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You are here: Home » Products » Energy Meters » Din Rail Meter » 5 modular(90mm) » EM537 5(65)A din rail mounted meter three phase TOU modbus energy meter
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EM537 5(65)A din rail mounted meter three phase TOU modbus energy meter

Direct connected meter
Accuracy class B (+/-1 %)
Double tariff TOU meter
Import and export (4-quadrants)
Demand meter
rs485 communication
three phase modbus energy meter
Switch power supply
Dot lcd display

  • EM537
  • Fineco
  • EM537
Quantity:

                            EM537 5(65)A din rail mounted  kWh meter
                three phase TOU  modbus energy meter,3*230/400v 65A

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Main Functions and features:

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Measuring function:

On the EM537’S front panel, there are three LED, active/reactive energy pulse light, and alarm indicator lights .Meter can measure import active energy , export active energy , four-quadrant reactive energy. solar wattmeter.With time-division measurement function, user can store or calculate active and reactive energy according to the time interval of4 tariffs ( T1, T2, T3, T4).

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Demand function

The meter can calculate the forward and reverse active/reactive demand and the demand occurrence time.


Data store function

The meter can store total active energy, forward/reverse active total energy and time-sharing energy. Also include the reactive forward/reverse total energy and time-sharing energy, four-quadrant reactive total energy and time-sharing energy.The meter can store current and previous 12months data.

 

TOU function

The internal clock circuit of energy meter has time automatic switching function. Calendar, clock and rate can be set and adjustment through RS485, infrared interface. At least 4 tariffs and 12 time interval can be set within a natural day

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Electricity parameters measurement and monitoring

The meter can measure: voltage, current, active power, reactive power, apparent power,power factor and frequency of each phase. Also can display the direction of the current and power. The resolution of frequency is 0.01Hz. the accuracy of Voltage,current,activepower,reactive power and apparent power is 1%. 

 

Summer/winter time switch permit/prohibition
Smart meter provide automatic summer/winter time switch accomplished at 02.00 on the last Sunday of March(forward 1 hours) and at 03:00 on the last Sunday of October(back 1 Hours).

 

Communication Function

With an infrared COM and a RS485 COM. Its physical layers are independent with each other.The meter can realize data acquisition, broadcast time setting, read, program and manage through hand-held terminals, data acquisition terminal, test equipments and computers. 

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Using communication function , the smart meter can connection to the Fineco Cloud.The reading can be

viewed through the web browse at any time.

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Alarm function

   When the meter connect wire wrong example: current reverse, lost phase and reversed phase sequence , the meter will display      , the ALARM led will be on.

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Direct connected meters

Transformer connected meter

Measured Voltage(v)

Wye: 3*120/208V,3*133/230V,3*230/400V ,3*288/480V

Current(A)

- Iref

5A

1.5

-Itr

0.5A

0.15A

-Imax

65A

6A

-Imin

0.25A

0.015A

-Ist

20mA

3mA

Power consumption of current circuits(VA)

< 0.01

< 0.01

Power consumption of voltage circuits(W)

< 1.3W

< 1.3W

General data

 

 

Frequency (Hz)

50/60

50/60

Memory back-up

EEprom

EEprom

Environment resistance to heat and fire

Terminal 960

Cover 650

Terminal 960

Cover 650

Enclosure material

upper

ABS+PC

ABS+PC

lower

ABS+PC

ABS+PC

Pulse output

 

 

Pulse width(ms)

100

100

Pulse constant(imp/kWh)

1000(default)

100/10/1 can be prog

6400(default)

100/10/1 can be prog

LED

LED constant

1000

6400

Dimension

Width (mm)

90

90

Height (mm)

104.5

104.5

Depth (mm)

60

60

 

 

 

 


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 Wiring diagrams          

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1/3                      L1 in & out
4/6                      L2 in & out
7/9                      L3 in & out
11                       Neutral
20 &23              Active test pulse output contact(23,20+)
21&23               Reactive test pulse output contact(23,21+)
22&23               RTC second test pulse output contact(23-,22+)
24&25               RS485 communication contact(25TX/RX(-), 24TX/RX(+))
26                      RS485 GND


Single-phase model

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1/3                      L1 in & out
11                       Neutral
20 &23              Active test pulse output contact(23,20+)
21&23               Reactive test pulse output contact(23,21+)
22&23               RTC second test pulse output contact(23-,22+)
24&25               RS485 communication contact(25TX/RX(-), 24TX/RX(+))
26                      RS485 GND

                
Shanghai Fangqiu Electric Co., Ltd. is located
in Shanghai and is specialized in manufacturing 
energy meters and meters' electronic parts and 
components.  Our meters and production lines 
are fully approved  by  MID.

  
 
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