LA25-NP/SP14 LEM [LEM], LA25-NP/SP14 Datasheet

LA25-NP/SP14

Manufacturer Part Number

LA25-NP/SP14

Description

Current Transducer LA 25-NP/SP14

Manufacturer

LEM [LEM]

Datasheet

1.LA25-NPSP14.pdf (2 pages)

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

H&T Electronics

Part Number:

LA25-NP/SP14

Quantity:

2 000

Current page: 1 of 2
Download datasheet (73Kb)

Current Transducer LA 25-NP/SP14

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).

Notes :

LEM Components

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

Offset current

Residual current

Thermal drift of I

Response time

Frequency bandwidth (- 1 dB)

Ambient operating temperature

Ambient storage temperature

Primary coil resistance @ T

Secondary coil resistance @ T

Primary insertion inductance

Isolation resistance @ 500 V, T

Mass

Standards

Pollution class 2

Measurement carried out after 15 mn functionning

The result of the coercive field of the magnetic circuit

With a di/dt of 100 A/µs

A list of corresponding tests is available

with ± 15 V

@ I

@ 90 % of I

@ I

= 0, T

, safe separation

, T

= 0, after an overload of 3 x I

basic isolation

@ ± 0.25 A

@ ± 0.36 A

= 25°C

P max

= 25°C

= 70°C

= 25°C

- 10°C .. + 70°C

max

100

± 0.05 ± 0.15

± 0.10 ± 0.35

0.25

0 .. ± 0.36

100 : 1000

± 15

10 + I

2.5

600

1700

± 0.5

< 0.2

< 1

DC .. 150

- 10 .. + 70

- 25 .. + 85

< 745

110

496

> 1500

EN 50178

Typ

M min

Max

320

190

M max

kHz

µ H

µs

°C

Features

Special features

Advantages

Applications

Closed loop (compensated) multi-

turns 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.

= 0.25 A

= 0 .. ± 0.36 A

= 100 : 1000

= - 10°C .. + 70°C.

0.25 A

w w w .lem.com

990126/2

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LA25-NP/SP14 Summary of contents

Page 1

Current Transducer LA 25-NP/SP14 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 Primary nominal r.m.s. current PN I ...

Page 2

Dimensions LA 25-NP/SP14 Bottom view Back view Mechanical characteristics General tolerance Fastening & connection of primary Fastening & connection of secondary 3 pins Recommended PCB hole LEM reserves the right to carry out modifications on its transducers, in order to ...

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