Topstek AC Current Sensors TX7P-5A .. TX7P-20A
TX7P-5A~20A
Features
iHigh
reliability AC current measurement device
iQuick
response speed, very low phase lag
iHigh
isolation voltage between the measuring circuit and the
current-carrying conductor (AC4KV)
iAll
materials used are RoHS compliant
iFlame-Retardant
plastic case and silicone encapsulant, using UL 94V0
classified materials, protect against environmental contaminants and
vibration over a wide temperature and humidity range
Applications
iADC
inputs
iPower
meters
iOver
current detection
iGround
Fault detection
iIsolated
AC current monitoring
iAC
current sensing for switching
power supply
Specifications
Parameter
Nominal Input Current
Linear Range
Output Voltage I
F
=I
FN
( R
L
=100 )
Secondary Turns
*1
Secondary DC Resistance
Accuracy Over Working Range
*1
Dielectric Strength
Isolation Resistance @ 1000 VDC
Operating Temperature
Storage Temperature
Mass
Symbol
I
FN
I
FS
V
FN
N
R
DC
-
R
IS
T
a
T
s
W
Unit
A
RMS
A
RMS
V
RMS
-
%
V
M
°C
°C
TX7P-5A
5
60
0.5
TX7P-10A TX7P-15A
10
15
60
60
1
1.5
1000 nominal
< 30 , T
A
=25°C
TX7P-20A
20
60
2
Within ±2% I
F
= 0.1 I
FN
3.0 I
FN
AC4KV X 60 sec
> 500 M
-20°C to 120°C
-20°C to 125°C
g
16g
*1. The number of secondary turns for each part model might be adjusted for the best accuracy of output voltage at nominal input current level.
Appearance, dimensions and pin identification
All dimensions in mm ±0.1, holes –0, +0.2 except otherwise noted
- 121 -
www.topstek.com
TX7P
V080201
7/1/2008
工业自动化与控制
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