SNA-L70
SNA-L70 SNA-L70_application

SNA-L70

Simex SNA-L70 Multifunction Three-Phase Meter

SNA-L70 is an innovative instrument for measurement of the electrical parameters.

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Estimated Delivery 19th August - 26th August
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Overview

SNA-L70 is an innovative instrument for measurement of the electrical parameters. It is particularly suitable for consumption analysis and control, with an excellent quality/price ratio.
For the version with Rogowski coils (RGW model), connections are very quick and easy, very useful for retrofitting applications on existing switchboards or for energy audit.
SNA-L70 is the ideal instrument to establish the measurement points on the plant.
The instrument can communicate through the RS-485 serial port by MODBUS RTU/ASCII protocol.

Features

  • 4 DIN modules compact version
  • Fully bi-directional four quadrants measurements for all energies and powers
  • Main electrical parameters measured and displayed for a cost-effective consumption analysis
  • Version for 1 or 5A CT, for direct connection up to 6A or 80A or for Rogowski coils
  • 3 current measurement scales for Rogowski model
  • Possibility to connect by PT
  • MODBUS RTU/ASCII communication by RS-485 port

Technical Details

Inputs – voltage range: self-powered model: 3 x 180/310 ÷ 3 x 285/495 VAC; auxiliary power supply (AUX) model: 3 x 10/17 ÷ 3 x 285/495 VAC; current: 6A (SNA-L70-111), 80A (SNA-L70-211), 3 selectable scales, 500/4000/20000A, Rogowski coils (SNA-L70-RGW); digital: active optoisolated, voltage range for DMD synchronisation: 80 ÷ 276 VAC

Power supply – self-powered model: 180 ÷ 285V AC, 50/60 Hz; auxiliary power supply (AUX) model: 85 ÷ 265V AC, 50/60 Hz

Power consumption – self-powered model: 3,5 VA ÷ 1 W for each phase; auxiliary power supply (AUX) model: 1,6 VA ÷ 1 W

Outputs – digital: passive optoisolated; self-powered model: 250 VAC/DC – 100 mA; auxiliary power supply (AUX) model: 27 VDC – 27 mA

Protection class – IP 51 (frontal part), IP 20 (terminals)

Operating temperature – -25°C ÷ +55°C

Display – backlighted LCD, 3 rows, 4 digits + symbols

Weight – max. 436 g

Communication interface – RS-485 optoisolated, Modbus RTU/ASCII

Accuracy – voltage: ±0,2% reading in 10% FS…FS range; current: ±0,4% reading in 5% FS…FS range; power: ±0,5% reading ±0,1% FS (PF=1); frequency: ±0,1% reading ±1 digit in 45…65 Hz range; active energy: Class 1 according to IEC/EN 62053-21; reactive energy: Class 2 according to IEC/EN 62053-23

Storage temperature – -25°C ÷ +75°C

Case dimensions – 72 x 90 x 65 mm

Case – DIN TS-35 mounting

Relative humidity – 80% max without condensation

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