Lead Transformers. CR8448-1000 Datasheet


CR8448-1000 Transformers. Datasheet pdf. Equivalent


CR8448-1000


High Ratio Wire Lead Transformers
High Ratio Wire Lead Transformers
CR Magnetics CR8400 Series of Wire Lead Current Transformers are available in a wide range of sizes and materials to meet any AC current sensing needs. Our General Purpose designs are made from the highest quality silicon steel cores available, and meet most of the common AC current measurement needs. Our Revenue Grade CTs (-N) are made from a nickel alloy core which provides the most linear response over temperature and current level. A line of Ground Fault (-G) CTs for measuring low AC currents including electrical shields. The High Frequency (-F) products are designed for high frequency applications such as high frequency power supplies and motor drives.
GENERAL PURPOSE CURRENT TRANSFORMERS
Part Number CR8401-1000 CR8410-1000 CR8420-1000 CR8420-2000 CR8448-1000 CR8448-2000 CR8449-1000 CR8449-2000 CR8450-1000 CR8450-2000 Ir 10 20 50 75 30 50 50 75 100 200 Vmax RMS 2.2 3.1 5.2 9.0 6.3 13.7 11.6 23 16.5 32 Te (typ.) 1009 1012 1018 1983 990 2046 1016 2046 1021 2037 DCR Ω 49 41 22 90 26 106 35 150 21 73 Frequency 20 - 1 KHz 20 - 1 KHz 20 - 1 KHz 20 - 1 KHz 20 - 1 KHz 20 - 1 KHz 20 - 1 KHz 20 - 1 KHz 20 - 1 KHz 20 - 1 KHz

CR8400 SERIES

Applications Motor Load Measurement Power Meters High Frequency Current Sensing Ground Fault Sensing

Current Transformers

Features High Ratio Standard Footprints Specifications Maximum Continuous Primary Current...



CR8448-1000
High Ratio Wire Lead Transformers
CR Magnetics CR8400 Series of Wire Lead Current Transformers are
available in a wide range of sizes and materials to meet any AC current
sensing needs. Our General Purpose designs are made from the
highest quality silicon steel cores available, and meet most of the common AC
current measurement needs. Our Revenue Grade CTs (-N) are made
from a nickel alloy core which provides the most linear response over
temperature and current level. A line of Ground Fault (-G) CTs for
measuring low AC currents including electrical shields. The High
Frequency (-F) products are designed for high frequency applications such
as high frequency power supplies and motor drives.
GENERAL PURPOSE CURRENT TRANSFORMERS
Part Number
CR8401-1000
CR8410-1000
CR8420-1000
CR8420-2000
CR8448-1000
CR8448-2000
CR8449-1000
CR8449-2000
CR8450-1000
CR8450-2000
Ir
10
20
50
75
30
50
50
75
100
200
Vmax RMS
2.2
3.1
5.2
9.0
6.3
13.7
11.6
23
16.5
32
Te (typ.)
1009
1012
1018
1983
990
2046
1016
2046
1021
2037
DCR
49
41
22
90
26
106
35
150
21
73
Frequency
20 - 1 KHz
20 - 1 KHz
20 - 1 KHz
20 - 1 KHz
20 - 1 KHz
20 - 1 KHz
20 - 1 KHz
20 - 1 KHz
20 - 1 KHz
20 - 1 KHz
CR8400 SERIES
Applications
Motor Load Measurement
Power Meters
High Frequency Current Sensing
Ground Fault Sensing
Features
High Ratio
Standard Footprints
Specifications
Maximum Continuous Primary Current
4 X Ir
Insulation Voltage
3500 Vac/1min
Storage Temp.
-45°C thru +85 °C
Operating Temp. General Purpose & Nickel -40°C thru +85 °C
Operating Temp. High Frequency
-40°C thru +65 °C
Regulatory Agencies
REVENUE GRADE CURRENT TRANSFORMERS
Part Number
CR8448-2500-N
CR8449-2500-N
CR8450-2500-N
CR8459-2000-N
Ir
40
50
75
200
Vmax RMS
6.6
10.0
12.0
11.5
Te (typ.)
2510
2490
2512
2011
DCR
134
187
160
74
Frequency
20 - 1 KHz
20 - 1 KHz
20 - 1 KHz
20 - 1 KHz
DCR
R
V
GROUND FAULT CURRENT TRANSFORMERS
Part Number
CR8401-1000-G
CR8410-1000-G
CR8420-1000-G
Ir
4
7
20
Vmax RMS
0.6
0.8
1.4
Te (typ.)
1005
1007
1011
DCR
49
38
44
Frequency
20 - 1 KHz
20 - 1 KHz
20 - 1 KHz
HIGH FREQUENCY CURRENT TRANSFORMERS
V=
IxR
Te
VL = Vmax -
I x DCR
Te
For best linearity, choose R such that V < 0.8 VL
VL
Part Number
CR8448-2000-F
Ir
50
Vmax RMS
3.9
Te (typ.)
2015
DCR
90
Frequency
20 - 200 KHz
CR8449-2000-F
75
7.4 2017 109 20 - 200 KHz
CR8450-2000-F
100
8.5 2020
63 20 - 200 KHz
Ir = Maximum Input Current to be linearly sensed Vmax = Maximum Voltage (Saturation) CT will develop
Te = Effective turns ratio including losses (All Specifications tested at 60 Hz)
I
Part Number
Prefix
CR8401
CR8410
CR8420
CR8448
A
min
6.99
.275
9.0
.35
15.0
.59
7.11
.280
PACKAGE DIMENSIONS AND OUTLINE (mm/in)
BD
B C D E Part Number A B C D E
max max max Typ
Prefix
min max max max Typ
A
17.53 22.35
.690 .880
8.26
.325
75.08
2.275
CR8449
9.14
.354
26.0
1.02
31.8
1.25
17.0
.67
100
3.94
C
22
.87
27.8
1.09
8.20
.323
73
2.87
CR8450
13.08 36.83 43.18 13.97
.515 1.45 1.70 .55
88.9
3.50
30.0 36.0 9.2
1.18 1.41 .36
100
3.94
CR8459
19
.75
48 60 17.5 200
1.89 2.36 .67 7.88
23.42 29.46 11.05 100
.922 1.16 .435 3.94
E
CR Magnetics, Inc. 3500 Scarlet Oak Blvd. St. Louis MO USA 63122 V: 636-343-8518 F: 636-343-5119
Web: http://www.crmagnetics.com
91
E-mail: sales@crmagnetics.com
F
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