Datenblatt-Suchmaschine für elektronische Bauteile |
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LA125-P-SP4 Datenblatt(PDF) 1 Page - LEM |
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LA125-P-SP4 Datenblatt(HTML) 1 Page - LEM |
1 / 3 page LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice. www.lem.com Page 1/3 090608/14 I PN = 125 A Features Closed loop (compensated) ● current transducer using the Hall effect Printed circuit board mounting ● Isolated plastic case recognized ● according to UL 94-V0. Special features K ● N = 1: 2000 T ● A = - 40°C .. + 85°C Potted. ● Advantages Excellent accuracy ● Very good linearity ● Low temperature drift ● Optimized response time ● Wide frequency bandwidth ● No insertion losses ● High immunity to external ● interference Current overload capability. ● Applications AC variable speed drives and ● servo motor drives Static converters for DC motor ● drives Battery supplied applications ● Uninterruptible Power Supplies ● (UPS) Switched Mode Power Supplies ● (SMPS) Power supplies for welding ● applications. Application domain Traction. ● Current Transducer LA 125-P/SP4 For the electronic measurement of currents: DC, AC, pulsed..., with galvanic isolation between the primary circuit (high power) and the secondary circuit (electronic circuit). Electrical data I PN Primary nominal current rms 125 A I PM Primary current, measuring range 0 .. ± 300 A R M Measuring resistance T A = 70°C T A = 85°C R M minRM max R M minRM max with ± 12 V @ ± 125 A max 0 89 0 85 Ω @ ± 200 A max 0 29 0 25 Ω with ± 15 V @ ± 125 A max 0 134 0 130 Ω @ ± 200 A max 0 54 0 50 Ω @ ± 300 A max 0 11 0 7 Ω I SN Secondary nominal current rms 62.5 mA K N Conversion ratio 1 : 2000 V C Supply voltage (± 5 %) ± 12 .. 15 V I C Current consumption 16 (@ ± 15 V) + I S mA X Accuracy @ I PN , TA = 25°C @ ± 15 V (± 5 %) ± 0.60 % Accuracy - Dynamic performance data @ ± 12 .. 15 V (± 5 %) ± 0.80 % ε L Linearity error < 0.15 % Typ Max I O Offset current @ I P = 0, TA = 25°C ± 0.20 mA I OM Magnetic offset current 1) @ I P = 0 and specified RM, after an overload of 3 x I PN ± 0.25 mA I OT Temperature variation of I O - 25°C .. + 85°C ± 0.20 ± 0.50 mA - 40°C .. - 25°C ± 0.30 ± 0.80 mA t ra Reaction time to 10 % of I PN < 500 ns t r Response time 2) 3) to 90 % of I PN step < 1 µs di/dt di/dt accurately followed 4) > 200 A/µs BW Frequency bandwidth 4) (- 1 dB) DC .. 100 kHz T A Ambient operating temperature - 40.. + 85 °C General data T S Ambient storage temperature - 45 .. + 100 °C R S Secondary coil resistance @ T A = 70°C 76 Ω @ T A = 85°C 80 Ω m Mass 55 g Standards EN 50155: 1995 Notes: 1) Result of the coercive field of the magnetic circuit 2) With a di/dt of 100 A/µs 3) The primary conductor is best filling the through-hole and/or the return of the primary conductor is above the top of the transducer. 16053 |
Ähnliche Teilenummer - LA125-P-SP4 |
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Ähnliche Beschreibung - LA125-P-SP4 |
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