Description
The MultiPower M850 is a low cost 96x96mm cased three phase power meter.
It measures line Voltages and Currents, Neutral Current, System Frequency, System W, A and VA Demands, System W, A and VA Maximum Demands, System Active Power, System Reactive Power, System Apparent Power, System Active Energy, System Reactive Energy and System Power Factor.
The LCD version has a universal power supply. It features the options of pulsed outputs, an RS485 port using Modicon’s Modbus protocol and Modbus MSTP over an ethernet network.
The RS485 option includes a configurable pulsed output.
For extra information on additional variations, please visit our website here, or contact Multitek-Ltd directly.
Specification
Input (accuracy range)
Un 28V to 330V L-N (48V to 570V L-L)
Burden < 0.5VA
In (5A specified) 0.5A to 6A via CT
In (1A specified) 0.1A to 1.2A via CT
Burden < 0.5VA
Frequency 45Hz to 65Hz
Secondary of CTs must be connected to earth
Input (working range)
Voltage and Current 1.7% – 100%
Overload
800V L-L indefinitely, In x 10 for 1 sec
Accuracy (8.4% – 100% of range)
Voltage 0.5% +/- 2 digits
Current 0.5% +/- 2 digits
Power (W,VAr,VA) 1.0% +/- 2 digits
Power Factor 1% of range
Frequency 0.1 Hz
Energy IEC 1036 Class 1
Auxiliary Voltage
100V to 440V ac (45Hz to 65Hz)
100V to 420V dc
Burden: < 10VA
Display
Digits 3 lines 9999
Digit size 14.2mm 7 segment
Energy 1 line 99999999
Digit size 6mm 7 segment
Update time 1 second
Insulation
Installation Category III (480V ph/ph)
Degree of Pollution 2
Rated Impulse Voltage IEC 60947-1-V imp 4kV
Meter Front Class II
Electrical Security IEC 61010-1
Electromagnetic Compatibility
Immunity:
ESD IEC 61000-4-2-Level III
Radiated IEC 61000-4-3-Level III
Fast Transient IEC 61000-4-4-Level III
Impulse Waves IEC 61000-4-5-Level III
Conducted IEC 61000-4-6-Level III
Voltage Dips/Short Interruptions IEC 61000-4-11-Level II
Emissions:
Conducted and Radiated CISPR11-Class A
Environment
Working Temperature LCD -20 to 70 deg C
Storage Temperature -30 to 80 deg C
Relative Humidity 0-95% non condensing
Shock 30G in 2 planes
Enclosure
Standard DIN case 96 x 96 x 60mm
Panel mounting 4 retaining clips
Cutout 92.8mm x 92.8mm
IP Rating – Front IP52 / Nema
IP Rating – Case IP30 / Nema
Options
Plug-in RS485 module (Modbus)
Plug-in relay module (W.h VAr.h)
19V-69V d.c. Auxiliary
