Сетевой параметр N43
  • Сетевой параметр N43

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Производитель: LUMEL

Сетевой параметр N43

  • Measurement in 3 phase 4 wire/3 wire balanced and unbalanced systems.
  • For direct and indirect measurements.
  • The measurement of: rms values of voltage and current, active, reactive and apparent power, active, reactive energy, power factors, frequency.
  • Indications considering values of programmed ratios.
  • Backlit LCD dedicated screen.
  • Digital transmission to the master system through the RS-485 interface (MODBUS).
  • Configurable alarm outputs.
  • The pulse output for monitoring of 3-phase active energy.
  • USB for configuration by using free eCon software.
 
Example of Application

DIN-rail power network meter N43

Measured quantities and measuring ranges
 
Measured Quantities and Measuring Ranges
Measured value Measuring range L1 L2 L3 ∑ Basic error
Current In 1 A/5 A 1 A ~
5 A ~
63 A ~		 0,01...1,20 A lub kA *
0,05...6,00 A lub kA *
0,10...76,0A~		 ♦ ♦ ♦   ±0,5 %
Voltage L-N 57,7 V ~
230 V ~
290 V ~		 2,80 ...70,0 V lub kV*
10,0 ... 276 V~
14,0 ... 348 V~		 ♦ ♦ ♦   ±0,5%.
Voltage L-L 100 V
400 V
500 V		 5,00 ... 120 V lub kV*
20,0 ... 480 V~
25,0 ... 600 V~		 ♦ ♦ ♦   ±1%
Frequency 45,0...65,0 Hz       ♦ ±0,5%
Active power
/import or export/		 0,00 ... 999 lub
0,00 ... 9999999
W, kW or MW		 ♦ ♦ ♦ ♦ ±1%
Reactive power
/capacitive or inductive
indication/		 0,00 ... 999 lub
0,00 ... 9999999
VAR, kVAR lub MVAR		 ♦ ♦ ♦ ♦ ±1%
Apparent power 0,00 ... 999 lub
0,00 ... 999999,9
VA, kVA lub MVA		 ♦ ♦ ♦ ♦ ±1%
Active energy
/import or export/		 0,0 ... 999999,9
kWh lub MWh		       ♦ ±1% zak.
Reactive energy
/capacitive or inductive indication/		 0,0 .. 999999,9 kVARh lub MVARh       ♦ ±1% zak.
Power factor PF -1 ... 0 ... 1 ♦ ♦ ♦ ♦ ±1% zak.
Tangens φ +1,2 ... 1 ...1,2 ♦ ♦ ♦ ♦ ±1% zak.

* transformer converter ratio
- tr_U ratio (ratio of the voltage transformer: 0.1…4000.0)
- tr_I (ratio of the current transformer: 1…10000)
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 8N21 9,6 kbit/s
External Features
Readout field LCD screen, dedicated, monochromatic with backlit
Weight < 0,3 kg
Overall dimensions 105 X 110 X 60 mm
Protection grade (acc. to EN 60529) from terminal side: IP20
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: -25...23...55°C  
Relative humidity 25...95% inadmissible condensation
Operating position any  
External magnetic field 0...40...400 A/m  
Short duration overload voltage input (5 sec): 2Un current inputs:
- 10 In (5 sec) for current transformer connection
- 1000 A (20 ms) for direct connection 63 A
Power consumption
- in the supply circuit ≤6 VA,
- in the voltage and current circuits ≤0,05 VA
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

ELECTRIC CONNECTIONS

DIN-rail power network meter N43

 

Ordering
DIN-rail power network meter N43 
EXAMPLE OF ORDER:
The code N43 - 2 2 1 00 E 0 means:
N43 - meter of network parameters of N43 type
2- current input: 63 A
2- input voltage (phase/phase-to-phase) Un =
3 x 230 V/ 400 V
1- auxiliary supply: 85...253 V a.c., 90...300 V d.c.
00- standard version
E- all descriptions and user's manual in English
0- without extra quality requirements.

