Datasheet > LAH25-NP_06

LAH25-NP_06

更新时间： 2024-10-19 03:50:23

品牌	Logo	应用领域
莱姆 - LEM		传感器
页数	文件大小	规格书
2页	72K
描述
Current Transducer

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中文翻译

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数据手册

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LAH25-NP_06 数据手册

Current Transducer LAH 25-NP

I_PN= 8-12-25 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).

16038

Electrical data

Features

I_PN

I_P

R_M

Primary nominal r.m.s. current

Primary current, measuring range

Measuring resistance @

0 .. 55

T_A= 70°C

R_{M min}R_MmaxR_{M min}R_Mmax

· Closed loop (compensated) multi-

range 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

@ I_PN[± At _DC

@ I_PN[At _RMS

@ I_PN[± At _DC

]

257

155

252

150

]

67 371 70 366

67 236 70 231

@ I_PN[At _RMS

@ I_P< I_PN

]

Advantages

I_SN

K_N

V_C

I_C

V_d

V_b

Secondary nominal r.m.s. current

Conversion ratio

Supply voltage (± 5 %)

Current consumption

R.m.s. voltage for AC isolation test, 50/60 Hz, 1 mn

R.m.s. rated voltage ⁴⁾

1 - 2 - 3 : 1000

± 12 .. 15

10 (@ ± 15V) + I_SmA

600

· Excellentaccuracy

· Very good linearity

· Low temperature drift

· Optimized response time

· Wide frequency bandwidth

· No insertion losses

· High immunity to external

interference

Accuracy - Dynamic performance data

Accuracy ⁵⁾@ I_PN,T_A= 25°C

Linearity error

± 0.3

< 0.2

· Current overload capability.

Typ Max

Applications

I_O

Offset current @ T_A= 25°C

± 0.15 mA

I_OM

I_OT

Residual current @ I_P= 0, after an overload of 5 x I_PN± 0.20 ± 0.25 mA

· AC variable speed drives and servo

motor drives

· Static converters for DC motor drives

· Battery supplied applications

· Uninterruptible Power Supplies

(UPS)

Thermal drift of I_O

0°C .. + 70°C

- 25°C .. + 85°C

± 0.10 ± 0.60 mA

± 0.10 ± 0.70 mA

t_{r a}

t_r

Reaction time @ 10 % of I_PN

Response time ⁶⁾@ 90 % of I_PN

< 200

< 500

di/dt di/dt accurately followed

> 200

DC .. 200

A/µs

kHz

Frequency bandwidth (- 1 dB)

· Switched Mode Power Supplies

(SMPS)

General data

· Power supplies for welding

applications.

T_A

T_S

R_S

Ambient operating temperature

Ambient storage temperature

Secondary coil resistance

- 25 .. + 85

- 40 .. + 90

104

°C

@ T_A= 70°C

@ T_A= 85°C

Mass

Standards

EN 50178 : 1997

Notes : 1)During 10 s, with R_M£ 109 W (V_C= ± 15 V) - 2) 50 Hz Sinusoidal -

3) The measuring resistance R_{M min}may be lower (see "LAH Technical Informa-

tion" leaflet) - 4) Pollution class 2, cat. III - 5) Without I_O& I_OM- 6) With a di/dt of

100 A/µs - 7)

060213/5

page1/2

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

LEM

www.lem.com

中文翻译

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