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LEM  LA 55-P  CURRENT SENSOR, CLOSED LOOP, 70A, 1US

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  • Manufacturer: LEM
  • Newark Part No.: 01P0386
  • Manufacturer Part No LA 55-P

Product Information


  • Accuracy: ± 0.65%
  • Accuracy %: 0.65%
  • Current Measuring Range AC: -70A to 70A
  • Current Measuring Range DC: -70A to 70A
  • Response Time: 1µs
  • SVHC: To Be Advised
  • Sensor Output: Closed Loop
  • Supply Voltage DC Max: 15V
  • Supply Voltage DC Min: 12V

Availability

Availability:  378


  • 378 in stock for same day shipping
 
Check stock and lead times
  • 72 Further stock expected to ship on Oct 1, 2014
  • Per the manufacturer, more stock expected week of 11/10/14

Price for: Each 1

Minimum order quantity: 1

Order multiple quantity: 1

Price: $38.01

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Price

Quantity List Price
1 - 9 $38.01
10 - 24 $30.35
25 - 99 $24.43
100 - 499 $20.38
500+ $18.94

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To whom it may concern,

Thanks for your time. I am having a difficult time to understand the datasheet provided on the page. Do you guys have a more detailed explanation about this type of current transducer? For example, the circuit design of the connection about the current transducer and the test circuit.

Thanks.

Best wishes.
Hebe
1 year ago
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Hebe
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Answers

A: 
Please refer to below supplier link:
http://www.lem.com/hq/en/content/view/208/157/

Its working principle is explained below:
you need to supply it with +/- 15V, and you read on the sense wire a proportional current. that current should be directed towards a resistors (as given in datasheet)

The voltage developed across the resistor (current * resistance) is the proportional voltage which you can use in your circuit.

The secondary current, or sense current, has a scaling given in the datasheet. if the primary senses 50 Amps peak, then your secondary sense current is 50/1000 = 0.005Amps peak. when directed to a 100 ohm resistor (of sufficient wattage rating) the voltage is 0.005 * 100 = 0.5V.
1 year ago
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TechGTC
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