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Closed loop (compensated) voltage transducer
| Secondary Nominal Current | @ U 70 mA |
| Supply Voltage | ±24 V |
| Operating Temperature Range | −40 … +70 °C |
| Secondary Nominal RMS Current (ISN) | @ U 70 mA |
| Turns Ratio (NP/NS) | 2800 V 70 mA |
| Current Consumption (IC) | 50 + I mA |
Single or three phase inverters, Propulsion and braking choppers, Propulsion converters, Auxiliary converters, Battery chargers, AC variable speed drives and servo motor drives, Static converters for DC motor drives, Uninterruptible Power Supplies (UPS), Power supplies for welding applications, Railway overhead line voltage measurement. Application Domains, Railway (fixed installations and onboard), Industrial.
The CV 4-4000/SP2 SORTIE COURANT is a closed loop (compensated) current transducer from LEM for the electronic measurement of voltages: DC, AC, pulsed..., with galvanic isolation.
It offers excellent accuracy, very good linearity and low temperature drift. Typical applications include Single or three phase inverters, Propulsion and braking choppers, Propulsion converters and Auxiliary converters.
Key characteristics from the official datasheet: total error ±0.40 %; frequency bandwidth of U DC … 6 kHz; operating temperature −40 … +70 °C; nominal secondary output @ U 70 mA.
| General Information | |
|---|---|
| Manufacturer | LEM |
| Product Series | CV |
| Product Reference | CV 4-4000/SP2 SORTIE COURANT |
| Nominal Primary Voltage | 2800 V |
| Supply Voltage | ±24 V |
| Measurement | voltages: DC, AC, pulsed... |
| Mounting | — |
| Application Domain | Railway (fixed installations and onboard), Industrial |
| Electrical Data — CV 4-4000/SP2 SORTIE COURANT | |
|---|---|
| Secondary Nominal RMS Current (ISN) | @ U 70 mA |
| Turns Ratio (NP/NS) | 2800 V 70 mA |
| Supply Voltage (UC) | ±24 V |
| Current Consumption (IC) | 50 + I mA |
| Accuracy & Dynamic Performance | |
|---|---|
| Total Error (εtot) @ IPN | ±0.40 % |
| Frequency Bandwidth (BW) | of U DC … 6 kHz |
| Insulation Coordination | |
|---|---|
| Creepage Distance (dCp) | 185.1 mm |
| Clearance (dCI) | 118.5 mm |
| Comparative Tracking Index (CTI) | 600 |
| Overvoltage Category / Pollution Degree | Over voltage category OV · Pollution degree PD2 |
| Environmental & Mechanical Characteristics | |
|---|---|
| Ambient Operating Temperature (TA) | −40 … +70 °C |
| Ambient Storage Temperature (TA st) | −50 … +85 °C |
| Mass (m) | 750 g |
| Case Material | Insulating plastic case recognized according to UL 94-V0. |
| General Tolerance | ±0.5 mm |
| Standards & Certifications | |
|---|---|
| 2) EN 50155: | |
| EN 50121-3-2 | Compliance |
Note: Specifications are taken from the official CV 4-4000/SP2 SORTIE COURANT datasheet. Parameters that could not be confirmed from the datasheet are marked UNVERIFIED.
Official technical documentation for the CV 4-4000/SP2 SORTIE COURANT.
Outline dimensions, pin layout and connection diagrams of the CV 4-4000/SP2 SORTIE COURANT are shown below.
| Outline Dimensions & Mechanical Data | |
|---|---|
| General Tolerance | ±0.5 mm |
| Mass | 750 g |
| 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 CV 4-4000/SP2 SORTIE COURANT.
Characteristic curve diagrams are not included in the CV 4-4000/SP2 SORTIE COURANT datasheet; the relevant characteristics are the accuracy and dynamic performance data listed below.
| Accuracy & Dynamic Characteristics | |
|---|---|
| Total Error (εtot) @ IPN | ±0.40 % |
| Frequency Bandwidth (BW) | of U DC … 6 kHz |
Note: For the full set of performance data, refer to the datasheet.
Other models of the CV4 Series share the same measurement principle, mounting concept and output interface family.
