Authorized Distributor
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AC Current Transducer
| Supply Voltage | (loop powered) +12 … 24 V DC |
| Isolation Test Voltage | 4.13 kV |
| Supply Output voltage current (loop limitation powered) 2) +12 … (UI) | 24 < 25 V DC mA |
| Output current limitation (I) | < 25 mA |
| Frequency Bandwidth (BW) | 30 … 2000 Hz |
| Response time to 90 % of I step (t) | < 150 ms |
Automation systems Analog current reading for remote systems monitoring (e.g. motor) and Analog current reading for remote sotware alarms. monitoring (e.g. motor) and, Panel meters software alarms. Simple connection to power meters consumption displays. Simple connection to power
The AP 400 B420L is a None current transducer from LEM delivering a output current limitation (i) of < 25 mA.
Typical applications include Automation systems Analog current reading for remote systems monitoring (e.g. motor) and Analog current reading for remote sotware alarms. monitoring (e.g. motor) and and Panel meters software alarms. Simple connection to power meters consumption displays. Simple connection to power.
Key characteristics from the official datasheet: total error < ± 1 % of I; frequency bandwidth 30 … 2000 Hz.
| General Information | |
|---|---|
| Manufacturer | LEM |
| Product Series | AP |
| Product Reference | AP 400 B420L |
| Supply Voltage | (loop powered) +12 … 24 V DC |
| Measurement | — |
| Mounting | Panel Mount |
| Application Domain | Energies, Automation. domain and Automation |
| Electrical Data — AP 400 B420L | |
|---|---|
| Supply Voltage (UC) | (loop powered) +12 … 24 V DC |
| Supply voltage (loop powered) (V) | + 12 .. 24 V |
| Supply Output voltage current (loop limitation powered) 2) +12 … (UI) | 24 < 25 V DC mA |
| Output current limitation (I) | < 25 mA |
| Accuracy & Dynamic Performance | |
|---|---|
| Total Error (εtot) @ IPN | < ± 1 % of I |
| Frequency Bandwidth (BW) | 30 … 2000 Hz |
| Response time to 90 % of I step (t) | < 150 ms |
| BW Frequency bandwidth (± 1 %) | 30 .. 2000 Hz |
| BW Frequency bandwidth (±1 %) 30 … | 2000 Hz |
| Insulation Coordination | |
|---|---|
| RMS Voltage for AC Insulation Test (50 Hz, 1 min) Ud | 4.13 kV |
| Impulse Withstand Voltage (1.2/50 µs) UNi | 6.1 kV |
| Creepage Distance (dCp) | 5.5 mm |
| Comparative Tracking Index (CTI) | 600 |
| Overvoltage Category / Pollution Degree | Over voltage category CAT · Pollution degree PD2 |
| Rated insulation RMS voltage (U) | 300 V |
| RMS voltage for AC insulation test 3) 50 Hz (U) | 1 min 4.13 kV |
| Partial discharge test voltage (q < 10 pC) (U) | 1.5 kV |
| Impulse withstand voltage 1.2/50 (U) | µs 6.1 kV |
| Creepage distance (d) | 5.5 mm |
| Clearance4) (d) | 5.5 mm |
| Comparative tracking index (Group I) | 600 |
| Route du Nant-d’Avril | 152 |
| Environmental & Mechanical Characteristics | |
|---|---|
| Case Material | Insulating plastic case recognized according to UL 94-V0. |
| Ambient operating temperature −20 … (T) | +60 °C |
| Ambient storage temperature −20 … (T) | +85 °C |
| RH Relative Humidity (non-condensing) | ≤ 85 % |
| Altitude above sea level (indoor use only) | 2000 m |
| Mass (m) | 90 g |
| IPxx Protection degree IP | 20 |
Note: Specifications are taken from the official AP 400 B420L datasheet. Parameters that could not be confirmed from the datasheet are marked UNVERIFIED.
Official technical documentation for the AP 400 B420L.
Outline dimensions, pin layout and connection diagrams of the AP 400 B420L are shown below.
| Outline Dimensions & Mechanical Data | |
|---|---|
| Case Material | Insulating plastic case recognized according to UL 94-V0. |
| IPxx Protection degree IP | 20 |
Note: All dimensions are in millimetres. Refer to the official datasheet for the complete dimension drawing.
Typical applications of the AP 400 B420L.
Characteristic curve diagrams are not included in the AP 400 B420L datasheet; the relevant characteristics are the accuracy and dynamic performance data listed below.
| Accuracy & Dynamic Characteristics | |
|---|---|
| Total Error (εtot) @ IPN | < ± 1 % of I |
| Frequency Bandwidth (BW) | 30 … 2000 Hz |
| Response time to 90 % of I step (t) | < 150 ms |
| BW Frequency bandwidth (± 1 %) | 30 .. 2000 Hz |
| BW Frequency bandwidth (±1 %) 30 … | 2000 Hz |
Note: For the full set of performance data, refer to the datasheet.
Other models of the AP Series share the same measurement principle, mounting concept and output interface family.
