Multifunctional watch LED

Technical parameters

Index

Input

Net work

Three-phase three-wire, three-phase four- wore

Voltage

Rated value

AC 0~500v

Over load

Consistent 12 times iostaotaoeos,2 times /30s

Consumption

<0.5VA(each phase)

Impedance

>500k0

Current

Rated value

AC  1A, SA

Over load

Consistent：1 .2 times mstaotaneocs,2 times 11s

Impedance

<2m0

Frequency

45-65Hz

Output

Electric energy

Output mode

Two-channel open-collector, optical coupling poise output

Pulse constant

Active 3200imp/kwh

Reactive 3200imp/kvarh

Start

On the condition of rated voltage ,reference frequency and cos =1.0, when load operational

Current is 0.01ln, It can start and measure the electric energy continuously.

Creep

When execting115% rated voltage and no current in the current circuitry, the instrument is with no electric energy accumulation and pulse output

Output

Communication

Output mode

RS485

Protocol

MODBUS_RTU

Baud rate

1200,2400,4800, 9600

Analog

quantity

Channel quantity

4 channels

Output mode

0-20mA, 4-20mA

Load ability

<400W

Switching value

Channel quantity

4 channels

Output mode

Normally open relay contact output

Contact capability

AC 240V/2A

Switching value input

Four channel dry contact input modes

Display mode

LED(RED)

Measuring accuracy

Voltage, current

土 (0.5%FS+one digit)

Active power, reactive power

士 (0.5%FS+one digit)

Frequency

士 0.1H z

Power factor

士0 . 01P F

Active energy

士0. 5%(only for reference, not for meterage)

Reactive energy

士1.0 %(only for reference, not for meterage)

Source

Scope

AC 220V,50/60Hz

Consumption

<5VA

Safety

With stand voltage

Input and source

>2kv50Hz/1m,n

Input and output

>1kv50Hz/1min

Output and source

>2kv50Hz/1min

Insulating resistance

Any two of input, output, source, casing>20MO

Environment

Temperature

Operation>10-50°C

Storage, -25-70°C

Humidity

S85%RH, free of wet and corrosive gas

Elevation

s3000m

Function &Shape/Model

Measure &Display

Shape      Code

(Figuer     Inside□)

Selected    Additional    Functions

Phase

VoltageV

Line

Voltage

Current

Freuqency

ower Pator

Acive Power

otalReactivePower

otalpparent Power

Each Phase Power Pactor

Each Phase

Apparent Power

Active

Energy

Reactive nergy

⑨

96×96

⑧

80×80

7

72×72

Communication

interface:R5485

4-channels witch outputs

4-chnnels

switch input

4-channels analog output

Harmonic

SFS-□S3-3E

●

●

●

●

●

●

●

●

●

V

+

SFS-□SY-3E

●

●

●

●

●

●

●

●

●

●

●

●

√

十

SFN-□S3-3E

●

●

●

●

●

●

●

√

√

十

SFN-□SY-3E

●

●

●

●

●

●

●

●

●

●

●

●

●

●

√

√

√

十

SFN-□S3-3E+4DO

●

●

●

●

●

●

●

●

●

√

十

十

SFN-□SY-3E+4DO

●

●

●

●

●

●

●

●

●

●

●

●

●

●

√

十

十

SFN-□S3-3E+4DI

●

●

●

●

●

●

●

●

●

√

十

十

SFN-□SY-3E+4DI

●

●

●

●

●

●

●

●

●

●

●

●

●

●

√

十

十

SFN-□S3-3E+4AO

●

●

●

●

●

●

●

●

●

√

十

十

SFN-□SY-3E+4AO

●

●

●

●

●

●

●

●

●

●

●

●

√

十

十

SFN-□SY-3E+H

●

●

●

●

●

●

●

●

●

●

●

●

●

√

十

十