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| 型号： | ACM20-5-AC1-R-C |
| 厂商： | Murata Power Solutions Inc |
| 文件页数： | 3/6页 |
| 文件大小： | 0K |
| 描述： | METER AC POWER 32A W/PWR FACTOR |
| 产品培训模块： | ACM20 Series |
| 产品目录绘图： | Digital Panel Meter |
| 特色产品： | ACM20 Panel Meter |
| 3D 型号： | ACM20 Series.pdf ACM20 Series.sldprt ACM20 Series.stp ACM20 Series.igs |
| 标准包装： | 12 |
| 系列： | ACM20 |
| 类型： | 万用表 |
| 显示器样式： | 红色字符，黑色背景 |
| 显示器类型： | LED |
| 显示器正面尺寸： | 2.10" L x 1.43" W（53.3 x 36.3mm） |
| 显示器位数： | 4 |
| 显示器位数 - 高度： | 0.360"（9.14mm） |
| 背光： | 无 |
| 安装类型： | 面板安装 |
| 端子： | 端接块 |
| 电源电压： | 85 ~ 264VAC |
| 产品目录页面： | 2856 (CN2011-ZH PDF) |
| 其它名称： | 811-2108 |
ACM20 Series
Four-Function AC Power Meters
When the continuous auto-cycling mode is initially selected, the unit
will brie?y display ‘Auto On’ before continuous cycling begins. Mo-
mentarily touching the ‘SEL’ button again will cause the unit to brie?y
display ‘Auto OFF’ before it returns to the ?xed VOLTS reading mode.
3. Calibration: Due their digital design, ACM20 power meters cannot be
calibrated in the ?eld. ACM20 power meters are factory-calibrated to
meet their speci?ed accuracies with the supplied L1 current trans-
former. Use of any other current transformer will produce signi?cant
errors for the Amps, Watts, and Power Factor measurements.
Contact Murata Power Solutions if additional information is required
regarding calibration, setup, or any other technical issue pertaining to
ACM20 power meters.
4. Wiring: All power supply wiring must be rated for the voltages and
currents they will carry and must comply with any code or applica-
tion-mandated requirements pertaining to the user’s speci?c installa-
tion.
5. Supply Fusing, and Grounding: Wires speci?ed in the Functional
Speci?cations section must be used for making connections to
ACM20 series power meters. No connection is required for earth/
chassis ground.
ACM20 series power meters are not internally fused. Terminal block
TB1 is to be used only for powering the power meter's internal circuitry;
it must not be used to supply power to external loads. The supply wires
feeding these power meters must be fused with a 0.5A/250V time
delay/time lag fuse, in accordance with applicable regulatory codes.
Wire insulation must be stripped to within ±10% of the stated dimen-
sions, and wires should be inserted into TB1 such that their insulation
is not pinched by the screw terminal.
6. Current Transformer Polarity: In order to perform accurate Watts
and Power Factor measurements, connections to the two rear power
supply inputs, TB1-A and TB1-B, and built-in current transformer L1
must have the proper polarity. That is, the load current ?owing in the
wire passing through L1's center hole must have the same polarity as
the line voltage connected to TB1-A and TB1-B.
The wiring diagrams in Figures 1-4 ensure that, for a purely resistive
load, current ?owing in current transformer L1’s primary circuit will
have the same polarity as the applied voltage at TB1. If proper polarity
is not followed, the Watts and Power Factor readings will be zero. To
correct a zero Watts reading, simply reverse the direction of the load
wire passing through the hole in L1.
7. Connector Torque Ratings: I t is important to tighten TB1’s, screw-
terminals to their rated torque speci?cation of 3.6 pound-inches
(0.4Nm). Proper tightening will minimize connector losses and ensure
safe, reliable operation.
8. Isolation: Except for the 2-56 thread metallic mounting studs, all of
the ACM20 power meter’s internal components (printed circuit board,
resistor, capacitors, current transformer L1’s secondary leads, etc.)
are at the ac-mains potential connected to TB1. ACM20 power meters
are designed to measure and be powered from one ac power-source
only. Any other connection schemes will introduce signi?cant mea-
surement errors.
