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LUMEL
LUMEL

DIN Rail, 3-Phase Network Meter, N43

  • Three phase network meter
  • Upto 63A direct without CT'
  • RS485 MODBUS RTU slave

Product description

  • For direct (up to 63A) and indirect measurement, in 3 phase 4 wire/3 wire balanced and unbalanced systems
  • The measurement of: rms values of voltage and current, active, reactiveand apparent power, active, reactive energy, power factors, frequency, THD
  • Indications considering values of programmed ratios
  • Backlit LCD display
  • Programmable display pages
  • 3 programmable alarm outputs and 1 pulse output in standard version
  • Pulse output for monitoring of 3-phase active energy
  • Digital transmission to the master system through the RS-485 interface (MODBUS)
  • USB for configuration by using free eCon software
  • Modern design allows for installation of the meter in modular switchgearin accordance with EN 62208
    (meter has a width of 6 modules)on 35 mm rail

 

 

 

 

Measured value

Measuring range

L1

L2

L3

Basic error**

Current  In

 1 A ~

0.01...1.20 A or kA *

 

 

 

±0.5% 

 5 A ~

0.05…6.00 A or kA *

 63 A ~

0.010…76.0 A~

Voltage L-N

57,7 V ~

2.80 ...70.0 V or kV*

  

±0.5% 

230 V ~

10.0 ... 276 V~

290 V ~

14.0 ... 348 V~

Voltage L-L

100 V ~

5.00 ... 120 V or kV*

 

±1%

400 V ~

20.0 ... 480 V~

500 V ~

25.0 ... 600 V~

 

Frequency

47.0 ... 63.0 Hz

 

 

 

●l

±0.5%

Active power/import export

0.00... 999 or

0.00 ... 9999999

W, kW or MW

±0.1%

Reactive power /capacitive or
inductive indication/

0.00... 999 or

0.00 ... 9999999
VAR, kVAr or MVAr

±1% 

Apparent power

0.00... 999 or

0.00 ... 9999999.9
VA, kVA or MVA

±1%

Active energy /import or export/

0.0 ... 999999.9
kWh or MWh

 

 

 

±1%

Reactive energy/capacitive
or inductive indication/

0.0 ... 999999.9
kVArh or MVArh 

 

 

 

±1%

Power factor PF

-1 ... 0 ... 1

±1% 

Tangent j

+1.2 ... 1 ...1.2

±1% 

 

* depending on set current ratio:

     - tr_U ratio (ratio of the voltage transformer: 0.1…4000.0)

     - tr_I ratio (ratio of the current transformer: 1…10000)

 ** calculated for the nominal range In, Un

 

Technical data

Outputs

Kind of output

Properties

Relay output

3x programmable relay output, normally open voltageless contacts,

load  capacity 250 V~/0.5 A~

Pulse output

1 x pulse output, OC type, passive (for monitoring of active energy)

 

Digital interface

Type of interface

Transmission protocol

Mode

Rate

RS-485 Modbus

MODBUS RTU

8N2, 8E1, 8O1, 8N1

4.8; 9.6; 19.2; 38.4 kbit/s

USB 1.1/ 2.0

MODBUS RTU

8N2

9.6 kbit/s

 

Rated Operating Conditions

Supply voltage

85...253 V a.c., 90...300 V d.c.

20...40 V a.c., 20...60 V d.c

 

Temperature

ambient: -10...23...55°C

 

Relative humidity

0...95% 

inadmissible condensation

Operating position

any

 

External magnetic field

0...40...400 A/m

 

Short duration overload

voltage inputs (5 sec):  2 Un

current inputs: 

- 1 sec. 50 A (for version In 1 A/ 5 A)

- 1 sec. 630 A (for version In 63 A)

Power consumption

- in the supply circuit ≤ 4 VA, 
- in the voltage and current circuits ≤ 2VA

Safety and compatibility requirements

Electromagnetic compatibility

noise immunity

acc. to EN 61000-6-2

noise emissions

acc. to EN 61000-6-4

Safety requirements

 

acc. to EN 61010-1

 

Meter connection diagrams

 

Order numbers

 

Part numbers

Parts Price

Part

N4312200E0
3PH DIN RAIL NETWORK METER 1A/5A 24V

Resource

Contact us

If you need any help, you can contact us in one of the following ways:

0116 284 9900

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