Datasheet > LA15-PB

LA15-PB

更新时间： 2024-09-09 22:18:39

品牌	Logo	应用领域
莱姆 - LEM		传感器
页数	文件大小	规格书
2页	27K
描述
Current Transducer LA 03~20-PB

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中文翻译

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数据手册

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LA15-PB 数据手册

Current Transducer LA 03 .. 20-PB

I_PN= 3 .. 20 A

For the electronic measurement of currents: DC, AC, pulsed, mixed,

with a galvanic isolation between the primary circuit (high power) and

the secondary circuit (electronic circuit).

Preliminary

Electrical data

Features

Primary nominal

r.m.s. current

Primary current

measuring range

I_P(A)

Primary Conductor

Diameter

(mm)

Type

· Closed loop (compensation) current

transducer using the Hall effect

· Voltage output

I_PN(A)

± 4.5

± 7.5

± 15

± 22.5

± 30

0.5

0.65

0.8

1.0

LA 03-PB

LA 05-PB

LA 10-PB

LA 15-PB

LA 20-PB

· Printed circuit board mounting

V_C

I_C

Supply voltage (± 5 %)

Current consumption

± 15

Advantages

app. 20mA+ I_PN/1200 mA

V_d

R.m.s. voltage for AC isolation test, 50/60Hz,1mn 2.5

· Excellent accuracy

· Very good linearity

R_IS

V_OUT

R_L

Isolation resistance @ 500 VDC

Output voltage @ ± I_PN, R_L= 10 kW, T_A= 25°C

Load resistance

> 500

± 4

> 10

· Low temperature drift

· Optimized response time

· Wide frequency bandwidth

· No insertion losses

· High immunity to external

interference

Accuracy-Dynamic performance data

· Current overload capacity

Accuracy @ I_PN, T_A= 25°C (without offset)

Linearity (0 .. ± I_PN)

< ± 1.5 % of I_PN

< ± 1 % of I_PN

V_OE

V_OH

Electrical offset voltage, T_A= 25°C

Hysteresis offset voltage @ I_P= 0;

after an excursion of 1 x I_PN

< ± 30

Applications

< ± 15

± 1

mV/K

%/K

· AC variable speed drives and servo

motor drives

· Static converters for DC motor drives

· Battery supplied applications

· Uninterruptible Power Supplies

(UPS)

V_OT

Thermal drift of V_OE

max.

TCe

Thermal drift(% of reading)

< 0.04

t _r

Response time @ 90% of I_P

Frequency bandwidth (- 1dB)¹⁾

< 3

µs

DC .. 150 kHz

· Switched Mode Power Supplies

(SMPS)

General data

T_A

T_S

Ambient operating temperature

Ambient storage temperature

Mass

- 10 .. + 80 °C

- 15 .. + 85 °C

· Switched Mode Power Supplies

(SMPS)

· Power supplies for welding

applications

< 12

Notes :

EN 50178 approval pending

¹⁾Derating is needed to avoid excessive core heating at high frequency.

010118/2

LEM Components

www.lem.com

中文翻译

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