 |
|
| If you can't view the Datasheet, Please click here to try to view without PDF Reader . |
|
|
|
| If you can't view the Datasheet, Please click here to try to view without PDF Reader . |
|
|
| Datasheet File OCR Text: |
| Current Transducer LAH 50-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). IPN = 50 A Electrical data IPN IP RM Primary nominal r.m.s. current Primary current, measuring range Measuring resistance @ with 12 V with 15 V ISN KN VC IC Vd Ve Vw X @ @ @ @ 1) 50 0 .. 110 TA = 70C TA = 85C RM min RM max RM min RM max 0 0 0 0 221 115 335 195 0 0 0 0 214 108 327 188 A A Features * Closed loop (compensated) current transducer using the Hall effect IPN [ A DC ] IPN [A RMS ] 2) IPN [ A DC ] IPN [A RMS ] 2) mA V mA kV kV kV * Printed circuit board mounting * Insulated plastic case recognized according to UL 94-V0. Secondary nominal r.m.s. current 25 Conversion ratio 1 : 2000 Supply voltage ( 5 %) 12 .. 15 Current consumption 10 (@ 15V) + IS R.m.s. voltage for AC isolation test, 50/60 Hz, 1 mn 5 R.m.s. voltage for partial discharge extinction @ 10 pC > 2 Impulse withstand voltage 1.2/50 s > 12 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. Accuracy - Dynamic performance data L Accuracy 3) @ IPN, TA = 25C Linearity Offset current @ TA = 25C Residual current @ IP = 0, after an overload of 5 x IPN Thermal drift of IO 0C .. + 70C - 25C .. + 85C Reaction time @ 10 % of IPN Response time 4) @ 90 % of IPN di/dt accurately followed Frequency bandwidth (- 1 dB) 0.25 < 0.15 Max 0.15 0.10 0.15 0.10 0.30 0.10 0.40 < 200 < 500 > 200 DC .. 200 Typ % % mA mA mA mA ns ns A/s kHz IO IOM IOT tr a tr di/dt f 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) General data TA TS RS Ambient operating temperature Ambient storage temperature Secondary coil resistance Insulating material group Mass Standards 5) 1) 2) 3) 4) 5) @ TA = 70C @ TA = 85C m - 25 .. + 85 - 40 .. + 90 135 142 I 22 EN 50178 C C g * Power supplies for welding applications. Notes : For 10 s, with RM 71 (VC = 15 V) 50 Hz Sinusoidal Without IO & IOM With a di/dt of 100 A/s A list of corresponding tests is available. 010822/5 LEM Components w w w .lem.com Dimensions LAH 50-P Bottom view (in mm. 1 mm = 0.0394 inch) Left view Front view Secondary terminals Terminal M : measure Terminal + : supply voltage + 15 V Terminal - : supply voltage - 15 V IN OUT Connection Number of primary turns Primary current nominal maximum Nominal output current Turns ratio Primary resistance Primary insertion inductance IPN [ A ] 50 IP [A] 110 ISN [ mA ] 25 KN 1 : 2000 RP [ m ] 0.12 LP 0.008 [ H ] 1 Mechanical characteristics * General tolerance * Fastening & connection of primary Recommended PCB hole * Fastening & connection of secondary Recommended PCB hole 0.2 mm 6 pins 1.4 x 1 mm 2 mm 3 pins 0.7 x 0.6 mm 1.2 mm Remarks * IS is positive when IP flows from terminals "IN" to terminals "OUT". * This is a standard model. For different versions (supply voltages, turns ratios, unidirectional measurements...), please contact us. LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice. |
Price & Availability of LAH50-P
 |
|
|
|
|
All Rights Reserved © IC-ON-LINE 2003 - 2022 |
| [Add Bookmark] [Contact Us] [Link exchange] [Privacy policy] |
|
Mirror Sites : [www.datasheet.hk]
[www.maxim4u.com] [www.ic-on-line.cn]
[www.ic-on-line.com] [www.ic-on-line.net]
[www.alldatasheet.com.cn]
[www.gdcy.com]
[www.gdcy.net] |