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AK-B420L

AC Current transducer

LEM Industrial 

AC Current transducer AK-B420L

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.

IPN = 2 .. 200A

Electrical data

Primary Nominal Current

I (A.t.RMS)

PN

Analogue Output Signal1)

I (mA)

OUT

Type

RoHS

Date Code

2,5

10,20,50

100,150,200

4-20

4-20

4-20

AK 5 B420L

AK 50 B420L

AK 200 B420L

JULY 2006

MAY 2006

planned

Vc Supply voltage (Loop powered)

24

R Load resistance

L

see power supply diagram

Vb Rated voltage (CAT III, PD2)

150

Vd RMS Isolation voltage test, 50 Hz, 1mn

3

f

Frequency bandwith

20-100

V DC

VAC

kV AC

Hz

Accuracy - Dynamic performance data

X

Accuracy @ IPN, TA=25°C

t

Response time @ 90% of I

r

PN

±1

%

< 300

mS

General data

T

Ambient operating temperature (0-95% RH)

-20..+50

°C

A

T

Ambient storage temperature

S

-20..+85

°C

m Mass

120

g

Safety

IEC 61010-1

EMC

EN 61326

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

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

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

• DIN mounting

LEM

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

060816/7

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www .lem.com

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