LA55-P datasheet(1/2 Pages) LEM

部件名	LA55-P

功能描述	Current Transducer LA 55-P

PDF	2 Pages

Scroll/Zoom	100%

制造商	LEM [LEM]

网页	http://www.lem.co.jp/HQ/en

标志

1 / 2 page

Current Transducer LA 55-P

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

Primary nominal r.m.s. current

50

A

I

P

Primary current, measuring range

0 .. ± 70

A

R

M

Measuring resistance @

T

A = 70°C

T

A = 85°C

R

M min RM max

R

M min RM max

with ± 12 V

@ ± 50 A

max

10

100

60

95

Ω

@ ± 70 A

max

10

50

601) 601)

Ω

with ± 15 V

@ ± 50 A

max

50

160

135 155

Ω

@ ± 70 A

max

50

90

13 52) 1352)

Ω

I

SN

Secondary nominal r.m.s. current

50

mA

K

N

Conversion ratio

1 : 1000

V

C

Supply voltage (± 5 %)

± 12 .. 15

V

I

C

Current consumption

10 (@ ±15 V) + I

S mA

V

d

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

2.5

kV

Accuracy - Dynamic performance data

X

Accuracy @ I

PN , TA = 25°C

@ ± 15 V (± 5 %)

± 0.65

%

@ ± 12 .. 15 V (± 5 %)

± 0.90

%

ε

L

Linearity

< 0.15

%

Typ

Max

I

O

Offset current @ I

P = 0, TA = 25°C

± 0.2

mA

I

OM

Residual current 3) @ I

P = 0, after an overload of 3 x I PN

± 0.3

mA

I

OT

Thermal drift of I

O

0°C .. + 70°C

± 0.1

± 0.5

mA

- 25°C .. + 85°C

± 0.1

± 0.6

mA

t

ra

Reaction time @ 10 % of I

P max

< 500

n s

t

r

Response time @ 90 % of I

P max

< 1

µs

di/dt

di/dt accurately followed

> 200

A/µs

f

Frequency bandwidth (- 1 dB)

DC .. 200

kHz

General data

T

A

Ambient operating temperature

- 25 .. + 85

°C

T

S

Ambient storage temperature

- 40 .. + 90

°C

R

S

Secondary coil resistance @

T

A = 70°C

80

Ω

T

A = 85°C

85

Ω

m

Mass

18

g

Standards 4)

EN 50178

Notes : 1) Measuring range limited to ± 60 A

max

2) Measuring range limited to ± 55 A

max

3) Result of the coercive field of the magnetic circuit

4) A list of corresponding tests is available

Features

•Closed loop (compensated) current

transducer using the Hall effect

•Printed circuit board mounting

•Insulated plastic case recognized

according to UL 94-V0.

Advantages

•Excellent accuracy

•Very good linearity

•Low temperature drift

•Optimized response time

•Wide frequency bandwidth

•No insertion losses

•High immunity to external

interference

•Current overload capability.

Applications

•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.

I

PN

=

50 A

980706/8

LEM Components

ww w .lem.com

类似零件编号 - LA55-P

制造商	部件名	数据表	功能描述
LEM	LA55-P	68Kb / 2P	Current Transducer LA 55-P
	LA55-P	126Kb / 2P	Current Transducer
	LA55-P	126Kb / 2P	Current Transducer
	LA55-P	515Kb / 3P	Current Transducer

More results

类似说明 - LA55-P

制造商	部件名	数据表	功能描述
LEM	LA55-TP	66Kb / 2P	Current Transducer LA 55-TP
	LA100-P	69Kb / 2P	Current Transducer LA 100-P
	LA125-P	84Kb / 2P	Current Transducer LA 125-P
	LA150-P	26Kb / 2P	Current Transducer LA 150-P
	LA200-P	85Kb / 2P	Current Transducer LA 200-P
	LA305-S	65Kb / 2P	Current Transducer LA 305-S
	LA100P	69Kb / 2P	CURRENT TRANSDUCER LA 100-P
	LA55P	68Kb / 2P	Current Transducer LA 55-P
	LA-100-P	639Kb / 3P	Current Transducer LA 100-P
	LA-150-P	336Kb / 4P	Current Transducer LA 150-P

More results

LA55-P 数据表(PDF) 1 Page - LEM

LA55-P 数据表(HTML) 1 Page - LEM

类似零件编号 - LA55-P

类似说明 - LA55-P

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LA55-P 数据表(PDF) 1 Page - LEM

LA55-P 数据表(HTML) 1 Page - LEM

类似零件编号 - LA55-P

类似说明 - LA55-P

Html Pages

1 2

数据表 下载

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数据表下载