 

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  • Measurement in 3 phase 4 wire/3 wire balanced and unbalanced systems.
  • For direct and indirect measurements.
  • The measurement of: rms values of voltage and current, active, reactive and apparent power, active, reactive energy, power factors, frequency.
  • Indications considering values of programmed ratios.
  • Backlit LCD dedicated screen.
  • Digital transmission to the master system through the RS-485 interface (MODBUS).
  • Configurable alarm outputs.
  • The pulse output for monitoring of 3-phase active energy.
  • USB for configuration by using free eCon software.
 
Example of Application

DIN-rail power network meter N43

Measured quantities and measuring ranges
 
Measured Quantities and Measuring Ranges
Measured value Measuring range L1 L2 L3 ∑ Basic error
Current In 1 A/5 A 1 A ~
5 A ~
63 A ~		 0,01...1,20 A lub kA *
0,05...6,00 A lub kA *
0,10...76,0A~		 ♦ ♦ ♦   ±0,5 %
Voltage L-N 57,7 V ~
230 V ~
290 V ~		 2,80 ...70,0 V lub kV*
10,0 ... 276 V~
14,0 ... 348 V~		 ♦ ♦ ♦   ±0,5%.
Voltage L-L 100 V
400 V
500 V		 5,00 ... 120 V lub kV*
20,0 ... 480 V~
25,0 ... 600 V~		 ♦ ♦ ♦   ±1%
Frequency 45,0...65,0 Hz       ♦ ±0,5%
Active power
/import or export/		 0,00 ... 999 lub
0,00 ... 9999999
W, kW or MW		 ♦ ♦ ♦ ♦ ±1%
Reactive power
/capacitive or inductive
indication/		 0,00 ... 999 lub
0,00 ... 9999999
VAR, kVAR lub MVAR		 ♦ ♦ ♦ ♦ ±1%
Apparent power 0,00 ... 999 lub
0,00 ... 999999,9
VA, kVA lub MVA		 ♦ ♦ ♦ ♦ ±1%
Active energy
/import or export/		 0,0 ... 999999,9
kWh lub MWh		       ♦ ±1% zak.
Reactive energy
/capacitive or inductive indication/		 0,0 .. 999999,9 kVARh lub MVARh       ♦ ±1% zak.
Power factor PF -1 ... 0 ... 1 ♦ ♦ ♦ ♦ ±1% zak.
Tangens φ +1,2 ... 1 ...1,2 ♦ ♦ ♦ ♦ ±1% zak.

* transformer converter ratio
- tr_U ratio (ratio of the voltage transformer: 0.1…4000.0)
- tr_I (ratio of the current transformer: 1…10000)
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 8N21 9,6 kbit/s
External Features
Readout field LCD screen, dedicated, monochromatic with backlit
Weight < 0,3 kg
Overall dimensions 105 X 110 X 60 mm
Protection grade (acc. to EN 60529) from terminal side: IP20
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: -25...23...55°C  
Relative humidity 25...95% inadmissible condensation
Operating position any  
External magnetic field 0...40...400 A/m  
Short duration overload voltage input (5 sec): 2Un current inputs:
- 10 In (5 sec) for current transformer connection
- 1000 A (20 ms) for direct connection 63 A
Power consumption
- in the supply circuit ≤6 VA,
- in the voltage and current circuits ≤0,05 VA
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

ELECTRIC CONNECTIONS

DIN-rail power network meter N43

 

Ordering
DIN-rail power network meter N43 
EXAMPLE OF ORDER:
The code N43 - 2 2 1 00 E 0 means:
N43 - meter of network parameters of N43 type
2- current input: 63 A
2- input voltage (phase/phase-to-phase) Un =
3 x 230 V/ 400 V
1- auxiliary supply: 85...253 V a.c., 90...300 V d.c.
00- standard version
E- all descriptions and user's manual in English
0- without extra quality requirements.

 

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