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LA200-P データシート(PDF) 1 Page - LEM |
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LA200-P データシート(HTML) 1 Page - LEM |
1 / 2 page LEM www .lem.com LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice. 060303/12 Page 1/2 Current Transducer LA 200-P For the electronic measurement of currents : DC, AC, pulsed..., with a galvanic isolation between the primary circuit (high power) and the secondary circuit (electronic circuit). Electrical data I PN Primary nominal r.m.s. current 200 A I P Primary current, measuring range 0 .. ± 300 A R M Measuring resistance @ T A = 70°C T A = 85°C R M min R M max R M min R M max with ± 12 V @ ± 200 A max 0 30 0 26 Ω @ ± 250 A max 0 8 0 4 Ω with ± 15 V @ ± 200 A max 0 60 0 56 Ω @ ± 300 A max 0 12 0 8 Ω I SN Secondary nominal r.m.s. current 100 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 V d R.m.s. voltage for AC isolation test, 50 Hz, 1 mn 3 kV V b R.m.s. rated voltage, 1) safe separation 900 V basic isolation 450 V V e R.m.s. voltage for partial discharge extinction > 1.8 kV V W Impulse withstand voltage 1.2/50 µs > 8 kV Accuracy - Dynamic performance data X Accuracy @ I PN , TA = 25°C @ ± 15 V (± 5 %) ± 0.40 % @ ± 12 .. 15 V (± 5 %) ± 0.65 % ε L Linearity error < 0.15 % Typ Max I O Offset current @ I P = 0, TA = 25°C ± 0.20 mA I OM Residual current 2) @ I P = 0, after an overload of 3 x IPN ± 0.25 mA I OT Thermal drift of I O 0°C .. + 70°C ± 0.10 ± 0.25 mA - 40°C .. + 85°C ± 0.15 ± 0.55 mA t ra Reaction time @ 10 % of I P max < 500 ns t r Response time 3) 4) @ 90 % of I P max < 1 µs di/dt di/dt accurately followed 4) > 200 A/µs f Frequency bandwidth 4) (- 1 dB) DC .. 100 kHz General data T A Ambient operating temperature - 40 .. + 85 °C T S Ambient storage temperature - 40 .. + 90 °C R S Secondary coil resistance @ T A = 70°C 76 Ω T A = 85°C 80 Ω m Mass 40 g Standards EN 50178 : 1997 Notes : 1) Pollution class 2 2) The result of the coercive field of the magnetic circuit 3) With a di/dt of 100 A/µs 4)The primary conductor is best filling the through-hole and/or the return of the primary conductor is above the top of the transducer. Features • Closed loop (compensated) current transducer using the Hall effect • Printed circuit board mounting • Insulated plastic case recognized according to UL 94-V0. 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 • Industrial. I PN = 200 A 16044 |
同様の部品番号 - LA200-P |
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同様の説明 - LA200-P |
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