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Current Transducer LF 505-S

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 rms current

500

A

I

P

Primary current, measuring range

0 .. ± 800

A

R

M

Measuring resistance

R

M min

R

M max

with ± 15 V

@ ± 500 A

max

0

60

Ω

@ ± 800 A

max

0

11

Ω

with ± 18 V

@ ± 500 A

max

0

92

Ω

@ ± 800 A

max

0

30

Ω

with ± 24 V

@ ± 500 A

max

5

149

Ω

@ ± 800 A

max

5

65

Ω

I

SN

Secondary nominal rms current

100

mA

K

N

Conversion ratio

1 : 5000

V

C

Supply voltage (± 5 %)

± 15 .. 24

V

I

C

Current consumption

S

mA

Accuracy - Dynamic performance data

X

G

Overall accuracy @ I

± 0.6

%

ε

L

Linearity error

< 0.1

%

Typ

Max

I

O

Offset current @ I

± 0.4

mA

I

OT

Thermal drift of I

O

- 40°C .. + 70°C

± 0.1

± 0.4

mA

t

r

PN

< 1

µs

di/dt

di/dt accurately followed

> 100

A/µs

f

Frequency bandwidth (- 1 dB)

DC .. 100

kHz

General data

T

A

Ambient operating temperature

- 40 .. + 70

°C

T

S

Ambient storage temperature

- 40 .. + 85

°C

R

S

Secondary coil resistance @

T

70

Ω

m

Mass

230

g

Standards

EN 50155 : 1995

EN 50178 : 1997

Note :

Features

transducer using the Hall effect

according to UL 94-V0.

Advantages

interference

Applications

motor drives

(SMPS)

applications.

I

PN

=

500 A

Applications domain

16137