LF505-S Ver la hoja de datos (PDF) - LEM Industrial

Número de pieza

componentes Descripción

Lista de partido

LF505-S

Current Transducer

LEM Industrial 

Current Transducer LF 505-S

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).

IPN = 500 A

Electrical data

16137

IPN Primary nominal rms current

IP

Primary current, measuring range

RM Measuring resistance

with ± 15 V

with ± 18 V

with ± 24 V

@ ± 500 A max

@ ± 800 A max

@ ± 500 A max

@ ± 800 A max

@ ± 500 A max

@ ± 800 A max

ISN Secondary nominal rms current

K N Conversion ratio

VC Supply voltage (± 5 %)

IC

Current consumption

Accuracy - Dynamic performance data

εX G

L

Overall accuracy @ IPN , TA = 25°C

Linearity error

IO

IOT

tr

di/dt

f

Offset current @ IP = 0, TA = 25°C

Thermal drift of IO

- 40°C .. + 70°C

Response time 1) @ 90 % of IPN

di/dt accurately followed

Frequency bandwidth (- 1 dB)

General data

TA

Ambient operating temperature

TS Ambient storage temperature

R S Secondary coil resistance @

m Mass

Standards

TA = 70°C

500

A

0 .. ± 800

A

RM min

RM max

0

60

Ω

0

11

Ω

0

92

Ω

0

30

Ω

5

149 Ω

5

65

Ω

100

mA

1 : 5000

± 15 .. 24

V

24 (@ ± 18V)+ IS mA

± 0.6

%

< 0.1

%

Typ Max

± 0.4 mA

± 0.1 ± 0.4 mA

<1

> 100

DC .. 100

µs

A/µs

kHz

- 40 .. + 70

°C

- 40 .. + 85

°C

70

Ω

230

g

EN 50155 : 1995

EN 50178 : 1997

Features

• Closed loop (compensated) current

transducer using the Hall effect

• Insulated plastic case recognized

according to UL 94-V0.

Advantages

• 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.

Applications

• 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.

Applications domain

• Traction

• Industrial.

Note : 1) With a di/dt of 100 A/µs.

060922/9

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

page 1/3

www.lem.com

Share Link: