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- Automotive Transducer  
- Industry Transducer  
- Railway Tranducer  

LTC Series LF Series
AV and DV Series Solutions for voltage measurement

LTC series : Modular Current transducers
- Measures DC, AC, pulsed … currents with galvanic isolation
- Mountable in 4 positions : 0º, 90º, 180º, 270º
- Different accessories : mounting feet, clamps, bus bars
  more details on page 4 of each -S data sheet
350…1000 ARMS
Closed loop
Hall cell
LTC 600 & 1000 Transducer /
Mechanical adaptation accessories
(same possibilities for LTC 350
and 500 models)
Without accessories     LTC 350-S LTC 500-S LTC 600-S LTC 1000-S
With clamps     1) 1) 1) 1)
With feets     LTC 350-SF LTC 500-SF LTC 600-SF LTC 1000-SF
With clamps and feets     1) 1) LTC 600-SFC LTC 1000-SFC
With bus bar     LTC 350-T LTC 500-T LTC 600-T LTC 1000-T
With bus bar and feets     LTC 350-TF LTC 500-TF LTC 600-TF LTC 1000-TF
Other types: contact sales     < < < <
Special features : contact sales     < < < <
Different bus bars are available     Yes Yes Yes Yes
Parameter Description Condition unit        
IPN Primary nominal current   ARMS 350 500 500 1000
IP Measuring range, primary @ ±24V A peak ±12002 ±12002 ±15002 ±24002
IP Max. not measurable overload   kA/ms 10/10 10/10 10/10 10/10
RMmax Max. Measuring resistance @ ±24V Ω 60 110 150 50
RMmax Max. Measuring resistance @ ±15V Ω 30 50 70 15
RMmin Min. Measuring resistance @ ±24V Ω 10 0 0 0
RMmin Min. Measuring resistance @ ±15V Ω 0 0 0 0
KN Conversion ratio     1 : 2000 1 : 4000 1 : 5000 1 : 5000
ISN Secondary nominal current   mA 175 125 100 200
VC Supply voltage ±5% V ±15…24 ±15…24 ±15…24 ±15…24
IC Current consumption @ ±24V mA < 35 + IS < 35 + IS < 30 + IS < 30 + IS
Vd Dielectric strength 50 Hz 1min. kVRMS 12 12 13.4 13.4
XG Overall accuracy @ IPN, TA = 25ºC % < ± 0.5 < ± 0.6 < ± 0.7 < ± 0.4
    @ IPN, TA = -40…+85ºC %     < ± 1.6 < ± 1
ε L Linearity error   % < 0.1 < 0.1 < 0.1 < 0.1
IO Offset current @ IP=0, TA=25ºC mA ≤ ±0.5 < ± 0.5 < ± 0.5 < ± 0.5
IOT Thermal drift of IO -40…+85ºC mA ≤ ±0.8 < ± 0.8 < ± 1 < ± 1
tr Response time @90% of IPN μs < 1 < 1 < 1 < 1
di/dt accurately followed   A/μs > 100 > 100 > 100 > 100
BW Frequency bandwidth -1dB kHz DC…100 DC…100 DC…100 DC…100
TA Ambient operating temperature   ºC -40…+85 -40…+85 -40…+85 -40…+85
TS Ambient storage temperature   ºC -45…+90 -45…+90 -45…+90 -45…+90
RS Secondary coil resistance @ TA = +85ºC Ω 15 47 44 44
m Mass -S model g 400 400 750 750
  Standards EN50155   Yes Yes Yes Yes
  Secondary connection     M5, Faston M5, Faston M5, Faston M5, Faston
  Shield between primary and secondary     Yes Yes Yes Yes


1) Order separately
2) More details: see data sheet

Dedicated data sheets are the only recognized reference documents for the given performances and data
- Datasheets: www.lem.com
 
 
 

 

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