DI and DU Series Current and Voltage Monitoring Re

By Carlo Gavazzi 116

DI and DU Series Current and Voltage Monitoring Re

Carlo Gavazzi’s DI series of current monitoring relays can monitor both AC and DC currents. Current reading is made directly on the terminals, either through an external shunt or current transformer. Models such as DIA53 and DIB01 feature built-in current transformers that can read up to 100 AAC. For applications with several hundred amps or more, external current transformers can be used with DI series monitoring relays.

The DU series of voltage monitoring relays can monitor both AC and DC single phase, from millivolts up to several hundred volts. With various models, under-voltage, over-voltage, or even both can be monitored and addressed before damage to machinery occurs. 

DI Series Features
  • Over-current and/or under current monitoring
  • 1-phase AC
  • Up to 100 A direct detection
  • Units with built-in current transformer
  • Adjustable set points and hysteresis
  • 1x or 2x SPDT relay outputs
  • Output delay time adjustable
DU Series Features
  • Over-voltage and/or undervoltage monitoring
  • 1-phase AC/DC
  • Measuring ranges from 0.1 V up to 500 V
  • SPST, SPDT, or DPDT relay outputs
  • Adjustable setpoints, hysteresis, and output delay time
  • Regenerated voltage detection

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