LINETRAXX® RCMA420

交直流敏感型剩余电流监视仪RCMA420被设计用于监视接地电源系统(TN和TT系统),用于平滑直流故障电流或剩余电流连续大于零的地方。这些特殊的负载包含六脉冲整流器或单通道平滑整流器,如变频器、电池充电器、带变频驱动的施工现场设备。也可以监视单相线的电流。 设置响应值的50…100%的预报警阶段允许区分报警和预报警。由于使用测量电流互感器的测量值,设备的负载电流和系统的标称电压几乎无关。

问题? 联系我们!

LINETRAXX® RCMA420
LINETRAXX® RCMA420

交直流敏感型剩余电流监视仪RCMA420被设计用于监视接地电源系统(TN和TT系统),用于平滑直流故障电流或剩余电流连续大于零的地方。这些特殊的负载包含六脉冲整流器或单通道平滑整流器,如变频器、电池充电器、带变频驱动的施工现场设备。也可以监视单相线的电流。 设置响应值的50…100%的预报警阶段允许区分报警和预报警。由于使用测量电流互感器的测量值,设备的负载电流和系统的标称电压几乎无关。

问题? 联系我们!

特点

  • AC/DC sensitive residual current monitor Type B acc. to IEC 62020 and IEC/TR 60755
  • r.m.s. value measurement (AC+DC)
  • Two separately adjustable response values 10…500 mA
  • Frequency range 0…2000 Hz
  • Start-up delay, response delay and delay on release
  • Digital measured value display via LC display
  • Measured value memory for operating value
  • CT connection monitoring
  • LEDs: Power On, Alarm 1, Alarm 2
  • Internal/external test/reset button
  • Two separate alarm relays (one changeover contact each)
  • N/O or N/C operation and fault memory behaviour selectable
  • Continuous self monitoring
  • Multi-functional LC display
  • Password protection for device settings
  • Sealable transparent cover
  • Two-module enclosure (36 mm)
  • RoHS compliant
  • Push-wire terminal (two terminals per connection)

应用

  • AC/DC sensitive residual current monitoring in earthed two, three or four conductor systems (TN and TT systems)
  • Monitoring of variable-speed drives, UPS systems, construction site equipment, printing machines, battery systems, laboratory equipment, wood working machines, MF welding systems, furniture industry, medical electrical equipment, etc.
  • AC/DC sensitive current monitoring of single conductors de-energised under normal conditions (e.g. N and PE conductors)

LINETRAXX® RCMA420 变体

TypeResponse range IΔnFrequency rangeSupply voltage US*Art. No.**
RCMA420-D-110…500 mA0…2000 HzDC 9,6…94 V /
AC 16…72 V, 42…460 Hz
B74043001
B94043001
RCMA420-D-210…500 mA0…2000 HzDC 70…300 V /
AC 70…300 V, 42…460 Hz
B74043002
B94043002

* Absolute values
**(B7… = push-wire terminal / B9… = screw-type terminal)

可选的附件,用于 LINETRAXX® RCMA420

Measuring current transformers

TypeInternal diameter (mm)Art. No.
CTUB101-CTBC20ø 20B78120010
CTUB101-CTBC20Pø 20B78120020
CTUB101-CTBC35ø 35B78120012
CTUB101-CTBC35Pø 35B78120022
CTUB101-CTBC60ø 60B78120014
CTUB101-CTBC60Pø 60B78120024

Connection cable measuring current transformer – RCMA420-D

TypeLength/mArt. No.
CTX-1001B98110080
CTX-2502,5B98110081
CTX-5005B98110082
CTX-100010B98110083

Accessories

TypeArt. No.
Mounting clip for screw mounting (one piece per device)B98060008
Mounting frame XM420B990994 

下载 LINETRAXX® RCMA420

命名类型尺寸语言时间戳D-/B-数量
RoHS/REACH Report - B74043001 RoHS/REACH 报告 253.1 KB 2024/09/0606.09.2024
RCMA42x CE 合格声明 88.7 KB 2022/08/1212.08.2022
RCMA420 手册 3.2 MB DE2023/12/1414.12.2023D00059
RCMA420 手册 3.2 MB EN2023/12/1414.12.2023D00059
RCMA420 手册 735.0 KB FR2019/05/1313.05.2019D00059
RCMA420 技术规格书 3.0 MB DE2024/07/3131.07.2024D00059
RCMA420 技术规格书 3.0 MB EN2024/07/3131.07.2024D00059
RCMA420 技术规格书 328.5 KB ES2020/01/1010.01.2020D00059
RCMA420 技术规格书 527.2 KB ZH2019/05/1313.05.2019D00059
XM420-Schnittstellenoptionen 技术规格书 264.1 KB DE2019/05/1313.05.2019
XM420 interface options 技术规格书 223.5 KB EN2019/05/1313.05.2019D00051
Elektrische veiligheid bij statische omvormers conform NEN1010 应用手册 153.5 KB NL2019/05/1313.05.2019
Elektrische veiligheid bij voertuigen conform NEN1010 应用手册 287.9 KB NL2019/05/1313.05.2019
RCMA420 快速启动 511.6 KB DE2023/11/1616.11.2023D00059
RCMA420 快速启动 511.6 KB EN2023/11/1616.11.2023D00059
Changed variants of relays from goldplated to silver-plated contacts 技术信息 166.3 KB EN2022/06/2727.06.2022
Geänderte Relaisvarianten von vergoldeten Kontakten auf versilberte Kontakte 技术信息 166.3 KB DE2022/06/2727.06.2022