# Current Transducer, AC, AK Series, Split Core, 50A, 1 %, 4-20 mA Output, 24 Vdc

![Product image](https://novapart.co/image/farnell:2146872/)

**URL**: https://novapart.co/products/AK%2050%20B420L/current-transducer-ac-ak-series-split-core-50a-1-4
**SKU**: AK 50 B420L
**Manufacturer**: LEM
**Category**: Sensors & Transducers || Sensors || Current Sensors
**Price**: €344.1800
**Stock**: 10+
**Lead Time**: 57 days (indicative)

## Description

Sensor Output:Current; Supply Voltage DC Min:24V; Supply Voltage DC Max:-; Current Measuring Range DC:-; Current Measuring Range AC:-; Response Time:-; Accuracy %:1%; Product Range

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (25-Jun-2025) |
| Accuracy % | 1% |
| Product Range | AK Series |
| Sensor Output Type | Current |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:2146872/)

## **AC Current transducer AK-B420L** 

## **I = 2 .. 200A PN** 

A Split Core transducer for the electronic measurement AC sinusoidal waveforms current, with galvanic isolation between the primary (High power) and the secondary circuits (Electronic circuit). Jumper selectable ranges and 4-20mA current output. 

## **Electrical data** 

Primary Nominal Current Analogue Output Signal[1)] Type RoHS IPN (A.t.RMS) IOUT (mA) Date Code 2,5 4-20 **AK 5   B420L** JULY 2006 10,20,50 4-20 **AK 50 B420L** MAY 2006 100,150,200 4-20 **AK 200 B420L** planned Vc Supply voltage (Loop powered) 24 V DC RL Load resistance see power supply diagram **V** b Rated voltage (CAT III, PD2) 150 VAC Vd RMS Isolation voltage test, 50 Hz, 1mn 3 kV AC f Frequency bandwith 20-100 Hz 

## **Features** 

- AC sinusoïdal measurement 

- Average responding 

- Split core box 

- Current output 

- Loop powered transducers 

- Panel mounting 

- Jumper selectable ranges 

## **Advantages** 

- Large aperture 

- High isolation between primary and secondary circuits 

- Easy to mount 

## **Accuracy - Dynamic performance data** 

X Accuracy @ IPN, TA=25°C ± 1 % tr Response time @ 90% of IPN < 300 mS **General data** TA Ambient operating temperature (0-95% RH) -20..+50 °C TS Ambient storage temperature -20..+85 °C m Mass 120 g Safety IEC 61010-1 EMC EN 61326 

## **Applications** 

- Automation systems Analog current reading for remote monitoring (e.g. motor). 

- Data loggers Self-powered transducer does not drain data logger batteries. 

- Panel meters Simple connection displays power consumption. 

## **Options on request** 

- Note : 1)  For 4-20mA output model, no saturation output up to 25mA. 

- DIN mounting 

060816/7 Page 1/2 

LEM  reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice. 

LEM 

www.lem.com 

## **Dimensions AK-B420L** (unit : mm,  1mm = 0.0394 inch) 

## **Mechanical characteristics** 

## **Power Supply diagram** 

- General tolerance ± 1 mm • Primary aperture 21.7 mm sq. • Panel mounting 2 holes ∅ 4.5mm BS 25 J (=) 

- Distance between holes 77.3 mm = 20 aan : 15 cc 10 | S 

- **Connections** Ss 5 

- 2 x UNC8 Cylindric Head 

## **Remark** 

- Temperature of the primary conductor should not exceed 60°C. 

LEM  reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice. 

060816/7 

Page  2/2 

LEM 

www.lem.com 



## Links

- [View this product on Novapart](https://novapart.co/products/AK%2050%20B420L/current-transducer-ac-ak-series-split-core-50a-1-4)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/lem/ak-50-b420l/current-transducer-50a-ac-4-20ma/dp/2146872)
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