Datasheet > LF205-S_06

LF205-S_06

更新时间： 2024-09-17 03:50:55

品牌	Logo	应用领域
莱姆 - LEM		传感器
页数	文件大小	规格书
3页	167K
描述
Current Transducer

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数据手册

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LF205-S_06 数据手册

Current Transducer LF 205-S

I_PN= 200 A

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).

16135

Electrical data

I_PN

I_P

R_M

Primary nominal r.m.s. current

Primary current, measuring range

Measuring resistance @

200

0 .. ± 420

T_A= 70°C

R_{M min}R_{M max}R_{M min}R_{M max}

Features

T_A= 85°C

· Closed loop (compensated) current

transducer using the Hall effect

· Insulated plastic case recognized

according to UL 94-V0.

with ± 12 V

with ± 15 V

@ ± 200 A _max

@ ± 420 A _max

@ ± 200 A _max

@ ± 420 A _max

100 23 98

28 23 26

Advantages

I_SN

K_N

V_C

Secondary nominal r.m.s. current

Conversion ratio

Supply voltage (± 5 %)

100

1 : 2000

± 12 .. 15

· Excellent accuracy

· Very good linearity

· Low temperature drift

· Optimized response time

· Wide frequency bandwidth

· No insertion losses

· High immunity to external

interference

I_C

Current consumption @ ± 15 V

17 + I_S

Accuracy - Dynamic performance data

X_G

Overall accuracy @ I_PN, T_A= 25°C

Linearity error

± 0.5

< 0.1

· Current overload capability.

Typ Max

I_O

I_OM

I_OT

Offset current @ I_P= 0, T_A= 25°C

± 0.2 mA

± 0.1 mA

± 0.12 ± 0.4 mA

Applications

Residual current¹⁾@ I_P= 0, after an overload of 3 x I_PN

Thermal drift of I_O

- 40°C .. + 85°C

· 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.

t_ra

t_r

Reaction time @ 10 % of I_PN

Response time ²⁾@ 90 % of I_PN

< 500

< 1

µs

di/dt di/dt accurately followed

> 100

DC .. 100

A/µs

kHz

Frequency bandwidth (- 3 dB)

General data

T_A

T_S

R_S

Ambient operating temperature

Ambient storage temperature

Secondary coil resistance @ T_A= 70°C

- 40 .. + 85

- 40 .. + 90

°C

@ T_A= 85°C

Application domain

Mass

Standards

EN 50178 : 1997

· Industry.

Notes : The result of the coercive field of the magnetic circuit

With a di/dt of 100 A/µs.

060522/11

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

Page1/3

LEM

www.lem.com

12 3

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