AK 5 C420L

## **AC Current transducer AK-C420L** 

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

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 C420L** MAY 2006 10, 20, 50 4-20 **AK 50 C420L** MAY 2006 100, 150, 200 4-20 **AK 200 C420L** planned 

## **Features** 

- AC sinusoïdal Measurement 

- Average responding 

- Current output 

- Loop powered transducers 

- Panel mounting 

- Accurate 

- Jumper selectable ranges 

Vc Supply voltage (Loop powered) 24 V DC RL Load resistance see power supply diagram Vb Rated voltage(CAT III, PD2) 150 V AC Vd RMS Isolation voltage test, 50 Hz, 1mn 3 kV AC f Frequency bandwith 20-100 Hz 

## **Advantages** 

- Large aperture 

- High isolation between primary and secondary circuits 

- Easy to mount 

## | **Accuracy - Dynamic performance data** 

## **Applications** 

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 

## **General data** | 

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

• 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** 

- DIN mounting 

060512/6 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-C420L** (unit : mm,  1mm = 0.0394 inch) 

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## **Mechanical characteristics** 

- General tolerance ± 1 mm • Primary aperture 19 mm • Panel mounting 2 holes ∅ 4.5mm Distance between holes 78 mm 

## **Remark** 

- Temperature of the primary conductor should 

- not exceed 60°C. 

## **Connections** 

## **Power Supply diagram** 

- 2 x UNC8 Cylindric Head 

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25<br>20<br>15<br>10<br>5<br>**----- End of picture text -----**<br>


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

060512/6 Page  2/2 

LEM 

www.lem.com