Datasheet > LA125-P_06

LA125-P_06

更新时间： 2024-11-04 03:50:11

品牌	Logo	应用领域
莱姆 - LEM		传感器
页数	文件大小	规格书
2页	66K
描述
Current Transducer

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中文翻译

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LA125-P_06 数据手册

Current Transducer LA 125-P

I_PN= 125 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).

16030

Electrical data

Features

I_PN

I_P

R_M

Primary nominal r.m.s. current

Primary current, measuring range

Measuring resistance @

125

0 .. ± 200

T_A= 70°C

R_{M min}R_MmaxR_{M min}R_Mmax

· Closed loop (compensated) current

transducer using the Hall effect

· Printed circuit board mounting

· Insulated plastic case recognized

according to UL 94-V0.

T_A= 85°C

with ± 12 V

with ± 15 V

@ ± 125 A _max

25 74

25 34

14 50

14 18

40 72

40¹⁾40¹⁾

@ ± 200 A _max

@ ± 125 A _max

@ ± 200 A _max

Advantages

I_SN

K_N

V_C

I_C

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

125

1 : 1000

± 12 .. 15

16(@ ±15 V)+I_SmA

· Excellentaccuracy

· Very good linearity

· Low temperature drift

· Optimized response time

· Wide frequency bandwidth

· No insertion losses

· High immunity to external

interference

V_d

Accuracy - Dynamic performance data

Accuracy @ I_PN, T_A= 25°C

@ ± 15 V (± 5 %)

± 0.60

± 0.80

< 0.15

@ ± 12 .. 15 V (± 5 %)

Linearity error

· Current overload capability.

Typ Max

Applications

I_O

I_OM

I_OT

Offset current @ I_P= 0, T_A= 25°C

± 0.40 mA

± 0.50 mA

± 0.15 ± 0.50 mA

± 0.30 ± 0.95 mA

Residual current²⁾@ I_P= 0, after an overload of 3 xI_PN

· AC variable speed drives and servo

motor drives

Thermal drift of I_O

0°C .. + 70°C

- 40°C .. + 85°C

· Static converters for DC motor drives

· Battery supplied applications

· Uninterruptible Power Supplies

(UPS)

· Switched Mode Power Supplies

(SMPS)

t_ra

t_r

Reaction time @ 10 % of I_PN

< 500

< 1

> 200

DC .. 100

µs

A/µs

kHz

Response time ^{3) 4)}@ 90 % of I_PN

di/dt di/dt accurately followed⁴⁾

Frequency bandwidth⁴⁾(- 1 dB)

General data

· Power supplies for welding

applications.

T_A

T_S

R_S

Ambient operating temperature

Ambient storage temperature

Secondary coil resistance @

- 40 .. + 85

- 40 .. + 90

33.5

°C

T_A= 70°C

T_A= 85°C

Mass

Standards

EN 50178 : 1997

Notes : Measuring range limited to ± 180 A _max

The result of the coercive field of the magnetic circuit.

With a di/dt of 100 A/µs

The primary conductor is best filling the through-hole and/or the return

of the primary conductor is above the top of the transducer.

060213/10

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

page1/2

LEM

www.lem.com

中文翻译

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