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参数资料
| 型号： | APR 400 B420L |
| 厂商： | LEM USA Inc |
| 文件页数： | 1/4页 |
| 文件大小： | 0K |
| 描述： | SENSOR CURRENT 40A 24V MOD |
| 标准包装： | 1 |
| 系列： | APR |
| 电流 - 感应： | 200A，300A，400A（可选） |
| 精确度： | ±1% |
| 传感器类型： | 开环 |
| 电源电压： | 12 V ~ 24 V |
| 输出： | 4 ~ 20mA |
| 频率： | 30Hz ~ 6kHz |
| 响应时间： | <400ms |
| 电极标记： | 双向 |
| 工作温度： | -20°C ~ 60°C |
| 封装/外壳： | 模块 |
| 包装： | 散装 |
| 其它名称： | 64.45.48.000.0 |
AC Current transducer APR-B420L
Split-core transducer for the electronic measurement of AC currents (all
waveforms), with galvanic isolation between the primary circuit (high
power) and the secondary circuit (electronics). Switch selectable
measuring ranges and True RMS 4-20mA current output (loop powered).
Electrical data
I PN = 10 .. 400 A
Primary Nominal Current
I PN (A.t.rms)
Output Current
I OUT (mA)
Type
RoHS since
date code
Features
? VFD and SCR waveform currents
10,25,50
50,75,100
100,150,200
200,300,400
4-20
4-20
4-20
4-20
APR
APR
APR
APR
50 B420L
100 B420L
200 B420L
400 B420L
46354
47009
46317
46291
measurement
? True RMS output
? Split-core type
? Loop powered 4-20mA current output
R L
V C
I SL
? P
Load resistance, with V C = + 24 V DC 1)
Supply voltage (loop powered)
Output current limitation 2)
Overload capability 3)
< 350 ?
+ 12 .. 24 V DC
< 25 mA
no limitation
? DIN rail or Panel mounting
? Switch selectable measuring ranges
? Isolated plastic case recognized
according to UL94-V0.
Accuracy-Dynamic performance data
Advantages
% of I PN
X
ε L
I OE
TCI OE
TCI OUT
t r
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
<±1
< ± 0.5 % of I PN
4 mA
±1 μ A/K
± 0.1 %/K
< 400 ms
? Large aperture for cable up to
?18mm
? High isolation between primary and
secondary circuits
? Eliminates insertion loss
? Easy installation
BW
Frequency bandwidth (± 1 %)
30 .. 6000
Hz
Applications
Load Resistance v s. Supply Voltage
? VFD Controlled Loads:
Notes :
1)
Max. Load Resistance vs. Supply Voltage
VFD output indicates how the motor
and attached load are operating.
30
25
20
15
10
? SCR Controlled Loads:
Acurate measurement of phase
angle fired or burst fired (time
proportioned)
SCRs. Current measurement gives
faster response than temperature
5
0
0
50
100
150
200
250
300
350
400
measurement.
? Switching Power Supplies and
Electronic Ballasts:
True RMS sensing is the most
Load Resistance
accurate way to measure power
2)
3)
The output current will never exceed this value for safety and protection
reasons. The output value is not valid when measuring above the primary
nominal current value.
Although the transducer can withstand very high currents, the measuring
performance specified in the datasheet is valid within the 4-20 mA output
supply or ballast input power.
Application domain
? Energy and Automation
range only.
Page 1/4
071022/6
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice.
www.lem.com
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相关代理商/技术参数 |
参数描述 |
|---|---|
| APR400-B420L | 制造商:LEM 制造商全称:LEM 功能描述:AC Current transducer APR-B420L |
| APR40327 | 制造商:Cooper Crouse-Hinds 功能描述: |
| APR40-40-12CB | 功能描述:HEATSINK FORGED 40X40X12MM RoHS:是 类别:风扇，热管理 >> 热敏 - 散热器 系列:APR 产品目录绘图:BDN12-3CB^A01 标准包装:300 系列:BDN 类型:顶部安装 冷却式包装:分类（BGA，LGA，CPU，ASIC……） 固定方法:散热带，粘合剂（含） 形状:方形，鳍片 长度:1.21"（30.73mm） 宽:1.210"（30.73mm） 直径:- 机座外的高度（散热片高度）:0.355"（9.02mm） 温升时的功耗:- 在强制气流下的热敏电阻:在 400 LFM 时为6.8°C/W 自然环境下的热电阻:19.6°C/W 材质:铝 材料表面处理:黑色阳极化处理 产品目录页面:2681 (CN2011-ZH PDF) 其它名称:294-1099 |
| APR40-40-12CB/A01 | 功能描述:散热片 40x40x12mm Double-sided Kapton RoHS:否 制造商:Ampro By ADLINK 产品:Heat Sink Accessories 安装风格:Through Hole 散热片材料: 散热片样式: 热阻: 长度: 宽度: 高度: 设计目的:Express-HRR |
| APR40-40-12CB/S | 制造商:CTS 制造商全称:CTS Corporation 功能描述:Forged Heat Sinks |
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