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Advanced load monitor with MODBUS RTU and shaft power output calculation

Stock Code: HPL500MB

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The Unipower HPL500-MB is a powerful MODBUS RTU-based load monitor for 3-phase motors. With internal current measurement up to 40A and external CT compatibility, it provides real power supervision and can calculate shaft power P2 by subtracting losses from P1 input.

🔧 Technical Highlights:

  • Voltage Range: 3x100-575V AC
  • Current Range: Internal 0.5-40A or external CT to 600A
  • Outputs: Dual relays, 4-20mA, MODBUS RTU slave
  • Computation: Shaft power (P2) via programmable efficiency
  • Display: Local readout in %, kW and limits

✅ Benefits:

  • Integrates into automation via MODBUS
  • Peak detectors for fast setup
  • Supports alarm inhibit, limit select, damping filter

🚀 Applications:

  • Industrial motor loads and drives
  • SCADA-connected load monitoring
  • Real-time shaft power feedback

MODBUS-compatible load supervision unit with full kW and shaft power monitoring for advanced installations.

Supply Voltage3x380-440Vac, 110-230Vac
Output Relay / Channels1 X SPCO 1 X SPNO
Output Relay Rating5A @ 230V
MountingDIN Rail
Size56mm
ConnectionsRS485
ProtectionIP20, IP40
Weight0.27
Type File Name
Data Sheet HPL500-MB.pdf

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