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Load monitor with shaft power P2 calculation, 4-20mA output, dual relays and CT scaling

Stock Code: HPL500

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The Unipower HPL500 is a high-performance load monitor capable of measuring true motor power with internal scaling up to 40A. Designed for direct connection to 3-phase or single-phase systems, it calculates shaft power using programmable motor efficiency and supports two independently configurable alarm limits.

🔧 Technical Highlights:

  • Voltage Range: 1x100-1x400V, 3x100-3x575V AC
  • Current Range: Internal 0.5-40A, or external CT up to 600A
  • Outputs: 2 relays (Max/Min), 4-20mA analogue
  • Shaft Power Calculation: P2 = P1 - Po, using programmable efficiency
  • Mounting: DIN rail or wall mount

✅ Benefits:

  • Wide voltage and current adaptability
  • Internal peak detection for easy setup
  • Auto shutdown and dual setpoints

🚀 Applications:

  • Motors with variable load
  • Industrial pumps, crushers, mixers
  • Power-aware automation systems

Versatile load supervision with optional shaft power feedback and MODBUS expansion via HPL500-MB.

Supply Voltage1x 100-400Vac & 3x100-575Vac
Output Relay / Channels1 X SPCO 1 X SPNO
Output Relay Rating5A @ 230V
Monitoring RangeInternal CT: 0.5-40A, External with N/5A CT 50-600A
MountingDIN Rail
Size56mm
ProtectionIP20, IP40
Weight0.5
Type File Name
Data Sheet HPL500.pdf

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