Current Transducer LB 500-S/SP1

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

500

A

I

P

Primary current, measuring range

0 .. ± 750

A

R

M

Measuring resistance

R

M min

R

M max

with ± 15 V

@ ± 500 A

max

5

33

Ω

@ ± 750 A

max

5

15

Ω

I

SN

Secondary nominal r.m.s. current

200

mA

K

N

Conversion ratio

1 : 2500

V

C

Supply voltage (± 5 %)

± 15

V

I

C

Current consumption

S

mA

V

d

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

kV

Accuracy - Dynamic performance data

X

Accuracy @ I

± 0.5

%

ε

L

Linearity

< 0.1

%

Typ

Max

I

O

Offset current @ I

± 0.500 mA

I

OT

Thermal drift of I

O

+ 10°C .. + 50°C

± 0.064 mA

t

r

PN

< 1

µs

di/dt

di/dt accurately followed

> 50

A/µs

f

Frequency bandwidth (- 1 dB)

DC .. 150

kHz

Zero crossing distortion

negligeable

General data

T

A

Ambient operating temperature

+ 10 .. + 50

°C

T

S

Ambient storage temperature

- 25 .. + 85

°C

R

S

Secondary coil resistance @ T

30

Ω

m

Mass

670

g

Standards

EN 50178

2)

With a di/dt of 100 A/µs

Features

transducer using the Hall effect

according to UL 94-V0.

Special features

± 15 (± 5 %) V

1 : 2500

temperature

+ 10°C .. + 50°C

secondary connected to V

Advantages

interference

Applications

motor drives

(UPS)

(SMPS)

applications

I

PN

= 500 A

990803/2

LEM Components

www.lem.com

Preliminary