Page 1
Technical Data TD02601002E
Effective March 2012
Supersedes December 2002
Current Transformers
Current Transformers
General Description
Eaton’s low voltage current transformers are
available in both solid core and split core designs.
Engineered for electronic metering applications,
all solid core designs and selected split core
designs offer ANSI metering quality accuracy.
The current transformer offering has a 5A
secondary at the rated primary current.
Split core CTs are specifically designed to be
installed around primary conductors without
disconnecting wires or breaking the circuit to be
monitored. These current transformers are perfect
solutions for energy management applications and
are manufactured for installation ease.
Application Description
For new construction and retrofit applications
where no current transformer exists, Eaton offers
a complete selection of low voltage (up to 600V)
current transformers. These current transformers
can be used in commercial grade applications such
as control panels and panelboards. Additionally,
they can be used for most industrial metering
applications in switchboards, switchgear and
motor control centers.
ote:N Not for use with IQ 35M or IQ MESII.
Page 2
Technical Data TD02601002E
Current Transformers
eaton corporation
Effective March 2012
Product Selection
Solid Core ANSI Metering Accuracy
Primary
Current
Rating
300 0.3 1.56 (39.6) S050-301 1 S050BRAC
400 S050-401
500 S050-501
600 S050-601
750 S050-751
800 S050-801
1000 S050-102
1200 S050-122
50 1.2 1.25 (31.8) S060-500 2
100 0.6 S060-101
150 0.3 S060-151
200 0.3 S060-201
400 0.3 3.25 (82.6) S080-401 3 S080BRAC
500 S080-501
600 S080-601
750 S080-751
800 S080-801
1000 S080-102
1200 S080-122
500 0.3 4.25 (108.0) S090-501 4 S090BRAC
600 S090-601
750 S090-751
800 S090-801
1000 S090-102
1200 S090-122
1500 S090-152
1600 S090-162
2000 S090-202
2500 S090-252
3000 S090-302
600 0.3 6.31 (160.3) S025-601 5 S025BRAC
750 S025-751
800 S025-801
1000 S025-102
1200 S025-122
1500 S025-152
1600 S025-162
2000 S025-202
2500 S025-252
3000 S025-302
3500 S025-352
4000 S025-402
25 0.3 Wound
50 W190-050
a
ANSI B0.1
Metering
Class at 60 Hz
(Accuracy in %)
No mounting bracket required.
Window
Size in
Inches (mm)
Diameter
Primary
Figure
Catalog
Number
W190-025 6 W190BRAC
Number for
Dimensional
Data
Mounting
Bracket
Catalog
Number
a
Product Selection (cont.)
Split Core ANSI Metering Accuracy
Primary
Current
Rating
400 2.4 2.00 x 5.50
500 2.4 M000-501
600 2.4 M000-601
800 1.2 M000-801
1000 1.2 M000-102
1200 0.6 M000-122
1500 0.6 M000-152
1600 0.6 M000-162
2000 0.6 M000-202
600 4.8 4.10 x 7.10
750 4.8 M050-751
800 2.4 M050-801
1000 2.4 M050-102
1200 1.2 M050-122
1500 1.2 M050-152
2000 0.6 M050-202
2500 0.6 M050-252
3000 0.6 M050-302
3500 0.6 M050-352
4000 0.3 M050-402
Split Core Current Transformers
Primary
Current
Rating
100 5.0 0.80 x 1.95
150 5.0 M030-151
200 4.0 M030-201
300 2.0 M030-301
400 2.0 M030-401
100 5.0 1.42 x 1.53
150 4.0 M040-151
200 1.5 M040-201
300 1.5 M040-301
400 1.5 M040-401
200 1.0 2.75 x 2.70
300 M060-301
400 M060-401
500 M060-501
600 M060-601
750 M060-751
800 M060-801
1000 M060-102
1200 M060-122
500 1.0 2.60 x 6.25
600 M080-601
800 M080-801
1000 M080-102
1200 M080-122
1500 M080-152
1600 M080-162
2000 M080-202
2500 M080-252
3000 M080-302
ANSI B0.1
Metering
Class at 60 Hz
(Accuracy in %)
Accuracy at
60 Hz (in %)
Window Size
in Inches (mm)
(50.8 x 139.7)
(104.1 x 180.3)
Window Size
in Inches (mm)
(20.3 x 49.5)
(36.1 x 38.9)
(69.9 x 68.6)
(66.0 x 158.8)
Figure Number
for Dimensional
Data
7 M000-401
8 M050-601
Figure Number
for Dimensional
Data
9 M030-101
10 M040-101
11 M060-201
12 M080-501
Catalog
Number
Catalog
Number
2
Page 3
Current Transformers
eaton corporation
Dimensions in Inches (mm)
Figure 1. S050—Approximate Dimensions
Technical Data TD02601002E
Effective March 2012
Approximate weight: 1 lb
H1
LABEL
(4) Open Slots 0.22 x 0.34
2.23
(56.6)
X1
0.44
(11.2)
3.70
(94.0)
(2) Holes 0.20 (5.1) Diameter
1.67
(42.4)
1.88
(47.8)
(5.6 x 8.6)
1.10
(27.9)
0.31
(7.9)
H1
2.75
(69.9)
3.53
(90.0)
3.00
(76.2)
1.56 Dia.
(39.6)
2.25
(57.2)
S050 Mounting bracket
(ordered separately)
X1
Figure 2. S060—Approximate Dimensions
H1
Approximate weight: 5.25 lbs
X1
(2) Slots
0.28 x 0.50
(7.1 x 12.7)
5.25
(133.4)
4.00
(101.6)
(2) 0.28 x 0.50 Slots
(7.1 x 12.7)
3.62
(91.9)
0.88
(22.4)
1.25 Dia.
H1
(31.8)
X1
2.88
(73.2)
0.44 (11.2)
1.95
(49.5)
3.10
(78.7)
4.00
(101.6)
3
Page 4
Technical Data TD02601002E
Current Transformers
eaton corporation
Effective March 2012
Dimensions in Inches (mm) (cont.)
