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Closed loop (compensated)
| Primary Current, Measuring Range | 6000 A |
| Supply Voltage | ±22.8 ... ±25.2 V |
| Operating Temperature Range | −25 ... 70 °C |
| Isolation Test Voltage | 6 kV |
| Primary Nominal RMS Current (IPN) | 4000 A |
| Current Consumption (IC) | 25 ... 29 mA |
IEC 61010-1: 2016, EN 61326-1: 2012. Application Domain, Industrial.
The LT 4000-T is a closed loop (compensated) current transducer from LEM for the electronic measurement of current: DC, AC, pulsed..., with galvanic isolation.
It offers excellent accuracy, very good linearity, low temperature drift and wide frequency bandwidth. Typical applications include IEC 61010-1: 2016, EN 61326-1: 2012. Application Domain and Industrial. Page 1/8 LEM International SA modifications on its transducers, Route du Nant-d’Avril, 152 notice 1217 Meyrin www.lem.com.
Key characteristics from the official datasheet: linearity error 0.2 % of IPN; operating temperature −25 ... 70 °C.
| General Information | |
|---|---|
| Manufacturer | LEM |
| Product Series | LT |
| Product Reference | LT 4000-T |
| Primary Nominal Current | 4000 A |
| Supply Voltage | ±22.8 ... ±25.2 V |
| Measurement | current: DC, AC, pulsed... |
| Mounting | Panel Mount |
| Application Domain | Industrial |
| Electrical Data — LT 4000-T | |
|---|---|
| Primary Nominal RMS Current (IPN) | 4000 A |
| Primary Current, Measuring Range (IPM) | 6000 A |
| Supply Voltage (UC) | ±22.8 ... ±25.2 V |
| Current Consumption (IC) | 25 ... 29 mA |
| Accuracy & Dynamic Performance | |
|---|---|
| Linearity Error (εL) | 0.2 % of IPN |
| Response Time to 90 % of IPN Step | 1 µs |
| Insulation Coordination | |
|---|---|
| RMS Voltage for AC Insulation Test (50 Hz, 1 min) Ud | 6 kV |
| Impulse Withstand Voltage (1.2/50 µs) UNi | 17.7 kV |
| Creepage Distance (dCp) | 116.8 mm |
| Clearance (dCI) | 116.8 mm |
| Comparative Tracking Index (CTI) | 600 |
| Environmental & Mechanical Characteristics | |
|---|---|
| Ambient Operating Temperature (TA) | −25 ... 70 °C |
| Ambient Storage Temperature (TA st) | −40 ... 85 °C |
| Mass (m) | 13000 g |
| Standards & Certifications | |
|---|---|
| IEC 61010-1 | Compliance |
| EN 61326-1 | 2012. |
Note: Specifications are taken from the official LT 4000-T datasheet. Parameters that could not be confirmed from the datasheet are marked UNVERIFIED.
Official technical documentation for the LT 4000-T.
Outline dimensions, pin layout and connection diagrams of the LT 4000-T are shown below.
| Outline Dimensions & Mechanical Data | |
|---|---|
| Mass | 13000 g |
Note: All dimensions are in millimetres. Refer to the official datasheet for the complete dimension drawing.
Typical applications of the LT 4000-T.
The characteristic curves of the LT 4000-T from the official datasheet are shown below.
| Accuracy & Dynamic Characteristics | |
|---|---|
| Linearity Error (εL) | 0.2 % of IPN |
| Response Time to 90 % of IPN Step | 1 µs |
Note: Refer to the datasheet for the complete set of characteristic curves.
Other models of the LT Series share the same measurement principle, mounting concept and output interface family.
