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S3-AD AC CURRENT TRANSDUCER

Power transducer S3,N3 series power Transducer

Quick Overview

Model: Accuracy: ± 0.2% RO S3-AD-1 : 1φinput (AVG.) S3-AD-3: 3φinput (AVG.) S3-AD-1T: 1φinput (TRMS) Accuracy: ± 0.5% RO N3-AD-1 : 1φinput (AVG.) N3-AD-3: 3φinput (AVG.) N3-AD-1T : 1φinput (TRMS)

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1.FEATURES

◆Excellent long term stability (4 ~ 20mA, 500Ω);

◆Precision measurement even for distorted wave (S3-AD-1T);

◆High impulse & surge protection (5KV);

◆The case can be mounted on a 35mm rail which complies with DIN 46277;

2.Introduction:

2.1 Sinusoidal Waveforms -AVG.

  S3-AD Series Transducer converting a sinusoidal alternating current into a dc output, proportional  to  the  RMS  value  of  input.  These  units are average sensing, but RMS calibrated for a sine wave with less than 1% distortion. The input signal is converted to a dc voltage which then feeds to a single stage amplifier and a dc output produced.

2.2 Non-Sinusoidal Waveforms TRMS

S3-AD-1T ,N3-AD-1T Transducer are designed for use  on  waveforms with up to 30% of 3rd harmonic content. The input  signal  is  fed  to  an RMS detection circuit and the resultant dc volts produced are a linear function of the RMS value of input waveform.  This  dc  voltage  is converted to a milliamp output via an output amlification circuit.


3.Specification:

Aux. power supply

AC 110V ± 15%, 50/60HZ

AC 220V ± 15%, 50/60HZ

DC24V, 48V, 110V,  ± 15%

Power consumption

-2.5VA, DC 3W

Power effect 

 0.1%  RO

Waveform effect

0.2% RO. at  distortion  factor  30%(  PCIR)

Output load effect

0.05% RO.

Magnetic field strength

-0.2% RO., 400A/M

Span adjustment range

5%RO

Zero adjustment range

1%RO

Operating temperature range

0 ~ 60

Operating temperature range

0 ~ 60

Storage temperature range

-10 ~ 70 

Temperature coefficient

- 100PPM  from  0  to  60

 60PPM, 25。C   ±  10

Max. relative humidity

95%

Isolation

Input/output/power/case

Insulation resistance

100M W, DC 500V

Dielectric withstand voltage

Between input/output/power/case

(IEC 414, 688,ANSI, C37)  AC 2.6KV, 60HZ, 1 min.

Impulse withstand test

5KV,   1.2   X 50μS

(IEC 255-4, ANSI C37 90a)  Common mode  & differential mod

Performance

Designed to comply with IEC688

Safety requirements

IEC 414, BS5458


4.Dimensional Drawings:
4.1S3-AD-1, S3-AD-1T:N3-AD-1,N3-AD-1T:
 

4.2 S3-AD-3,N3-AD-3:


5.Trminal Connection

5.1 S3-AD-1, S3-AD-1TN3-AD-1,N3-AD-1T


5.2 S3-AD-3,N3-AD-3:


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2.SPECIFICATION

INPUT

Input Range

Input Burden

Input Frequency

Max. Input Over capability

0 ~ 1A

 

0.1VA

50Hz ± 3Hz

or 60Hz ± 3Hz

3 X rated continuous 10 X rated 10 sec.

50 X rated 1 sec.

0 ~ 5A

OUTPUT

DC Output Range

Load

Resistance

Output Resistance

Output Ripple

Response Time

0 ~ 1V

 

 

1KW

 

 

<-0.05W

 

 

 

 

 0.5% RO.

(Peak)

 

 

 

 

400mS. 0 ~ 99%

0 ~ 5V

1 ~ 5V

0 ~ 10V

0 ~ 1mA

0 ~ 10KW

20MW

0 ~ 10mA

0 ~ 1KW

 

5MW

0 ~ 20mA

0 ~ 500 W

4 ~ 20mA

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