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AC Current transducer
| Operating Temperature Range | −25 … +70 °C |
| Isolation Test Voltage | 3.5 kV |
| RMS Voltage for AC Insulation Test (50 Hz, 1 min) Ud | 3.5 kV |
| Impulse Withstand Voltage (1.2/50 µs) UNi | 6.5 kV |
| Creepage Distance (dCp) | 6 mm |
| Clearance (dCI) | 6 mm |
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The TT 50-SD is a None current transducer from LEM.
Typical applications include 8 mm sensing aperture for non- contact measurement ntCaacbt lem oeuatspuurte (m1 emn)t bIlnes uoluattpinugt (p1lams)tic case recognized rpdliansgt itco cUaLs e9 4r-eVc0o.gnized Acc do vrd ain ng ato U eL 94-V0. shift ghH iagchc iunrsauclya taionnd b leotww epehna speri mshairfyt, Compact case circuits, Cost-effective solution case and Easy installation. solution.
Key characteristics from the official datasheet: total error ±1 %; operating temperature −25 … +70 °C.
| General Information | |
|---|---|
| Manufacturer | LEM |
| Product Series | TT |
| Product Reference | TT 50-SD |
| Measurement | — |
| Mounting | — |
| Application Domain | i sEtrnibeurgteyd measurement systems, Automation. domain and Automation |
| Accuracy & Dynamic Performance | |
|---|---|
| Total Error (εtot) @ IPN | ±1 % |
| Insulation Coordination | |
|---|---|
| RMS Voltage for AC Insulation Test (50 Hz, 1 min) Ud | 3.5 kV |
| Impulse Withstand Voltage (1.2/50 µs) UNi | 6.5 kV |
| Creepage Distance (dCp) | 6 mm |
| Clearance (dCI) | 6 mm |
| Comparative Tracking Index (CTI) | 600 |
| Overvoltage Category / Pollution Degree | Over voltage category OV · Pollution degree PD2 |
| Environmental & Mechanical Characteristics | |
|---|---|
| Ambient Operating Temperature (TA) | −25 … +70 °C |
| Mass (m) | 80 g |
| Ambient operating temperature −25 … (T) | +70 °C |
| Ambient operating temperature (T) | - 25 .. + 70 °C |
| RSH Relative humidity (non-condensing) | ≤ 85 % |
| Altitude above sea level | 2000 m |
| Rms voltage for AC isolation test 2), 50Hz (V) | 1min 3.5 kV |
| Impulse withstand voltage 1.2/50ms (V) | 6.5 kV |
| CTI Comparative tracking index (Group I) | 600 |
Note: Specifications are taken from the official TT 50-SD datasheet. Parameters that could not be confirmed from the datasheet are marked UNVERIFIED.
Official technical documentation for the TT 50-SD.
Outline dimensions, pin layout and connection diagrams of the TT 50-SD are shown below.
| Outline Dimensions & Mechanical Data | |
|---|---|
| Mass | 80 g |
Note: All dimensions are in millimetres. Refer to the official datasheet for the complete dimension drawing.
Typical applications of the TT 50-SD.
The characteristic curves of the TT 50-SD from the official datasheet are shown below.
| Accuracy & Dynamic Characteristics | |
|---|---|
| Total Error (εtot) @ IPN | ±1 % |
Note: Refer to the datasheet for the complete set of characteristic curves.
Other models of the TT Series share the same measurement principle, mounting concept and output interface family.
