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APR-B420L_07 参数 Datasheet PDF下载

APR-B420L_07图片预览
型号: APR-B420L_07
PDF下载: 下载PDF文件 查看货源
内容描述: 交流电流变送器 [AC Current transducer]
分类和应用:
文件页数/大小: 3 页 / 874 K
品牌: LEM [ LEM ]
 浏览型号APR-B420L_07的Datasheet PDF文件第2页浏览型号APR-B420L_07的Datasheet PDF文件第3页  
AC Current transducer APR-B420L
Split core transducer for the electronic measurement distorted AC
waveforms current, with galvanic isolation between the primary circuit
(power) and the secondary circuit (measurement). Switch selectable
ranges and True RMS 4-20mA current output.
I
PN
= 10 .. 400 A
Electrical data
Primary Nominal Current
I
PN
(A.t.rms)
10,25,50
50,75,100
100,150,200
200,300,400
Output Current
I
OUT
(mA)
4-20
4-20
4-20
4-20
Type
APR
APR
APR
APR
50 B420L
100 B420L
200 B420L
400 B420L
RoHS since
date code
planned
planned
46317
46291
Features
VFD and SCR waveforms current
measurement
True RMS output
Split core type
Loop powered 4-20mA current output
DIN mounting & Panel mounting
Eliminates insertion loss
Switch selectable ranges
Isolated plastic case recognized
according to UL94-V0.
R
L
V
C
I
SL
Î
P
Load resistance
(See the graph "Load Resistance vs. Supply Voltage") < 350
Supply voltage (loop powered)
+ 12 .. 24 V DC
Output current limitation
< 25
mA
Overload capability
no limitation
Accuracy-Dynamic performance data
Advantages
< ± 1 % of
I
PN
< ± 0.5 % of
I
PN
4
mA
±1
µA/K
± 0.1
%/K
< 400
ms
30 .. 6000 Hz
Large aperture for cable up to
Ø18mm
High isolation between primary and
secondary circuits
Easy installation
ε
X
L
I
OE
TCI
OE
TCI
OUT
t
r
BW
Accuracy @
I
PN
,
T
A
= 25°C (excluding offset)
Linearity error (0 .. ±
I
PN
)
Electrical offset current @
T
A
= 25°C
Temperature coefficient of
I
OE
Temperature coefficient of
I
OUT
(% of reading)
Response time to 90% of
I
PN
step
Frequency bandwidth (± 1 %)
Applications
VFD Controlled Loads:
VFD output indicates how the motor
and attached load are operating.
SCR Controlled Loads:
Acurate measurement of phase
angle fired or burst fired (time
proportioned)
SCRs. Current measurement gives
faster response than temperature
measurement.
Switching Power Supplies and
Electronic Ballasts:
True RMS sensing is the most
accurate way to measure power
supply or ballast input power.
General data
T
A
T
S
m
IPxx
Ambient operating temperature
Ambient storage temperature
Mass
Protection degree
- 20 .. + 60
- 20 .. + 85
90
IP20
°C
°C
g
Application domain
Energy and Automation
Page 1/3
070125/4
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice.
www.lem.com