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LUMEL
LUMEL

DIN Rail, 1-Phase Network Meter, N27P

  • Single phase network meter
  • 1/5 or 32/63A Direct (No need for CT's)
  • RS485 MODBUS RTU slave

Product description

Designed for direct or indirect measurement of single-phase network parameters: U, I, f, P, Q, S, PF, tg fi, fi, Ep, Eq. The N27P by Lumel fulfills the requirements for devices mounted in standard modular enclosures.

 

Features;

 

  • universal measuring input

 

1/5 A 100/400 V a.c.

32/63 A, 100/400 V a.c.

 

  • direct measurement (up to 63A )
  • output:

 

RS-485 interface  with MODBUS protocol

1 x relay + 1 x analog or 2 x relay

 

  • modern graphical display in OLED technology
  • programmable current and voltage transformer ratios
  • meter configuration using button or free eCon software (through USB)
  • external dimensions: 53 x 110 x 60mm

Technical Information

Measured values and ranges

Measured Value

Range

Basic Error

Current in

 

1A

5A

32A*

63A*

 

 

0.005>1.200A AC

0.025>6.000A AC

0.160>38.40A AC

0.315>75.60A AC

+/- 0.2%

Voltage L-N

 

100V

400V

 

 

5>120V

20>480V

+/-0.2%

Frequency (f)

45.0>66.0>100Hz

+/-0.2%

Active power (p)

 

Version - 1/5A

Version - 32/63A

 

 

 

-2.88 kvar>1.00 var>2.88 kvar

-32.29 kvar>1.00 var>32.29 kvar

+/-0.5%

Reactive power (Q)

 

version 1/5A

version 32/63A

 

 

-2.88 kvar>1.00 var>2.88 kvar

-32.29 kvar>1.00 var>32.29 kvar

Apparent power (S)

 

version 1/5 A

version 32/63 A

 

 

1.40 VA>2.88 kVA

1.40 VA>32.29 kVA

PF

-1>0>1

Tangensφ

-1.2>0>1.2

+/-1%

φ

0.359

Active energy (Ep)

0>999 999.9 kWh or 9 999.999 MWh

+/-0.5%

Reactive energy (Eq)

0>999 999.9 kvarh or 9 999.999 Mvarh

*concerns the version for direct measurement

 

Outputs

Output type

Description

Relay

1-2 x (depending on the meter version) programmable relay output, NOC, load capacity 250 V~/0.5 A~, number of cycles 1 x 10

Analogue

lack or 1 x (depending on the meter version) programmable analog output 0/4..20 mA, Rload = 0...250Ω

 

Digital Interface

Interface type

Transmission protocol

Mode

Baud rate

RS-485

MODBUS RTU

8N2, 8E1, 8O1, 8N1

4.8; 9.6; 19.2; 38.4; 57.6; 115.2 kbit/s

USB1.1/2.0

8N2

9.6 kbit/s

 

External Features

Readout field

OLED display

 

Overall dimensions

53x110x60 mm

mounting on a 35mm DIN rail

Weight

0.2 kg

 

Protection grade

for housing: IP40

for terminals: IP00

 

Rated Operating Conditions

Power supply

85>253 V a.c. 40...400 Hz / 90>300 V d.c.

Power consumpti on: in supply circuit <5 VA in voltage circuit <0.2 VA in current circuit: for undirect meas. <0.05 VA, for direct meas. <2.5 VA

Temperature

ambient: -10...23...55°C

storage: -30...70°C

Relative humidity

25 ... 95%

inadmissible condensation

Working position

vertical

 

Standard conversion time

1.2s

 

Maximum conversation time

2.2s

 

Preheating time

15min

 

External magnetic field

0>40.400A/m

 

Short duration overload (1s)

voltage input: 2 UN (max. 1000 V)

current input: 10 IN

Sustained overload

voltage: 1,2 UN

current: 1,2 IN

 

Safety & Compatability Requirements

Electromagnetic compatibility

noise immunity

acc. to EN 61000-6-2

noise emissions

acc. to EN 61000-6-4

Isolati on between circuits

basic

acc. to EN 61010-1

Polluti on level

2

Installati on category

III (for voltages above 300 V – category II)

Maximal phase-to-earth working voltage

- for supply circuits 300 V

- for measuring input 600 V – cat. II (300 V – cat. III)

- for other circuits 50 V

Altitude above sea level

< 2000 m

 

Part Numbers

N27P-

X

X

XX

X

X

Current measuring range

1A/5A AC

1

 

32A/63A AC

2

Outputs

2 Relays

 

1

 

1 Relay and 1 analogue 0/4>20mA

2

Version

Standard

 

00

 

Custom made*

XX

Language

Polish

 

P

 

English

E

Other*

X

Acceptance tests

Without extra quality requirements

 

0

With an extra quality inspection certificate

1

According to customers requirements*

X

 

* Pending confirmation from Lumel

 

Example order code;

 

N27P - 1 1 00 E 0 means:

 

N27P - meter of network parameters N27P type

1 - version for indirect measureent for the range 1A/5A

1 - with

2 - relay outputs

00 - standard version

E - user's manual in English

0 - without extra quality requirements.

Part numbers

Parts Price

Part

N27P11XX
Panel Meter, 1A/5 A ac, 2 x Relay Outputs

Resource

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0116 284 9900

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