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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。

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。

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

类型命名尺寸语言时间戳D-/B-数量
CE 合格声明 RCMA42x 88.7 KB 2022/08/12 06:17:2512.08.2022 06:17:25
手册 RCMA420 1.7 MB DE2021/05/07 10:08:3507.05.2021 10:08:35D00059
手册 RCMA420 1.7 MB EN2021/05/07 10:08:2507.05.2021 10:08:25D00059
手册 RCMA420 735.0 KB FR2019/05/13 10:31:5513.05.2019 10:31:55D00059
技术规格书 RCMA420 361.2 KB DE2020/01/10 10:34:4510.01.2020 10:34:45D00059
技术规格书 RCMA420 326.9 KB EN2020/01/10 10:35:0210.01.2020 10:35:02D00059
技术规格书 RCMA420 328.5 KB ES2020/01/10 10:35:1610.01.2020 10:35:16D00059
技术规格书 RCMA420 527.2 KB ZH2019/05/13 10:31:3313.05.2019 10:31:33D00059
技术规格书 XM420-Schnittstellenoptionen 264.1 KB DE2019/05/13 10:31:3513.05.2019 10:31:35
技术规格书 XM420 interface options 223.5 KB EN2019/05/13 10:31:3613.05.2019 10:31:36D00051
应用手册 Elektrische veiligheid bij statische omvormers conform NEN1010 153.5 KB NL2019/05/13 10:31:2813.05.2019 10:31:28
应用手册 Elektrische veiligheid bij voertuigen conform NEN1010 287.9 KB NL2019/05/13 10:31:2813.05.2019 10:31:28
快速启动 RCMA420 1.0 MB DE2021/05/05 06:29:2505.05.2021 06:29:25D00059
快速启动 RCMA420 1.0 MB EN2021/05/05 06:29:2505.05.2021 06:29:25D00059
技术信息 Changed variants of relays from goldplated to silver-plated contacts 166.3 KB EN2022/06/27 09:03:0827.06.2022 09:03:08
技术信息 Geänderte Relaisvarianten von vergoldeten Kontakten auf versilberte Kontakte 166.3 KB DE2022/06/27 09:03:0827.06.2022 09:03:08