Grundfos MP 204 Motor Monitoring and Protection Unit for SP Pumps

Product Code: 91347846

Grundfos MP 204 Motor Monitoring and Protection Unit for SP Pumps

The Grundfos MP 204 is a motor protection that protects the motor primarily by measuring the motor current by means of a true RMS measurement. The MP204 disconnects the contactor if, for example, the current exceeds the preset value. It can be used as a stand-alone or as incorporated in a for example Control DC.

Easy installation – Can be mounted onto any wall or back plate, or simply slide into place on a mounting rail. The simple menu completes set-up in just 2 minutes. Monitors energy – Acts as a monitoring device for energy consumption, so you are always aware of pump running costs.                                                                    Control from a distance – MP204 solution can be connected to any SCADA system, allowing you remote access to your pump data anywhere.

The MP 204 monitors the following parameters:
  • System insulation resistance to earth before start
  • Motor temperature. Only possible if the motor is fitted with an operational Tempcon temperature transmitter, a Pt100/Pt1000 or a PTC sensor
  • Current consumption and unbalance
  • Supply voltage
  • Phase sequence
  • Missing phase
  • Power factor (cos phi)
  • Harmonic distortion
  • Starting capacitor (single-phase operation only)
  • Run capacitor (single-phase operation only)

The MP 204 protects against:

  • Overload
  • Dry running in pumping systems
  • Incipient motor defect
  • Too high motor temperature
  • Supply failure

As standard, the MP 204 incorporates:

  • A display for reading values, such as current, voltage, temperature, cos phi, warning and trip codes
  • Relay output for external fault indication
  • GENIbus connection
  • Pt100/Pt1000 sensor input
  • PTC/thermal switch input

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