LF205-P LEM [LEM], LF205-P Datasheet

LF205-P

Manufacturer Part Number

LF205-P

Description

Current Transducer LF 205-P

Manufacturer

LEM [LEM]

Datasheet

1.LF205-P.pdf (2 pages)

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Current Transducer LF 205-P

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).

di/dt

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 @ ± 15V

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

Overall accuracy @ I

Linearity

Offset current @ I

Residual current

Thermal drift of I

Reaction time @ 10 % of I

Response time

di/dt accurately followed

Frequency bandwidth (- 3 dB)

Ambient operating temperature

Ambient storage temperature

Secondary coil resistance @ T

Mass

Standards

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 ± 12 V

with ± 15 V

@ 90 % of I

@ I

= 0, T

, T

= 0, after an overload of 3 x I

= 25°C

P max

@ ± 200 A

@ ± 420 A

@ ± 200 A

@ ± 420 A

= 25°C

@ T

P max

= 70°C

= 85°C

- 40°C .. + 85°C

max

M min

= 70°C

100

M max

± 0.12 ± 0.4

200

0 .. ± 420

100

1 : 2000

± 12 .. 15

3.5

± 0.5

< 0.1

< 500

< 1

> 100

DC .. 100

- 40 .. + 85

- 40 .. + 90

EN 50178

17 + I

Typ

M min

Max

± 0.2

± 0.1

= 85°C

M max

A/µs

kHz

m A

k V

µs

°C

Features

Advantages

Applications

Closed loop (compensated) 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.

200 A

w w w.lem.com

011120/2

Related parts for LF205-P

LF205-P Summary of contents

Page 1

Current Transducer LF 205-P 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 Primary nominal r.m.s. current PN I Primary ...

Page 2

Dimensions LF 205-P (in mm 0.0394 inch) Bottom view Front view Top view Mechanical characteristics General tolerance Fastening & secondary connection Recommanded PCB hole Primary through-hole Supplementary fastening Recommended PCB hole Recommended screws LEM code LEM reserves ...

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