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Open Loop
| Primary Current, Measuring Range | 0 ... 3000 A |
| Output Voltage Range | −2 ... 2 V |
| Supply Voltage | 10 ... 28 V |
| Accuracy @ IPN | −0.5 ... 0.5 % of IPN |
| Operating Temperature Range | −40 ... +85 °C |
| Isolation Test Voltage | 12 kV |
Wind turbine power converter, Electrolyser, High power drives.
The FRS 1000-S is an open loop current transducer from LEM for the electronic measurement of current: DC, AC, pulsed..., with galvanic isolation.
Typical applications include Wind turbine power converter, Electrolyser, High power drives and IEC 62477-1: 2022.
Key characteristics from the official datasheet: linearity error −0.35 ... 0.35 % of IPN; frequency bandwidth 1000 kHz; operating temperature −40 ... +85 °C.
| General Information | |
|---|---|
| Manufacturer | LEM |
| Product Series | FRS |
| Product Reference | FRS 1000-S |
| Primary Nominal Current | 1000 A |
| Supply Voltage | 10 ... 28 V |
| Measurement | current: DC, AC, pulsed... |
| Mounting | Busbar Mount |
| Application Domain | Industrial, Traction, Trackside |
| Electrical Data — FRS 1000-S | |
|---|---|
| Primary Nominal RMS Current (IPN) | 1000 A |
| Primary Current, Measuring Range (IPM) | 0 ... 3000 A |
| Supply Voltage (UC) | 10 ... 28 V |
| Current Consumption (IC) | 60 ... 80 mA |
| Accuracy & Dynamic Performance | |
|---|---|
| Accuracy @ IPN | −0.5 ... 0.5 % of IPN |
| Linearity Error (εL) | −0.35 ... 0.35 % of IPN |
| Response Time to 90 % of IPN Step | 0.2 µs |
| Frequency Bandwidth | 1000 kHz |
| Insulation Coordination | |
|---|---|
| RMS Voltage for AC Insulation Test (50 Hz, 1 min) Ud | 12 kV |
| Impulse Withstand Voltage (1.2/50 µs) UNi | 44 kV |
| Comparative Tracking Index (CTI) | 600 |
| Environmental & Mechanical Characteristics | |
|---|---|
| Ambient Operating Temperature (TA) | −40 ... +85 °C |
| Ambient Storage Temperature (TA st) | −40 ... +90 °C |
| Mass (m) | 472 g |
| Standards & Certifications | |
|---|---|
| IEC 62477-1 | Compliance |
| IEC 61800-5-1 | Compliance |
| IEC 62109-1 | Compliance |
| IEC 61010-1 | Compliance |
| EN 50155 | Compliance |
| IEC 61992-7-2 | Compliance |
| UL 61010-1 | 3ED 2022. |
Note: Specifications are taken from the official FRS 1000-S datasheet. Parameters that could not be confirmed from the datasheet are marked UNVERIFIED.
Official technical documentation for the FRS 1000-S.
Outline dimensions, pin layout and connection diagrams of the FRS 1000-S are shown below.
| Outline Dimensions & Mechanical Data | |
|---|---|
| Mass | 472 g |
Note: All dimensions are in millimetres. Refer to the official datasheet for the complete dimension drawing.
Typical applications of the FRS 1000-S.
The characteristic curves of the FRS 1000-S from the official datasheet are shown below.
| Accuracy & Dynamic Characteristics | |
|---|---|
| Accuracy @ IPN | −0.5 ... 0.5 % of IPN |
| Linearity Error (εL) | −0.35 ... 0.35 % of IPN |
| Response Time to 90 % of IPN Step | 0.2 µs |
| Frequency Bandwidth | 1000 kHz |
Note: Refer to the datasheet for the complete set of characteristic curves.
Other models of the FRS Series share the same measurement principle, mounting concept and output interface family.
