Delab Scientific (M) Sdn. Bhd.
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Delab ScientificModel DP-23 (DTL) -Digital Over Current Relay

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True RMS Measurement with SPARC and DCOI Algorithm. Auto / Manual Scroll for Real Time Display of Phase Current in (%). LTI + DTL
Fault / lo-set & hi-set Trip LED Indication. Fault Start Event Recording & LED Indication + Output. Pre-Alarm LED Indication + Output. Trip Event Memory (non-volatile 7 previous records for all phases).

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  • Fault Start Event Memory (non-volatile 4 previous records with phase info)
  • Selectable Frequency (50/60 Hz)
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  • Last Trip Elapsed Time (up to 99days)
  • Software Lock to Prevent Unauthorized Setting
  • Complies with: IEC-60255-26/27; BS EN 50121-5 Standards
  • ANSI Code: 50P, 51P
  • External Plug-in Module for: A-01s / A-01sp (RS-485 MODBUS RTU) isolated type