4366, (323)726-0888
A
Fax: (323)726-8224
www.mgmtransformer.com
MGM TRANSFORMER COMPANY
e-mail: sales@mgmtransformer.com
5701 SMITHWAY STREET
F
CITY OF COMMERCE, CA 90040
D
E
Phone: (800)423-4366, (323)726-0888
Submit your quote request at:
Fax: (323)726-8224
www.mgmtransformer.com
Website: www.mgmtransformer.com
D
Weather-shields
Weather-shields
(optional)
(optional)
Primary taps
Primary taps
e-mail: sales@mgmtransformer.com
Wall
K
AVAILABLE
ACCESSORIES
bracket
(optional)
Bottom
Mount Wall Bracket
Side Mount Wall Bracket
OSHPD Seismic Kits
Rain Hoods/Weather Shield Kits
Rodent/Bird Screen
kVA
9 - 15
KVA A
9 - 15
28
30 - 45
32
25 - 50
75
38.5
75
112.5
40.5
112.5
150
40.5
150
225 - 300
51.5
225 - 300
500
66
500
A
B
21
28
26.5
32
28.5
381/2
31.5
401/2
36.5
401/2
40.5
511/2
50.5
66
B
C
14
K
DIMENSIONS (Inches)
DIMENSIONS (Inches)
D
E
F
G
H
C
D
E
F
G
18.5
14
17
23
261/2
17
20
28.5
281/2
20
213/4
28.5
311/2
213/4
213/4
33.5
361/2
213/4
261/2
37
401/2
261/2
32
47.5
501/2
32
21
11.5
181/2
14
23
17.5
281/2
19
281/2
19
331/2
21
37
24
471/2
111/2
14
171/2
19
-
-
-
17
22
26
26
31
19
10.5
35
101/2
21
11.75
44
113/4
24
Submit your quote request at:
quotes@mgmtransformer.com
17
10
13
22
16.5
26
16.5
26
16.5
31
19
35
24
44
H
10
13
161/2
161/2
J
-
161/2
4.63
19
4.63
24
Wall
Weather
Enclosure
Wall
Weather
Bracket Shield
K
Enclosure
Bracket Shield
J
K
WB1
GPA
GPA
WB1/NWB
†
WB1
GPB
GPB
WB1/NWB
†
WB2
GPB+
GPB+
WB2/NWB
†
WB2
GPC
GPC
†
GPC+
GPC+
†
5”
RH5
GPD
45/8
GPD
5”
RH5*
2-5”
RH6
GPE
45/8
GPE
2-5”
RH6*
GPA, GPB, GPB+, GPC, & GPC+ - Dual Rated Indoor/Outdoor design.
*GPD and GPE enclosures require weather shield kits for outdoor (NEMA 3R) installations.
*Weather-shield kits are available for GPD and GPE enclosures only.
† Dual rated enclosures suitable for indoor or outdoor installations. (NEMA 1, NEMA 3R)
Bulletin 15, Printed in U.S.A.
Bulletin 15, 3/2016 Printed in the U.S.A.