CT25-T LEM, CT25-T Datasheet

CT25-T

Manufacturer Part Number

CT25-T

Description

Current Transducer

Manufacturer

LEM

Datasheet

1.CT25-T.pdf (3 pages)

Current page: 1 of 3
Download datasheet (188Kb)

Current Transducer CT 5 .. 25-T

For very accurate measurements of currents : DC, AC, pulsed...,

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

and the secondary circuit (electronic circuit).

current

Note :

060927/0

Primary nominal

O U T

Electrical data

Accuracy - Dynamic performance data

General data

(A r.m.s.)

Analog output voltage

Load resistance

Capacitance loading

Output short-circuit duration

Supply voltage (± 5 %)

Current consumption

Overall accuracy @ I

Offset voltage @ I

Frequency bandwidth (- 3 dB) @ 10 % of I

Response time

Ambient operating temperature

Ambient storage temperature

Mass

Standards

If the short-circuit has a duration more than 1 s, the primary current of

the supply voltage must be interrupted for a short time to restore the

transducer to proper working order. The internal protection is done by

PTC resistors.

measuring range

Primary current,

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

37.5

7.5

(A)

= 0

0632

- 25°C .. + 70°C

Conversion

10 A/ 5 V

25 A/5 V

5 A/5 V

ratio

(A/V)

= 25°C

- 25 .. + 70

- 40 .. + 85

± 15

30 + V

± 0.1

DC .. 500

< 1

670

EN 50178 : 1996

± 0.4

± 0.6

Max

CT 10-T

CT 25-T

500

CT 5-T

Type

OUT

/ R

kHz

µ s

°C

Features

Advanced features

Advantages

Applications

Application domain

Closed loop (compensated) current

transducer

Insulated plastic case recognized

according to UL 94-V0

Patent pending.

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.

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.

Industrial.

= 500 kHz

= ± 0.1 % (- 25°C .. + 70°C).

5 .. 25 A

w w w .lem.com

Page 1/3

Related parts for CT25-T

CT25-T Summary of contents

Page 1

... If the short-circuit has a duration more than 1 s, the primary current of the supply voltage must be interrupted for a short time to restore the transducer to proper working order. The internal protection is done by PTC resistors. 060927/0 LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice. Conversion Type ratio K ...

Page 2

... This transducer is a built-in device, whose conducting parts must be inaccessible after installation. A protective housing or additional shield could be used. Main supply must be able to be disconnected. 060927/0 LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice. 6 > 9.5 Min 104.5 104 ...

Page 3

... Top view Mechanical characteristics General tolerance Transducer fastening Connection of primary Connection of secondary Fastening torque 060927/0 LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice. (in mm 0.0394 inch) Remarks ± 0 positive when I OUT 2 holes M5 screws ...

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