TYPICAL WIRING DIAGRAMS
120 V
LOAD
Epoxy encapsulation
Note: If the ACM20 displays zero Watts with
B
TB1
power applied to the load, reverse the direction
of the wire passing through the CT's center hole.
See Technical Note 6 for more information.
Polarity dot on bottom
H
Fuse*
N
A
120 Vac (50/60 Hz)
Figure 1. Wiring diagram for 110/120V single phase systems
*See technical note 5.
www.murata-ps.com/support
MPM_ACM20 Series.B03 Page 3 of 6
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相关代理商/技术参数 |
参数描述 |
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| ACM20-5-AC1-R-F-C | 功能描述:数字面板表 30A 85-264Vac Supply Frequency Reading RoHS:否 制造商:Murata Power Solutions 设备类型:AC Voltmeters 显示器类型:LED, 3 Digit, Red 工作电源电压:85 VAC to 264 VAC 工作电源电流:50 mArms 输入电流:50 mA 输入频率: 输入电压:120 VAC 系列:DMS-20PC-1-LM |
| ACM21 | 制造商:ABRACON 制造商全称:Abracon Corporation 功能描述:SMD COMMON MODE CHOKE |
| ACM-21-121M-T | 功能描述:2 Line Common Mode Choke Surface Mount 120 Ohm @ 100MHz 370mA DCR 300 mOhm 制造商:abracon llc 系列:ACM-21 包装:剪切带（CT） 零件状态:有效 滤波器类型:信号线 线路数:2 不同频率时的阻抗:120 欧姆 @ 100MHz 电感 @ 频率:- 额定电流（最大）:370mA 直流电阻（DCR）（最大）:300 毫欧 额定电压 - DC:50V 额定电压 - AC:- 工作温度:-40°C ~ 85°C 等级:- 认可:- 特性:- 安装类型:表面贴装 大小/尺寸:0.079" 长 x 0.047" 宽（2.00mm x 1.20mm） 高度（最大值）:0.055"（1.40mm） 封装/外壳:水平式，4 PC 板 标准包装:1 |
| ACM-21-161M-T | 功能描述:2 Line Common Mode Choke Surface Mount 160 Ohm @ 100MHz 330mA DCR 350 mOhm 制造商:abracon llc 系列:ACM-21 包装:* 零件状态:有效 滤波器类型:信号线 线路数:2 不同频率时的阻抗:160 欧姆 @ 100MHz 电感 @ 频率:- 额定电流（最大）:330mA 直流电阻（DCR）（最大）:350 毫欧 额定电压 - DC:50V 额定电压 - AC:- 工作温度:-40°C ~ 85°C 等级:- 认可:- 特性:- 安装类型:表面贴装 大小/尺寸:0.079" 长 x 0.047" 宽（2.00mm x 1.20mm） 高度（最大值）:0.055"（1.40mm） 封装/外壳:水平式，4 PC 板 标准包装:2,000 |
| ACM-21-181M-T | 功能描述:2 Line Common Mode Choke Surface Mount 180 Ohm @ 100MHz 330mA DCR 350 mOhm 制造商:abracon llc 系列:ACM-21 包装:剪切带（CT） 零件状态:有效 滤波器类型:信号线 线路数:2 不同频率时的阻抗:180 欧姆 @ 100MHz 电感 @ 频率:- 额定电流（最大）:330mA 直流电阻（DCR）（最大）:350 毫欧 额定电压 - DC:50V 额定电压 - AC:- 工作温度:-40°C ~ 85°C 等级:- 认可:- 特性:- 安装类型:表面贴装 大小/尺寸:0.079" 长 x 0.047" 宽（2.00mm x 1.20mm） 高度（最大值）:0.055"（1.40mm） 封装/外壳:水平式，4 PC 板 标准包装:1 |
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