Current transformer

Current transformer 300A / measuring range 640A / high accuracy / fast response time / DC, AC and pulse currents (special version with shielded cable for railroad technology)

Item no: LA 205-S/SP21
In stock: Available to order
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Description

  • Series: LA205
  • Special version for railroad technology: measuring range up to 640A, transmission ratio Np to INs = 1 : 3000, operating temperature: -40 °C to +85 °C, shielded, 3-pole cable, etc.
  • Closed loop Hall effect current sensor (AC, DC, pulse current measurement)
  • Galvanic isolation of primary and secondary circuit
  • Bandwidth: DC up to 100 kHz
  • Housing: UL 94-V0 plastic
  • Assembly: PCB
  • 5 year guarantee
  • Advantages: Excellent accuracy, very good linearity, low temperature drift, optimized response time, wide frequency bandwidth, no insertion losses, high interference immunity, overload capability
  • Typical applications: Railroad technology, drives, frequency converters, battery-powered applications UPS, SMPS, welding applications

Technical data

  • Rated current: 300 A
  • Measuring range: up to 640A
  • Current output, direct mapping: 100 mA
  • Supply: ±15 ... 24 V bipolar
  • Accuracy: ±0.8 %
  • Operating temperature: -40 °C to +85 °C

Additional information

Current transformer
Primary current Ipn

300A

Primary signal

AC + DC

Measuring range Ipm

+/-640A

Secondary output signal

100mA

Signal processing

Direct imaging

Supply

+/- 15...24Vdc

Accuracy

0.8%

Temperature range

-40…+85°C

Frequency bandwidth

DC...100kHz

Response time (typ.)

<1µs

Housing assembly

Panel

Application

Railroad

LEDs
Manufacturer

LEM

Data sheets

LA 205-S/SP21 PDF(153.89 KB)

Downloads

3D STEP File LA 205-S/SP21 Zip file (4.24 MB)

We would be happy to advise you personally

Our technical support team will be happy to answer any questions you may have about our products. Our competent product specialists with project experience will accompany you conscientiously in your projects. It is important to us to offer our customers top service at all times.