LINETRAXX® VMD420

  • 三相交流系统 0...500 V的欠电压、过电压和频率监视
  • 可选各种监视功能< U, > U, < f, > f
  • 不对称、相位故障和相序监视
  • 可调启动延迟，响应延迟和释放延迟

多功能VMD420系列电压监视仪被设计用于监视频率、欠电压、过电压和三相交流系统中两个阈值之间的电压。   电压测量是真实有效值。电流测量值连续显示在液晶屏上。存储报警继电器激活的测量值。由于可调的响应时间，可以考虑特定于设备的特性，如特定于设备的启动过程、短时电压波动等。监视仪需要外部电源电压。

问题? 联系我们!

LINETRAXX® VMD420
LINETRAXX® VMD420
  • 三相交流系统 0...500 V的欠电压、过电压和频率监视
  • 可选各种监视功能< U, > U, < f, > f
  • 不对称、相位故障和相序监视
  • 可调启动延迟，响应延迟和释放延迟

多功能VMD420系列电压监视仪被设计用于监视频率、欠电压、过电压和三相交流系统中两个阈值之间的电压。   电压测量是真实有效值。电流测量值连续显示在液晶屏上。存储报警继电器激活的测量值。由于可调的响应时间，可以考虑特定于设备的特性，如特定于设备的启动过程、短时电压波动等。监视仪需要外部电源电压。

问题? 联系我们!

特点

  • Undervoltage, overvoltage and frequency monitoring in 3(N)AC systems 0…500 V
  • Asymmetry, phase failure and phase sequence monitoring
  • Different monitoring functions selectable < U, > U, < f, > f
  • Start-up delay, response delay, delay on release
  • Adjustable switching hysteresis
  • r.m.s. value measurement (AC)
  • Digital measured value display via multi-functional LC display
  • Preset function (automatic assignment of basic parameters)
  • LEDs: Power On, Alarm 1, Alarm 2
  • Measured value memory for operating value
  • Continuous self monitoring
  • Internal test/reset button
  • Two separate alarm relays (one changeover contact each)
  • N/C or N/O operation and fault memory behaviour selectable
  • Password protection for device setting
  • Sealable transparent cover
  • Two-module enclosure (36 mm)
  • Indication of the system frequency
  • RoHS-compliant

应用

  • Monitoring of voltage-sensitive machines and electrical installations
  • Switching on and switching off at a certain voltage level
  • Monitoring of stand-by and emergency supply systems
  • Supply voltage monitoring of portable loads
  • Protection of three-phase motors against phase failure and
  • Transformer protection, asymmetrical load can be recognized

LINETRAXX® VMD420 变体

TypeSupply voltage US*Nominal system voltage Un*Art. No.**
VMD420-D-1AC 16…72 V / DC 9,6…94 V, 15…460 Hz3(N)AC 0…500 V / 288 V 15…460 HzB73010005
B93010005
VMD420-D-2AC/DC 70…300 V, 15…460 Hz3(N)AC 0…500 V / 288 V, 15…460 HzB73010006
B93010006

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

可选的附件，用于 LINETRAXX® VMD420

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

下载 LINETRAXX® VMD420

命名类型尺寸语言时间戳D-/B-数量
UKCA - VMx42x 声明书 156.3 KB 2024/10/0707.10.2024
TÜV NORD - isoHV42x, AGH42x, isoHV52x, isoRW42x and VMx420 证书 416.9 KB EN2024/06/2626.06.2024
TÜV NORD - isoHV42x, AGH42x, isoHV52x, isoRW42x und VMx420 证书 436.9 KB DE2024/06/2626.06.2024
VMx42x CE 合格声明 104.6 KB 2024/10/0707.10.2024
VMD420 手册 5.7 MB DE2022/06/0909.06.2022D00137
VMD420 手册 5.7 MB EN2022/06/0909.06.2022D00137
VMD420 手册 844.6 KB ES2019/05/1313.05.2019D00137
VMD420 技术规格书 374.0 KB DE2022/06/0909.06.2022D00137
VMD420 技术规格书 372.2 KB EN2022/08/1010.08.2022D00137
VMD420 技术规格书 375.7 KB ES2022/06/0909.06.2022D00137
VMD420 技术规格书 540.4 KB ZH2019/05/1313.05.2019D00137
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
VMD420 快速启动 964.6 KB DE2024/05/2323.05.2024D00137
VMD420 快速启动 964.6 KB EN2024/05/2323.05.2024D00137
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