LA25-NP_06 LEM [LEM], LA25-NP_06 Datasheet

LA25-NP_06

Manufacturer Part Number

LA25-NP_06

Description

Current Transducer

Manufacturer

LEM [LEM]

Datasheet

1.LA25-NP_06.pdf (2 pages)

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Current Transducer LA 25-NP

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).

di/dt

Notes :

LEM

Electrical data

Accuracy - Dynamic performance data

General data

Primary nominal r.m.s. current

Primary current, measuring range

Measuring resistance @

Secondary nominal r.m.s. current

Conversion ratio

Supply voltage (± 5 %)

Current consumption

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

R.m.s. rated voltage

Typical accuracy @ I

Linearity error

Offset current

Residual current

Thermal drift of I

Response time

di/dt accurately followed

Frequency bandwidth (- 1 dB)

Ambient operating temperature

Ambient storage temperature

Primary resistance per turn

Secondary coil resistance

Isolation resistance @ 500 V, T

Mass

Standards

Pollution class 2

Measurement carried out after 15 mn functioning

The result of the coercive field of the magnetic circuit

With a di/dt of 100 A/µs.

with ± 15 V

@ I

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

@ 90 % of I

@ I

= 0, T

, safe separation

= 0, after an overload of 3 x I

, T

basic isolation

16080

@ ± 25 At

@ ± 36 At

= 25°C

@ T

= 25°C

+ 25°C .. + 70°C

- 25°C .. + 85°C

- 40°C .. + 85°C

max

0°C .. + 25°C

= 25°C

= 70°C

= 85°C

100 320

100 190

M min

= 70°C

M max

± 0.05 ± 0.15

± 0.06 ± 0.25

± 0.10 ± 0.35

0 .. ± 36

1-2-3-4-5 : 1000

± 15

10 + I

2.5

600

1700

± 0.5

< 0.2

< 1

> 50

DC .. 150

- 40 .. + 85

- 45 .. + 90

< 1.25

110

115

> 1500

EN 50178 : 1997

Typ

100 315

100 185

M min

± 0.5

± 1.2

Max

= 85°C

M max

A/µs

kHz

µs

°C

Features

Advantages

Applications

Closed loop (compensated) multi-

range current transducer using the

Hall effect

Insulated plastic case recognized

according to UL 94-V0.

Excellent accuracy

Very good linearity

Low temperature drift

Optimized response time

Wide frequency bandwidth

No insertion losses

High immunity to external

interference

Current overload capability.

AC variable speed drives and servo

motor drives

Static converters for DC motor drives

Battery supplied applications

Uninterruptible Power Supplies

(UPS)

Switched Mode Power Supplies

(SMPS)

Power supplies for welding

applications.

= 5-6-8-12-25 A

w w w .lem.com

060327/13

Page 1/2

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LA25-NP_06 Summary of contents

Page 1

Current Transducer LA 25-NP 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). 16080 Electrical data I Primary nominal r.m.s. current PN ...

Page 2

Dimensions LA 25-NP (in mm 0.0394 inch) Bottom view Back view ...

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