060504/14

LEM

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

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Current Transducer LAS 50-TP

For the electronic measurement of currents : DC, AC, pulsed, mixed,

with a galvanic isolation between the primary circuit (high power)

and the secondary circuit (electronic circuit).

Electrical data

I

PN

Primary nominal r.m.s. current

50

A

I

P

Primary current, measuring range

0 .. ± 150

A

V

OUT

Analog output voltage @

I

P

V

REF

±

(0.625

I

V

V

R

L

Output load resistance

≥ 2

k

Ω

R

OUT

Output internal resistance

< 20

Ω

V

REF

Internal reference voltage

2.5 ± 0.025

V

V

≥ 1

M

Ω

V

200

Ω

V

2.0 .. 2.8

V

C

L

Max. output capacitive load

1

nF

V

C

Supply voltage (± 5 %)

5

V

I

C

Current consumption @ V

typ

18

mA

Accuracy - Dynamic performance data

X

< ± 1

%

ε

L

Linearity error 0 .. I

PN

2)

< 0.7

%

Typ

Max

TCV

- 40°C.. + 85°C

80

120

ppm/K

TCV

- 40°C.. + 85°C

50

80

ppm/K

TC

ε

G

Thermal drift of the gain

- 10°C.. + 85°C

150 300

ppm/K

- 40°C.. - 10°C

400 700

ppm/K

V

OM

Residual voltage @ I

mV

t

ra

Reaction time @ 10 % of I

PN

< 200

ns

t

r

Response time @ 90 % of I

PN

< 500

ns

di/dt

di/dt accurately followed

> 100

A/µs

Output noise without external filter

< 10

mVpp

f

Frequency bandwidth (- 1 dB)

DC .. 100

kHz

General data

T

A

Ambient operating temperature

- 40 .. + 85

°C

T

S

Ambient storage temperature

- 40 .. + 100

°C

m

Mass

20

g

Standards

EN 50178 : 1997

All Data are given with a R

I

PN

= 50 A

Features

Eta-technology

according to UL 94-V0

Advantages

interference

Applications

motor drives

applications.

Application domain

Copyright protected.

16069