Current Transducer LB 200-S/SP4

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

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

200

A

I

P

Primary current, measuring range

0 .. ± 300

A

R

M

Measuring resistance

R

M min

R

M max

with ± 15 V

@ ± 200 A

max

5

33

Ω

@ ± 300 A

max

5

15

Ω

I

SN

Secondary nominal r.m.s. current

200

mA

K

N

Conversion ratio

1 : 1000

V

C

Supply voltage (± 5 %)

± 15

V

I

C

Current consumption

20 + I

S

mA

V

d

R.m.s. voltage for AC isolation test, 50 Hz, 1 mn

kV

kV

Accuracy - Dynamic performance data

X

G

Overall accuracy @ I

± 0.5

%

ε

L

Linearity

< 0.1

%

Typ

Max

I

O

Offset current @ I

± 0.50 mA

I

OT

Thermal drift of I

O

+ 20°C .. + 50°C

± 0.08 mA

t

r

PN

< 1

µs

di/dt

di/dt accurately followed

> 50

A/µs

f

Frequency bandwidth (- 1 dB)

DC .. 150

kHz

Output noise

< 0.002

mA

Magnetization after excursion @ ± I

PN

< 0.01

mA

Crossing distortion

negligeable

Matching specification

+ 20°C .. + 50°C

≤ 0.01

mA

General data

T

A

Ambient operating temperature

+ 20 .. + 50

°C

T

S

Ambient storage temperature

- 25 .. + 85

°C

R

S

Secondary coil resistance @ T

30

Ω

m

Mass

200

g

EN 50178

2)

Between secondary and shield.

3)

With a di/dt of 100 A/µs

4)

A list of corresponding tests is available.

Features

transducer using the Hall effect

according to UL 94-V0.

Special features

OT

thermal drift to within T

Advantages

interference

Applications

motor drives

(UPS)

(SMPS)

applications.

I

PN

= 200 A

990716/7

LEM Components

www.lem.com