3-Phase Power Measurement AC 690 V 5 A

The 3-phase power measurement clamp 750-495 enables the measurement of electrical data in a three-phase supply network. The voltage is measured via the network connection at the terminals L1, L2, L3, and N. The current of the three phases is fed through current transformers or, in the case of the 750-495/000-002, through Rogowski coils at the terminals I1, I2, I3, and IN (each with two terminals +,-).

The preprocessing of the 3-phase power measurement clamp provides all measurement values such as reactive power, apparent power, active power, energy consumption, power factor, phase angle, frequency, as well as over- and under-voltage and over- and under-current directly in the process image, without requiring high computing power on the controller. These extensive measurement values, along with harmonic analysis up to the 41st harmonic, enable a comprehensive network analysis via the fieldbus. Based on the provided measurement values, the system operator can optimize the supply of a drive or machine and protect the system from damage or failures. The additional measurement of current in the neutral conductor can help detect or prevent insulation faults. The 4-quadrant display provides information about the type of load (inductive, capacitive) and whether it is a consumer or producer of energy.

The device is suitable for use in harsh environmental conditions: significantly extended temperature range, higher vibration and shock resistance.