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Power factor meters

The power factor meter is a magnetoelectric device with an electronic converter, housed in a standard housing. Meters of the PFQ type are designed to measure the phase angle between an alternating voltage and the corresponding alternating current, converting the signal into proportional direct current. This device cannot be used on a network supplying a non-linear load.

Specifications:
  • Accuracy class: Accuracy class 1.5, (-10 ... 15 ... 30 ... 55 ° C) IEC 51 and EN 60051
  • Measuring voltage (Vnom.): 57.7-63.5-100-110-127-220-230-240-380-400-415-440 VAC AC ± 20% (WC1 and WC3) 380-400-415-440 VAC ± 20% (WC3 only) Max. 515 V derived from voltages with max. 300 V to earth (300 V - Cat II / 600 V - Cat II) (Load: approx. 10 mA)
  • Measured current (Inom.): - / 1 A and - / 5 A from external current transformer
  • Effective current range: 5 ... 200% of Inom
  • Ambient temperature: -10 ... 55 ° C (nominal), -25 ... 60 ° C (operation), -25 ... 70 ° C (storage).


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