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Closed loop (compensated)
| Primary Current, Measuring Range | 0 .. ± 2720 A |
| Supply Voltage | ±14.25 .. ±25.2 V |
| Operating Temperature Range | −40 … 85 °C |
| Isolation Test Voltage | 6 kV |
| Turns Ratio (NP/NS) | 1 : 5000 |
| Current Consumption (IC) | 44 + IS mA @ ±UC = ±15 V / 49 + IS mA @ ±UC = ±24 V |
UNVERIFIED.
The LF 1010-S/SPA5 is a closed loop (compensated) current transducer from LEM for the electronic measurement of current: DC, AC, pulsed..., with galvanic isolation.
Typical applications include UNVERIFIED.
Key characteristics from the official datasheet: total error ± 0.2 % (25 … 70 … 85 °C) / ± 0.4 % (−40 … 85 °C); linearity error ± 0.15 %; frequency bandwidth 200 kHz; operating temperature −40 … 85 °C.
| General Information | |
|---|---|
| Manufacturer | LEM |
| Product Series | LF |
| Product Reference | LF 1010-S/SPA5 |
| Supply Voltage | ±14.25 .. ±25.2 V |
| Measurement | current: DC, AC, pulsed... |
| Mounting | Panel Mount |
| Application Domain | — |
| Electrical Data — LF 1010-S/SPA5 | |
|---|---|
| Primary Current, Measuring Range (IPM) | 0 .. ± 2720 A |
| Turns Ratio (NP/NS) | 1 : 5000 |
| Supply Voltage (UC) | ±14.25 .. ±25.2 V |
| Current Consumption (IC) | 44 + IS mA @ ±UC = ±15 V / 49 + IS mA @ ±UC = ±24 V |
| Resistance of Secondary Winding (RS) | 29.9 Ohm |
| Accuracy & Dynamic Performance | |
|---|---|
| Total Error (εtot) @ IPN | ± 0.2 % (25 … 70 … 85 °C) / ± 0.4 % (−40 … 85 °C) |
| Linearity Error (εL) | ± 0.15 % |
| Electrical Offset Current (IO) | ± 1 A |
| Magnetic Offset Current (IO M) | ± 1 A |
| Delay Time (tD) | < 0.5 µs |
| Frequency Bandwidth (BW) | 200 kHz |
| Insulation Coordination | |
|---|---|
| RMS Voltage for AC Insulation Test (50 Hz, 1 min) Ud | 6 kV |
| Impulse Withstand Voltage (1.2/50 µs) UNi | 17.5 kV |
| Creepage Distance (dCp) | 24.6 mm |
| Clearance (dCI) | 11.3 mm |
| Comparative Tracking Index (CTI) | 600 |
| Rated Insulation Voltage (basic) | 1800 V |
| Rated Insulation Voltage (reinforced) | 600 V |
| Environmental & Mechanical Characteristics | |
|---|---|
| Ambient Operating Temperature (TA) | −40 … 85 °C |
| Ambient Storage Temperature (TA st) | −50 … 90 °C |
| Mass (m) | 435 g |
| Case Material | V0 according to UL 94 |
| Standards & Certifications | |
|---|---|
| EN 50155 | 2021 |
Note: Specifications are taken from the official LF 1010-S/SPA5 datasheet. Parameters that could not be confirmed from the datasheet are marked UNVERIFIED.
Official technical documentation for the LF 1010-S/SPA5.
Outline dimensions, pin layout and connection diagrams of the LF 1010-S/SPA5 are shown below.
| Outline Dimensions & Mechanical Data | |
|---|---|
| Mass | 435 g |
| Resistance of Secondary Winding (RS) | 29.9 Ohm |
| Case Material | V0 according to UL 94 |
Note: All dimensions are in millimetres. Refer to the official datasheet for the complete dimension drawing.
Typical applications of the LF 1010-S/SPA5.
The characteristic curves of the LF 1010-S/SPA5 from the official datasheet are shown below.
| Accuracy & Dynamic Characteristics | |
|---|---|
| Total Error (εtot) @ IPN | ± 0.2 % (25 … 70 … 85 °C) / ± 0.4 % (−40 … 85 °C) |
| Linearity Error (εL) | ± 0.15 % |
| Frequency Bandwidth (BW) | 200 kHz |
Note: Refer to the datasheet for the complete set of characteristic curves.
Other models of the LF Series share the same measurement principle, mounting concept and output interface family.
