Current Transducer LA 25-NP/SP7

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

2.5

A

I

P

Primary current, measuring range

0 .. ± 3.6

A

R

M

Measuring resistance

R

M min

R

M max

with ± 15 V

@ ± 2.5 A

max

100

320

Ω

@ ± 3.6 A

max

100

190

Ω

I

SN

Secondary nominal r.m.s. current

25

mA

K

N

Conversion ratio

10 : 1000

V

C

Supply voltage (± 5 %)

± 15

V

I

C

Current consumption

10 + I

S

mA

V

d

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

2.5

kV

V

b

600

V

basic isolation

1700

V

Accuracy - Dynamic performance data

X

Typical accuracy @ I

± 0.5

%

ε

L

Linearity

< 0.2

%

Typ

Max

I

O

± 0.05 ± 0.15

mA

I

OM

± 0.05 ± 0.15

mA

I

OT

Thermal drift of I

O

0°C .. + 25°C

± 0.06 ± 0.25

mA

+ 25°C .. + 70°C

± 0.10 ± 0.35

mA

t

r

P max

< 1

µs

f

Frequency bandwidth (- 1 dB)

DC .. 150

kHz

General data

T

A

Ambient operating temperature

0 .. + 70

°C

T

S

Ambient storage temperature

- 25 .. + 85

°C

R

P

Primary coil resistance @ T

< 8.5

m

Ω

R

S

Secondary coil resistance @ T

110

Ω

L

P

Primary insertion inductance

5.5

µ H

R

IS

Isolation resistance @ 500 V, T

> 1500

M

Ω

m

Mass

22

g

EN 50178

Features

turns current transducer using the

Hall effect

according to UL 94-V0.

Special features

2.5 A

P

= 0 .. ± 3.6 A

10 : 1000.

Advantages

interference

Applications

motor drives

(UPS)

(SMPS)

applications.

I

PN

=

2.5 A

990125/2

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