• ND Metering Solutions - Rail 350V with Modbus

ND Metering Solutions - Rail 350V with Modbus

by: ND Metering Solutions

Product Code: TPNRAIL350VM

Availability: Next Day 5 Days

Quick overview

The 350 series of meters are the mid-range of meters from ND Metering Solutions.  The Rail 350V with Modbus is a 6 module wide CT operated, DIN Rail mounted electricity meter which also has programmable VT input.  The standard build is for a Current Transformer with a 0.333V output.

The 350 series of meters are the mid-range of meters from ND Metering Solutions.  The Rail 350V with Modbus is a 6 module wide CT operated, DIN Rail mounted electricity meter which also has programmable VT input.  The standard build is for a Current Transformer with a 0.333V output.

The right first time setup includes an auto rotation function for CTs that may have been installed incorrectly.

The ND Metering Solutions series of meters are the only range on the market manufactured in the UK and come with a 5-year warranty.

This meter displays individual phase and total Power (W) and Active Energy (kWh) is recorded to an accuracy better than class 1 and Reactive Energy (kVArh) better than class 2.  It includes a resettable hours run counter (hr) and displays Frequency (Hz) in addition to measuring Power Factor (pf) for each phase and the sum of all phases.  Finally, it records Live to Live and Live to Neutral Voltage (V) and Current (I) on each phase.

As standard the Rail 350 comes with RS485 Modbus and 2 pulse outputs for kWh and kVArh; both are configurable for both duration and rate.

 N.B.  This meter can be pre-wired into a DIN-Rail enclosure.  Click here to see our full range of Enclosures, or click here to find out more about our Pre-Wiring Service.

Meter TypeThree Phase
Fitting TypeDIN Rail
Max Current (amps)n/a
MID ApprovedNo
SmartNo
Input TypeCurrent Transformer (0.333V)
Output TypeRS485 Modbus & Pulse
TariffsSingle
Import / ExportImport Only
Module Width6
Availability5 Day
ConditionNew
BrandND Metering Solutions
Country of ManufactureUK
MEASURED PARAMETERS
Active Energy (kWh)Line Power Factor (PF)
Active Power (W)Line Reactive Power (kVAr)
Apparent Energy (kVAh)Line to Line Voltage (V)
Apparent Power (VA)Line to Neutral Voltage (V)
Average Current (I)Maximum Current (I)
Average Power Demands (W)Maximum Power Demands (W)
Average Voltage (V)Maximum Voltage (V)
Current (I)Power Factor (PF)
Current in Neutral (I)Reactive Energy (kVArh)
Frequency (Hz)Reactive Power (VAr)
Hours Run (hr)Total Harmonic Distortion (Amps)
Line Active Power (W)Total Harmonic Distortion (Volts)
Line Apparent Power (kVA)Voltage (V)
Line Current (I)

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PREVIOUS QUESTIONS

Iraj Farazjou

Q: Does Rail350 meter show the "actual" total PF for any load connected to a 3-Phase feed? Does it actually measure the phase shift (angle) between voltage and current of all 3 phases and provide the total actual value of a reactive load? Further, I understand from the manual that PF measurement (< 0.95) would only be useful if the meter will read all 3 voltages (all 3 phases), while "Balance Voltage Mode" is NOT selected. Is my understanding correct?


A: 

Power Factor is recorded over all three phases, so yes this can be for any load connected to it.

It measures the actual phase shift between voltage and current for all 3 phases and provide actual value for active & reactive load.

Yes you need all three voltages to measure the Power Factor.

Kind Regards,

The Stephen P Wales Team

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