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AC Current Transducer
| Supply Voltage | (loop-powered) +15.2 … 30 V DC |
| Operating Temperature Range | −20 … +60 °C A |
| Isolation Test Voltage | 3.5 kV |
| RMS Voltage for AC Insulation Test (50 Hz, 1 min) Ud | 3.5 kV |
| Creepage Distance (dCp) | 6 mm |
| Clearance (dCI) | 6 mm |
Cost-effective solution, Easy installation, • Automation Easy installation and Supervision Applications Current measurement for process Applications regulation by distributed PLCs or, ● AAuuttoommaattiioonn remote control (e.g. aanndd SCADA SSuuppeervrvisisioionn CCuurrrreenntt software) mmeeaassuurreemmeennt tf ofor rp prorocecsess s rreegguullaattiioonn bbyy ddiissttrribibuutetedd PLLCCs s Load monitoring for protection oorr rreemmoottee ccoonnttrrooll ((ee.g.g. .S SCCAADDAA systems and predictive ssooffttwwaarree)) maintenance (e.g. conveyers,, ● SSaaffeettyy aanndd CCoonnddiittiioonn pumps or HVAC motors) MMoonniittoorriinngg Load monitoring for protection Load monitoring for protection Convenient connection to power systems and predictive systems consumption and sub-meters predictive pumps or HVAC motors) Application pumps or HVAC domain motors), Energy management, Energy management Convenient connection to power Convenient connection to power consumption sub-meters consumption sub-meters.
The AT 5 B420L is a None current transducer from LEM.
Typical applications include Cost-effective solution, Easy installation, • Automation Easy installation and Supervision Applications Current measurement for process Applications regulation by distributed PLCs or and ● AAuuttoommaattiioonn remote control (e.g. aanndd SCADA SSuuppeervrvisisioionn CCuurrrreenntt software) mmeeaassuurreemmeennt tf ofor rp prorocecsess s rreegguullaattiioonn bbyy ddiissttrribibuutetedd PLLCCs s Load monitoring for protection oorr rreemmoottee ccoonnttrrooll ((ee.g.g. .S SCCAADDAA systems and predictive ssooffttwwaarree)) maintenance (e.g. conveyers.
Key characteristics from the official datasheet: operating temperature −20 … +60 °C A.
| General Information | |
|---|---|
| Manufacturer | LEM |
| Product Series | AT |
| Product Reference | AT 5 B420L |
| Supply Voltage | (loop-powered) +15.2 … 30 V DC |
| Measurement | — |
| Mounting | — |
| Application Domain | without prior notice |
| Electrical Data — AT 5 B420L | |
|---|---|
| Supply Voltage (UC) | (loop-powered) +15.2 … 30 V DC |
| Insulation Coordination | |
|---|---|
| RMS Voltage for AC Insulation Test (50 Hz, 1 min) Ud | 3.5 kV |
| Creepage Distance (dCp) | 6 mm |
| Clearance (dCI) | 6 mm |
| Comparative Tracking Index (CTI) | 600 |
| Overvoltage Category / Pollution Degree | Over voltage category CAT · Pollution degree PD2 |
| Environmental & Mechanical Characteristics | |
|---|---|
| Ambient Operating Temperature (TA) | −20 … +60 °C A |
| Ambient Storage Temperature (TA st) | - 20 .. + 85 ° |
| Mass (m) | 90 g |
Note: Specifications are taken from the official AT 5 B420L datasheet. Parameters that could not be confirmed from the datasheet are marked UNVERIFIED.
Official technical documentation for the AT 5 B420L.
Outline dimensions, pin layout and connection diagrams of the AT 5 B420L are shown below.
| Outline Dimensions & Mechanical Data | |
|---|---|
| Mass | 90 g |
Note: All dimensions are in millimetres. Refer to the official datasheet for the complete dimension drawing.
Typical applications of the AT 5 B420L.
Characteristic curve diagrams are not included in the AT 5 B420L datasheet; the relevant characteristics are the accuracy and dynamic performance data listed below.
Note: For the full set of performance data, refer to the datasheet.
Other models of the AT Series share the same measurement principle, mounting concept and output interface family.