Figure 3. S080—Approximate Dimensions
(8) Open Slots
0.47 x 0.22 (11.9 x 5.6)
5.73 (145.5)
4.85 (123.2)
3.81 (96.8)
S080 Mounting bracket
(ordered separately)
LABEL
H1
Approximate weight: 2.5 lbs
Figure 4. S090—Approximate Dimensions
X1
2.19
(55.6)
(4) Holes
0.42 (10.7) Dia.
0.51
(13.0)
H1
0.55
(14.0)
3.25 (82.6) Dia.
4.70
(119.4)
5.92 (150.4)
4.85 (123.2)
3.81 (96.8)
X1
2.91
1.15
(73.9)
(29.2)
0.44
1.09
(11.2)
(27.7)
5.73
(145.5)
2.84
(72.1)
S090 Mounting bracket
(ordered separately)
4
H1
Approximate weight: 3 lbs
LABEL
X10
1.15
(29.2)
(8) Open Slots 0.47 x 0.22 (11.9 x 5.6)
3.50
(88.9)
4.25 (108.0) Dia.
H1
0.42
(10.7)
4.86 (123.4)
(4) 0.28 x 0.63 (7.1 x 16.0) Slots
X1
2.19
(55.6)
2.97
(75.4)
2.91
(73.9)
6.17
(156.7)
Page 5
Current Transformers
eaton corporation
Dimensions in Inches (mm) (cont.)
Figure 5. S025—Approximate Dimensions
Technical Data TD02601002E
Effective March 2012
S025 Mounting bracket
(ordered separately)
LABEL
H1
Approximate weight: 3 lbs
Figure 6. W190—Approximate Dimensions
X10
2.98
(75.7)
0.56
(14.2)
6.75
(171.5)
0.88
(22.4)
H1
6.37
(161.8)
8.50
(215.9)
6.31
(160.3)
6.75 (171.5)
0.75
(19.1)
4.10
1.28
(104.1)
(32.5)
(4) Slots 0.44 x 1.00
(11.2 x 25.4)
0.44
(11.2)
8.50
(215.9)
4.25
(108.0)
(4) 0.56 (14.2)
Diameter Holes
H2
Approximate weight: 4 lbs
H1
X2
LABEL
X1
4.12
(104.6)
H2 X2
2.75 (69.9)
H1 X1
3.50
(88.9)
4.50
(114.3)
0.75
(19.1)
LABEL
3.48 (88.4)
(4) Closed Slots
0.21 x 0.50 (5.3 x 12.7)
2.19
(55.6)
(4) Open Slots
0.44 x 0.50 (11.2 x 12.7)
0.44
(11.2)
0.50
(12.7)
4.69
(119.1)
3.25
(82.6)
0.38
(9.7)
4.88
(124.0)
(2) Mounting Holes
0.38 (9.7) Diameter
W190 Mounting bracket
(ordered separately)
5
Page 6
Technical Data TD02601002E
Current Transformers
eaton corporation
0.75
)
(4)
s
e
L
0
(
)
63
(
)
0.44
(
)
0
(
)
0
(
)
90
(
)
6.40
(
)
30
(
)
Effective March 2012
Dimensions in Inches (mm) (cont.)
Figure 7. M000—Approximate Dimensions
H1
X1 X2
4.25 (108.0)
H1
X1 X2
3.50 (88.9)
2.00
(50.8)
This End
Removable
LABEL
5.50
(139.7)
Approximate
weight: 1.5 lbs
(2) 0.19 (4.8) Diameter Holes
7.75
(196.9)
0.38
(9.7)
This End
1.13
(28.7)
Removable
Figure 8. M050—Approximate Dimensions
(19.1
LABE
7.1
4.1
104.1
This End Removabl
162.6
7.
185.4
180.3
11.2
10.0
254.0
1.
41.4
0.31 (7.9) Dia. Hole
10.
276.9
Figure 9. M030—Approximate Dimensions
6
Page 7
Current Transformers
eaton corporation
)
0
)
)
53
)
2
)
8
)
50
)
LABEL
r
5
LABEL
Dimensions in Inches (mm) (cont.)
Figure 10. M040—Approximate Dimensions
Technical Data TD02601002E
Effective March 2012
2.
63.5
Figure 11. M060—Approximate Dimensions
LABEL
H1
Terminal Arrangement fo
Ratios 100:5 through 200:
Figure 12. M080—Approximate Dimensions
3.5
89.4
4.7
121.4
3.38 (85.9
1.2
30.5
1.
104.6
36.1
H1
H1
2.70 (68.6)
5.80 (147.3)
X1 - WHITE
H1
2.75 (69.9)
6.05 (153.7)
X2 - BLACK
1.75
(44.5)
H1
H1
2.60 (66.0)
6.05 (153.7)
6.25 (158.8)
9.25 (235.0)
X1 - WHITE
X2 - BLACK
1.75
(44.5)
7
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