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Current Transducer
| Operating Temperature Range | −25 ... 70 °C |
| Frequency Bandwidth (BW) | 20 ... 3000 Hz |
| Inductance of test circuit (±6 %) (L) | 8.75 mH |
| Number of turns (test winding) (N) | 1920 |
| Resistance of test winding @ T = 70 °C (±3 %) (R) | 134 Ω |
| Test current (I) | < 50 mA |
Single or three phase inverters, Propulsion and braking choppers, Propulsion converters. Application Domain, Railway (fixed installations and onboard). Page 1/5 LEM International SA Route du Nant-d’Avril, 152 www.lem.com
The RA 2000-S/SP1 is a None current transducer from LEM.
Typical applications include Single or three phase inverters, Propulsion and braking choppers, Propulsion converters. Application Domain and Railway (fixed installations and onboard). Page 1/5 LEM International SA Route du Nant-d’Avril, 152 www.lem.com.
Key characteristics from the official datasheet: frequency bandwidth 20 ... 3000 Hz; operating temperature −25 ... 70 °C.
| General Information | |
|---|---|
| Manufacturer | LEM |
| Product Series | RA |
| Product Reference | RA 2000-S/SP1 |
| Measurement | — |
| Mounting | Busbar Mount |
| Application Domain | Railway (fixed installations and onboard) |
| Accuracy & Dynamic Performance | |
|---|---|
| Frequency Bandwidth (BW) | 20 ... 3000 Hz |
| Frequency bandwidth | 20 ... 3000 Hz |
| Inductance of test circuit (±6 %) (L) | 8.75 mH |
| Number of turns (test winding) (N) | 1920 |
| Resistance of test winding @ T = 70 °C (±3 %) (R) | 134 Ω |
| Test current (I) | < 50 mA |
| Frequency | 20 Hz ... 100 Hz 10 Hz ... 3000 Hz |
| Environmental & Mechanical Characteristics | |
|---|---|
| Ambient Operating Temperature (TA) | −25 ... 70 °C |
| Ambient Storage Temperature (TA st) | −40 ... 85 °C |
| Case Material | Insulating plastic case recognized according to UL 94-V0. |
| Ambient operating temperature (T) | −25 ... 70 °C |
| Ambient storage temperature (T) | −40 ... 85 °C |
| Primary conductor temperature (T) | ≤ 100 °C |
| Secondary coil resistance @ T = 70 °C (±3 %) (R) | 131 Ω |
| Mass (m) | 6 kg |
| EN 50121-3-2: | 2016 |
| Standards & Certifications | |
|---|---|
| EN 50155 | 2017 |
| EN 50121-3-2 | Compliance |
| Electrical Data | |
|---|---|
| Inductance of secondary circuit (±6 %) (L) | 8.65 mH |
| Number of secondary turns (N) | 1920 |
| Insulation Coordination | |
|---|---|
| Creepage distance (d) | 113.5 mm |
| Clearance (d) | 107.8 mm |
| CTI Comparative Tracking Index (group I) | 600 |
Note: Specifications are taken from the official RA 2000-S/SP1 datasheet. Parameters that could not be confirmed from the datasheet are marked UNVERIFIED.
Official technical documentation for the RA 2000-S/SP1.
Outline dimensions, pin layout and connection diagrams of the RA 2000-S/SP1 are shown below.
| Outline Dimensions & Mechanical Data | |
|---|---|
| Number of turns (test winding) (N) | 1920 |
| Resistance of test winding @ T = 70 °C (±3 %) (R) | 134 Ω |
| Case Material | Insulating plastic case recognized according to UL 94-V0. |
Note: All dimensions are in millimetres. Refer to the official datasheet for the complete dimension drawing.
Typical applications of the RA 2000-S/SP1.
Characteristic curve diagrams are not included in the RA 2000-S/SP1 datasheet; the relevant characteristics are the accuracy and dynamic performance data listed below.
| Accuracy & Dynamic Characteristics | |
|---|---|
| Frequency Bandwidth (BW) | 20 ... 3000 Hz |
| Frequency bandwidth | 20 ... 3000 Hz |
Note: For the full set of performance data, refer to the datasheet.
Other models of the RA Series share the same measurement principle, mounting concept and output interface family.
