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Open loop
| Primary Current, Measuring Range | −100 ... 100 A |
| Output Voltage Range | −1.15 ... 1.15 V |
| Supply Voltage | 3.135 ... 3.465 V |
| Accuracy @ IPN | −1 ... 1 % of IPN |
| Operating Temperature Range | 105 °C |
| Isolation Test Voltage | 4.3 kV |
AC variable speed 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, Combiner box, MPPT.
The HLSR 40-SM/SP33 is an open loop current transducer from LEM for the electronic measurement of currents: DC, AC, pulsed..., with galvanic isolation.
Typical applications include AC variable speed and servo motor drives, Static converters for DC motor drives, Battery supplied applications and Uninterruptible Power Supplies (UPS).
Key characteristics from the official datasheet: linearity error −0.5 ... 0.5 % of IPN; frequency bandwidth 450 kHz; operating temperature 105 °C.
| General Information | |
|---|---|
| Manufacturer | LEM |
| Product Series | HLSR |
| Product Reference | HLSR 40-SM/SP33 |
| Primary Nominal Current | 40 A |
| Supply Voltage | 3.135 ... 3.465 V |
| Measurement | currents: DC, AC, pulsed... |
| Mounting | PCB Mount |
| Application Domain | Industrial |
| Electrical Data — HLSR 40-SM/SP33 | |
|---|---|
| Primary Nominal RMS Current (IPN) | 40 A |
| Primary Current, Measuring Range (IPM) | −100 ... 100 A |
| Supply Voltage (UC) | 3.135 ... 3.465 V |
| Current Consumption (IC) | 19 ... 25 mA |
| Resistance of Primary Winding (RP) | 0.21 mΩ |
| Accuracy & Dynamic Performance | |
|---|---|
| Accuracy @ IPN | −1 ... 1 % of IPN |
| Linearity Error (εL) | −0.5 ... 0.5 % of IPN |
| Electrical Offset Voltage (VO E) @ IP = 0 | −5 ... 5 mV |
| Response Time to 90 % of IPN Step | 2.5 µs |
| Frequency Bandwidth | 450 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 |
| Creepage Distance (dCp) | 8 mm |
| Clearance (dCI) | 8 mm |
| Comparative Tracking Index (CTI) | 600 |
| Environmental & Mechanical Characteristics | |
|---|---|
| Ambient Operating Temperature (TA) | 105 °C |
| Ambient Storage Temperature (TA st) | 105 °C |
| Mass (m) | 5 g |
| Standards & Certifications | |
|---|---|
| EN 50178 | Compliance |
| IEC 61010 | -1: |
| IEC 61326 | -1: |
| UL 508 | 2010. |
Note: Specifications are taken from the official HLSR 40-SM/SP33 datasheet. Parameters that could not be confirmed from the datasheet are marked UNVERIFIED.
Official technical documentation for the HLSR 40-SM/SP33.
Outline dimensions, pin layout and connection diagrams of the HLSR 40-SM/SP33 are shown below.
| Outline Dimensions & Mechanical Data | |
|---|---|
| Mass | 5 g |
| Resistance of Primary Winding (RP) | 0.21 mΩ |
Note: All dimensions are in millimetres. Refer to the official datasheet for the complete dimension drawing.
Typical applications of the HLSR 40-SM/SP33.
The characteristic curves of the HLSR 40-SM/SP33 from the official datasheet are shown below.
| Accuracy & Dynamic Characteristics | |
|---|---|
| Accuracy @ IPN | −1 ... 1 % of IPN |
| Linearity Error (εL) | −0.5 ... 0.5 % of IPN |
| Response Time to 90 % of IPN Step | 2.5 µs |
| Frequency Bandwidth | 450 kHz |
Note: Refer to the datasheet for the complete set of characteristic curves.
Other models of the HLSR Series share the same measurement principle, mounting concept and output interface family.
