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AHR 800 B420 Hall Effect Current Sensor - 800A True RMS with 4-20mA Output - 104x40mm Aperture - Ideal for Industrial Motor Control & Energy Monitoring Systems
AHR 800 B420 Hall Effect Current Sensor - 800A True RMS with 4-20mA Output - 104x40mm Aperture - Ideal for Industrial Motor Control & Energy Monitoring Systems
AHR 800 B420 Hall Effect Current Sensor - 800A True RMS with 4-20mA Output - 104x40mm Aperture - Ideal for Industrial Motor Control & Energy Monitoring Systems
Sku: 55344998 in stock
$351.45
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LEM AHR 800 B420, Hall Effect Current Sensor, 800Amp, True RMS 4-20mA output, 104 x 40mm aperture

Compact and versatile transducers for high AC and DC currents from 500 to 2000A True RMS with signal conditioning. Choice of output types: 4-20 mA, 0-5 V or 0-10 V, Bandwidth: DC 20..6000 Hz

Features

  • Split Core
  • VFD and SCR waveforms current measurement
  • True RMS output
  • 4-20mA current output
  • Busbar mounting
  • Eliminates insertion loss
  • Isolated plastic case recognised according to UL94-V0

Advantages

  • Large aperture for cable or busbar up to 104 x 40mm
  • High isolation between primary and secondary circuits
  • Easy installation

Applications

-AC Power Supplies or Motors

True RMS sensing - the most accurate way to monitor power supply or input power

-VFD Controlled Loads

VFD output indicates how the motor and attached load are operating

-SCR Controlled Loads

Accurate measurement of phase angle fired or burst fired(time proportional) SCR's and switch mode rectifiers. Current measurement gives faster response than temperature measurement.

-Renewable Energy Installations or Backup Batteries

Continuous condition monitoring allowing automatic failure detection and prediction

-Application Domain

Energy and Automation

Specification
LEM Part NumberAHR 800 B420
TechnologyOpen Loop Hall Effect
ROHSYes
Supply Voltage20 - 50V
Nominal Current (RMS + DC)800 Amp
Maximum Measurement Current (Peak)2500 Amp
Output4-20mA
Isolation5.8kV (AC, 50Hz, 1 min)
Bandwidth20-6000Hz
Mounting StylePanel Mount
Operating Temperature Range-40°C / 70°C
Accuracy1%
Termination StyleSFKC 2.5/4-ST-5.08-RF(Phoenix Contact)
Unit Weight650g
Factory Pack Qty6

 

Datasheet
Application Notes

 

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For all orders exceeding a value of 100USD shipping is offered for free.

Returns will be accepted for up to 10 days of Customer’s receipt or tracking number on unworn items. You, as a Customer, are obliged to inform us via email before you return the item.

Otherwise, standard shipping charges apply. Check out our delivery Terms & Conditions for more details.


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