Product category:
Sensors and Data Acquisition
News Release from: LEM UK | Subject: HTB series
Edited by the Electronicstalk Editorial
Team on 16 September 2003
PCB-mounting current transducers run up
to 400A
The HTB series of PCB-mounting current transducers provides current measurements from 50 to 400A RMS.
The HTB series of PCB-mounting current transducers provides current measurements from 50 to 400A RMS All 14 members of the family use the same housing to offer nominal current measurement of 50, 100, 200, 300, or 400A RMS with either a bipolar +/-12 to15V or unipolar +12 to 15V power supply
This article was originally published on Electronicstalk on 22 Apr 2002 at 8.00am (UK)
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Current sensors slip on in a trice
LEM has three families of split-core current sensors that can be clamped around a busbar or cable without moving the conductor.
Two styles of transducer are available: the P versions have an aperture through which the primary conductor is passed; the TP models, which are available for 50 and 100A RMS nominal measurements, have an integrated primary busbar that is soldered to the PCB.
The use of open-loop Hall effect technology allows DC, AC or pulse currents to be measured, and provides galvanic isolation between the primary and output circuits, withstanding a test isolation voltage of 2.5kV RMS/50Hz for 1min.
Occupying a mounting area of only 4.3cm2 and with a height of only 34mm, the transducers are securely mounted to the PCB by two round metallic pins.
They conform to the EN50178 standard and are CE marked according to the European Directive 89/336/EEC.
They are particularly suitable for industrial applications and home appliances, such as variable speed drives, UPS, SMPS and air-conditioners.
The HTB series is covered by a five-year warranty.
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