Datasheet > LAH50-P

LAH50-P

更新时间： 2024-10-27 22:31:35

品牌	Logo	应用领域
莱姆 - LEM		传感器
页数	文件大小	规格书
2页	221K
描述
Current Transducer LAH 50-P

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中文翻译

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数据手册

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LAH50-P 数据手册

Current Transducer LAH 50-P

I_PN= 50 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).

Electrical data

I_PN

I_P

R_M

Primary nominal r.m.s. current

Primary current, measuring range

Measuring resistance @

0 .. 110

T_A= 70°C

R_{M min}R_MmaxR_{M min}R_Mmax

Features

T_A= 85°C

· Closed loop (compensated) current

transducer using the Hall effect

· Printed circuit board mounting

· Insulated plastic case recognized

according to UL 94-V0.

with ± 12 V

with ± 15 V

@ I_PN[± A _DC

@ I_PN[A _RMS

@ I_PN[± A _DC

]

221

115

335

195

214

108

327

188

]

@ I_PN[A _RMS

]

Advantages

I_SN

K_N

V_C

I_C

V_d

V_e

V_w

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. voltage for partial discharge extinction @ 10 pC > 2

1 : 2000

± 12 .. 15

10 (@ ± 15V) + I_SmA

· Excellent accuracy

· Very good linearity

· Low temperature drift

· Optimized response time

· Wide frequency bandwidth

· No insertion losses

· High immunity to external

interference

Impulse withstand voltage 1.2/50 µs

> 12

Accuracy - Dynamic performance data

Accuracy³⁾@ I_PN,T_A= 25°C

Linearity

± 0.25

< 0.15

· 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± 0.10 ± 0.15 mA

· 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.

Thermal drift of I_O

0°C .. + 70°C

- 25°C .. + 85°C

± 0.10 ± 0.30 mA

± 0.10 ± 0.40 mA

t_{r a}

t_r

Reaction time @ 10 % of I_PN

Response time ⁴⁾@ 90 % of I_PN

< 200

< 500

di/dt di/dt accurately followed

> 200

DC .. 200

A/µs

kHz

Frequency bandwidth (- 1 dB)

General data

T_A

T_S

R_S

Ambient operating temperature

Ambient storage temperature

Secondary coil resistance

- 25 .. + 85

- 40 .. + 90

135

142

°C

@ T_A= 70°C

@ T_A= 85°C

Insulating material group

Mass

Standards

EN 50178

Notes : For 10 s, with R_M£ 71 W (V_C= ± 15 V)

50 Hz Sinusoidal

Without I_O& I_OM

With a di/dt of 100 A/µs

A list of corresponding tests is available.

010822/5

LEM Components

www.lem.com

中文翻译

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