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Closed loop (compensated) current transducer using the Hall effect
| Primary Current, Measuring Range | −51 ... 51 A |
| Output Voltage Range | 0.25 ... 4.75 V |
| Supply Voltage | 4.75 ... 5.25 V |
| Accuracy @ IPN | 3 % of IPN |
| Operating Temperature Range | −40 ... 105 °C |
| Isolation Test Voltage | 4.3 kV |
IEC 61800-1: 1997, IEC 61800-2: 2015, IEC 61800-3: 2004, IEC 61800-5-1: 2007, IEC 62109-1: 2010, IEC 62477-1: 2012, UL 508:2013. Application Domain, Industrial.
The LES 15-NP is a closed loop (compensated) current transducer from LEM for the electronic measurement of current: DC, AC, pulsed..., with galvanic isolation.
Typical applications include IEC 61800-1: 1997, IEC 61800-2: 2015, IEC 61800-3: 2004 and IEC 61800-5-1: 2007.
Key characteristics from the official datasheet: linearity error −0.1 ... 0.1 % of IPN; frequency bandwidth 300 ... 1 kHz; operating temperature −40 ... 105 °C.
| General Information | |
|---|---|
| Manufacturer | LEM |
| Product Series | LES |
| Product Reference | LES 15-NP |
| Primary Nominal Current | 15 A |
| Supply Voltage | 4.75 ... 5.25 V |
| Measurement | current: DC, AC, pulsed... |
| Mounting | PCB Mount |
| Application Domain | Industrial |
| Electrical Data — LES 15-NP | |
|---|---|
| Primary Nominal RMS Current (IPN) | 15 A |
| Primary Current, Measuring Range (IPM) | −51 ... 51 A |
| Supply Voltage (UC) | 4.75 ... 5.25 V |
| Current Consumption (IC) | 20.5 + IP/NS mA (typ) / 2000 + IP/NS mA (max) |
| Accuracy & Dynamic Performance | |
|---|---|
| Accuracy @ IPN | 3 % of IPN |
| Linearity Error (εL) | −0.1 ... 0.1 % of IPN |
| Electrical Offset Voltage (VO E) @ IP = 0 | 15.42 mV |
| Response Time to 90 % of IPN Step | 0.4 µs |
| Frequency Bandwidth | 300 ... 1 kHz |
| Insulation Coordination | |
|---|---|
| RMS Voltage for AC Insulation Test (50 Hz, 1 min) Ud | 4.3 kV |
| Impulse Withstand Voltage (1.2/50 µs) UNi | 8 kV |
| Comparative Tracking Index (CTI) | 600 |
| Environmental & Mechanical Characteristics | |
|---|---|
| Ambient Operating Temperature (TA) | −40 ... 105 °C |
| Ambient Storage Temperature (TA st) | −55 ... 125 °C |
| Mass (m) | 10 g |
| Standards & Certifications | |
|---|---|
| IEC 61800 | -1: |
| IEC 61800 | -2: |
| IEC 61800 | -3: |
| IEC 61800 | -5-1: |
| IEC 62109 | -1: |
| IEC 62477 | -1: |
| UL 508 | 2013. |
Note: Specifications are taken from the official LES 15-NP datasheet. Parameters that could not be confirmed from the datasheet are marked UNVERIFIED.
Official technical documentation for the LES 15-NP.
Outline dimensions, pin layout and connection diagrams of the LES 15-NP are shown below.
| Outline Dimensions & Mechanical Data | |
|---|---|
| Mass | 10 g |
Note: All dimensions are in millimetres. Refer to the official datasheet for the complete dimension drawing.
Typical applications of the LES 15-NP.
The characteristic curves of the LES 15-NP from the official datasheet are shown below.
| Accuracy & Dynamic Characteristics | |
|---|---|
| Accuracy @ IPN | 3 % of IPN |
| Linearity Error (εL) | −0.1 ... 0.1 % of IPN |
| Response Time to 90 % of IPN Step | 0.4 µs |
| Frequency Bandwidth | 300 ... 1 kHz |
Note: Refer to the datasheet for the complete set of characteristic curves.
Other models of the LES Series share the same measurement principle, mounting concept and output interface family.
