Thu Jul 19 21:33:03 2018
Thu Jul 19 21:33:04 2018
LINETRAXX® VMD258

LINETRAXX® VMD258

  • 安全应用的纯模拟技术
  • 标称系统电压可达690 V
  • 监视三相交流系统的欠电压和过电压

电压监视仪VMD258监视三相交流系统的欠电压和过电压 (窗口功能)。无需连接中性线,因此适用于三相交流系统。
被监视系统提供设备的电源电压。采用双重隔离装置,电子和监视仪的电源以及连接的外部电能存储设备与系统隔离。特别的输入变压器减弱来自系统的干扰。
欠电压和过电压的响应值以及响应延迟不断调整。替代SUR35x系列设备。

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  • Undervoltage and overvoltage monitoring for 3AC systems
  • No separate supply voltage required
  • Separate alarm relays for undervoltage and overvoltage with two potential-free changeover contacts
  • Adjustable response value: 0.7…0.95 x Un/1.05…1.3 x Un
  • Nominal system voltages: 3AC 690/500/480/440/400/230/110/100 V
  • Adjustable response delay: 0…5 s
  • LEDs for operation, overvoltage, undervoltage
  • Monitoring of the power supply of machines and electrical installations
  • Monitoring of loads
  • Switching electrical systems on and off at a certain voltage level
  • Monitoring of stand-by and emergency supply systems
  • Supply voltage monitoring of portable loads

 

可选配件 LINETRAXX® VMD258


Type designationArt. No.
Additional mounting clips (screw mounting)B98060008
External memory ES258B93010068

版本 LINETRAXX® VMD258


TypeConnectionArt. No.
VMD258 3AC 100 V3AC, 100 VB93010060
VMD258 3AC 110 V3AC, 110 VB93010061
VMD258 3AC 230 V3AC, 230 VB93010062
VMD258 3AC 400 V3AC, 400 VB93010063
VMD258 3AC 440 V3AC, 440 VB93010064
VMD258 3AC 480 V3AC, 480 VB93010065
VMD258 3AC 500 V3AC, 500 VB93010066
VMD258 3AC 690 V3AC, 690 VB93010067

下载 LINETRAXX® VMD258

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