HXS 50-NP

## **Current Transducer HXS 50-NP** 

## **I = 12.5 - 25 - 50 A PN** 

For the electronic measurement of currents : DC, AC, pulsed, mixed, with a galvanic isolation between the primary circuit (high power) and the secondary circuit (electronic circuit). tse) (ta) ~~CE~~ All Data are given with a RL = 10 kΩ 

## **Electrical data** ~~CT~~ 

**I** PN Primary nominal r.m.s. current ±50 A **I** P Primary current measuring range ±150 A **V** OUT Analog output voltage @ **I** P **V** REF ±(0.625· **I** P/ **I** PN) V **I** P = 0 **V** REF ± 0.0125 V **V** REF Internal Reference[1)] - Output voltage 2.5 ± 0.025 V **V** REF Output impedance typ. 200 Ω **V** REF Load impedance ≥ 200 kΩ **R** L Output load resistance ≥ 2 kΩ **R** OUT Output impedance < 10 Ω **C** L Max. output capacitive load < 1 µF **V** C Supply  voltage (± 5 %) 5 V **I** C Current consumption @ **V** C = 5 V 22 mA 

## PO **Accuracy - Dynamic performance data** 

**X** Accuracy[2)] @ **I** PN , **T** A = 25°C ≤±1 % of **I** PN **ε** L Linearity 0 .. **I** PN ≤±0.5 % of reading .. 3 x **I** PN ≤±1 % of reading **TCV** OUT Thermal drift of **V** OUT @ **I** P = 0 ≤±0.4 mV/K **TCV** REF Thermal drift of **V** REF ≤±0.01 %/K **TCV** OUT / **V** REF Thermal drift of **V** OUT / **V** REF @ **I** P = 0 ≤±0.2 mV/K **TCε** G Thermal drift of the gain ≤±0.05% of reading/K **V** OM Residual voltage @ **I** P = 0, after an overload of 3 x **I** PN DC <±1 % of **I** PN **t** ra Reaction time @ 10 % of **I** PN < 3 µs **t** r Response time @ 90 % of **I** PN < 5 µs **di/dt** di/dt accurately followed > 50 A/µs Output noise without external filter (300kHz) < 20 mVpp **f** Frequency bandwidth (-3 dB)[ 3)] DC .. 50 kHz 

## **General data** CT 

- **T** A Ambient operating temperature - 40 .. + 85 °C **T** S Ambient storage temperature - 40 .. + 85 °C **dCp** Creepage distance > 5.5 m m **dCl** Clearance distance > 5.5 m m **CTI** Comparative tracking index (Group I ) > 600 V UL94 classification V0 

- **m** Mass 10 g Standards EN 50178 (97-10-01) 

## **Features** 

- Hall effect measuring principle 

- Multirange current transducer through PCB pattern lay-out 

- Galvanic isolation between primary and secondary circuit 

- Isolation test voltage 2500V 

- Low power consumption 

- Extremely low profile, 10mm 

- Single power supply +5V 

- Fixed offset & gain 

## **Advantages** 

- Small size and space saving 

- Only one design for wide current ratings range 

- High immunity to external interference. 

- Internal & external reference 

## **Applications** 

- AC variable speed drives 

- Static converters for DC motor drives 

- Battery supplied applications 

- Uninterruptible Power Supplies (UPS) 

- Switched Mode Power Supplies (SMPS) 

- Power supplies for welding applications. 

041112/2 

LEM  Components 

www.lem.com 

**==> picture [517 x 66] intentionally omitted <==**

## **Current Transducer HXS 50-NP** 

## **Insulation category** 

|**V**b|Nominal Voltage|150|V r.m.s.|
|---|---|---|---|
||with IEC 61010-1 standards and following conditions|||
||- Single insulation|||
||- Over voltage category III|||
||- Pollution degree 2|||
||- Heterogeneous field|||
|**V**b|Nominal Voltage|300|V r.m.s.|
||with EN 50178 standards and following conditions|||
||- Reinforced insulation|||
||- Over voltage category III|||
||- Pollution degree 2|||
||- Heterogeneous field|||
|**V**d|R.m.s. voltage for AC isolation test, 50/60 Hz, 1 mn|2.5|kV|
|**V**e|R.m.s. voltage for partial discharge extinction @ 10pC|> 1|kV|
|**V**w|Impulse withstand voltage 1.2/50µs|6|kV|



Notes :[1)] It is possible to overdrive **V** REF with an external reference voltage between 2 - 2.8 V providing its ability to sink or source approximately 2.5 mA. 

- 2) Excluding offset and hysteresis. 

- 3) Small signal only to avoid excessive heatings of the magnetic core. 

|Safety :<br>Caution, risk of danger<br>Caution, risk of electrical shock|This transducer shall be used in accordance with manufacturer instruction.<br>The temperature of the primary conductor shall not exceed 100°C<br>Power supply shall be a low voltage source and shall have an efficient<br>protective system against over current.<br>Power supply must incorporate a circuit breaker.<br>This transducer shall be used in an electric/electronic equipment in respect<br>of standards rules and applicable safety requirements.<br>Primary bar and output terminals can provide hazardous voltage.<br>This transducer is a built in device, of which conducting parts must be<br>inaccessible by installation.<br>Protective envelope or additional shield must be used.|
|---|---|



LEM  Components 

www.lem.com 

**==> picture [517 x 67] intentionally omitted <==**

## **HXS 50-NP Dimensions** (in mm) 

**==> picture [389 x 495] intentionally omitted <==**

**----- Start of picture text -----**<br>
18.5<br>             16.5<br>          12     14<br>6.1<br>0.6 R ecommended connection circuitequired Connection Circuit<br>5V<br>Ref 8 7 HXS 50-NP 47nF<br>Out 6 5 0V<br>GND 4 3 4.7nF<br>Vc 2 1 Output<br>47nF<br>8-1.3d V Ref. IN/OUTRef.<br>4-0.5*0.25<br>7.7<br>Operation Principle<br>+Vc<br>Vout<br>Vref.(IN/OUT)<br>Ip 0V<br>Number of Primary current Primary Primary insertion Recommended<br>primary turns nominal  maximum resistance inductance PCB connections<br>I PN [A] I P [A] R P [m ohm] L P [uF]<br>IN 1 3 5 7<br>1 52 0 150 60 0.05 0.025<br>2 4 6 8 OUT<br>IN 1 3 5 7<br>2 1025 3075  0.2 0.1<br>2 4 6 8 OUT<br>IN 1 3 5 7<br>4 12.55 37.515 1 0.4<br>2 4 6 8 OUT<br>10<br>3.5 3.5<br>18.5<br>P=2.54 P=2.54<br>**----- End of picture text -----**<br>


## **Mechanical characteristics** 

## **Remarks** 

- General tolerance ± 0.2 mm • **V** OUT is positive when **I** P flows from terminals 1, 3, 5, 7 (IN) to 

- • Fastening & connection of primary jumper 8 pins Ø 1.3 mm terminals 2, 4, 6, 8 (OUT). Recommended PCB hole Ø 1.5 mm • Temperature of the primary conductors should not exceed 

- • Fastening & connection of secondary 4 pins 0.5 x 0.25 100°C. Recommended PCB hole Ø 0.7 mm 

LEM  reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice.