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Product at a glance

compact, long range site configurable transducers

DPT300 is a range of compact, configurable multiple measurand transducers designed to meet the demanding needs of supply utilities and industrial applications. It offers accurate true-RMS measurements for high efficiency and quick response time. It is equipped with up to four load-independent, galvanicallyisolated analogue outputs that can be configured for desired measurands, input range and different curves. DPT300 transducers comply with IEC 60688.


  • Best in class response time
  • Long range, site-configurable inputs, outputs and measurands
  • Load-independent accuracy on all outputs
  • 4-in-1 programmable transducers
  • Diagnostic LEDs
  • Compact footprint


Site-configurable measurement functions (measurands)
AC voltage
Nominal input (Un) 3 x 100 to 415 V L-L (3-phase 3-wire system)
3 x 57.5 to 240V L-N (3-phase 4-wire system)
Measuring range 0 to 130% Un (500 V max.)
Measurement frequency 50/60 Hz (± 5 %)
Burden ≤0.2 VA
Maximum overload voltage 1.3 x Un continuously (500 V max.)
2 x Un for 1 s, with up to 10 repetitions at 10 s intervals
Scale factor 0.8 to 1.5 Un
AC current
Nominal input (In) 1A to 5A
Maximum input current 0 to 150% In
Scale factor 0.6 to 1.5
Burden ≤ 0.2 VA per phase
Maximum overload current 2 x In continuously
20 x In for 1 s, with up to 10 repetitions at 100 s intervals
Active power/reactive power/ apparent power
Nominal input voltage (Un) 3 x 100 to 415 V L-L (3 phase 3 wire system)
3 x 57.5 to 240V L-N (3 phase 4 wire system)
Input voltage range 0-130% Un (up to 500 V)
Nominal input current (In) 1A to 5A
Input current range 0 to 150% In
Measurement frequency 50/60 Hz (± 5%)
Scale factor 0.5 to 1.5 (active power, at unity power factor)
0.3 to 1 (reactive power, at reactive power factor >0.8 or unity)
Un x In primary (apparent power)