INPUT
Rated Un
Direct connected voltages between 57.8 and 600V

Standard voltages offered:
3 phase 4 wire:
63.5/110V, 69.3/120V, 120/208V, 220/380V, 230/400V, 240/415V, 277/480V 

3 phase 3 wire:
110V, 120V, 380V, 400V, 415V, 440V, 480V

Accuracy Range          20-120% Un
Burden                                    0.5VA per phase
Overload                     1.5 x Un continuous
4 x Un for 1 second

Rated In                       1 or 5A
Working Range           20-120%
Burden                        0.5VA per phase
Overload                     4 x In continuous, 50 x In for 1 second
Frequency                   45/65Hz (nominal)


SYSTEMS
Single phase
Single phase 3 wire
3 phase 3 wire unbalanced load
3 phase 4 wire unbalanced load


ACCURACY
Volt                              0.5% of reading ± 2 digits
Amps                           0.5% of reading ± 2 digits
Frequency                   0.1Hz ± 1 digit
Power Factor               1% of reading ± 2 digits
Active Power               1% of reading ± 2 digits
Reactive Power           1% of reading ± 2 digits
Active Energy              1% of reading (IEC 1036)
Reactive Energy          1% of reading (IEC 1036)
Apparent Power          1% of reading ± 2 digits
Demands                     1% of reading ± 2 digits

AUXILIARY
AC Voltage
115V / 230V / 400V (± 15%)
45 to 65 Hz burden < 7 VA


APPLIED STANDARDS
General                       IEC 688 BSEN60688, BS4889, IEC 359
EMC Emissions            BSEN50081/2
Immunity                     BSEN50082/2
Safety                          IEC 1010, BSEN601010


INSULATION
Test Voltage
3 kV RMS 50Hz for 1 min between inputs / case / relay output
( 2.5kV between RS232 output / inputs / case / relay )

Impulse Test
EMC 5kV transient comply with IEC 801 / EN 55020HF

Surge Withstand
IEC 801 / EN55020 / ANSI C37.90A

Interference
EHF 2.5 kV 1 MHz comply with IEC 255-4

Protection Class II
complying with IEC348 / BS4753 / DIN 57411 / VDE 0411

APPROVALS
UL, C-UL, CSA 

DISPLAY
LCD
Custom 6 digit plus parameter displayed
7mm high characters
Characters black, green backlighting

CONTROLS
Two front controls for scrolling up or down, through parameters being displayed.
Used for programming

PARAMETERS DISPLAYED
Phase and Line Volts  (V)
3 phase 3 wire and 3 phase 4 wire:
L-1-L2, L2-L3, L1-L3

Single phase and 3 phase 4 wire (wye connection):
L1-N, L2-N, L3-N

Phase Amps  (I)
L1, L2, L3

Frequency  (Hz)          
PowerFactor  (PF)
Active Power  (W, kW, MW) 
Reactive Power  (VAr, kVAr, MVAr)
Active Energy  (kW.h)
Reactive Energy  (kVAr.h)
Apparent Power  (VA, kVA, MVA)
Amp Demand
Active Power Demand (Watt Demand)

RELAY
W.h. or VAr.h              SPNO (normally open volt-free contacts)
Rated 50V
Pulsed Output             150mA, 5W AC/DC
Pulse Rate                   Automatically set
Pulse Duration            Programmable in steps of 20 msec
Range from 20 msec to 200 msec 


ENVIRONMENTAL
Temperature Ranges:
Working          0 to +50 deg C / +32 to 122 deg F
Function          -5 to +60 deg C / +23 to 140 deg F
Storage            -10 to +65 deg C / +14 to 149 deg F
Temp. Coefficient       0.01% per deg C
Relative Humidity       0-95% non-condensing
Warm up time            1 min. 
Shock                           30g in 3 planes

ENCLOSURE
Standard DIN case      DIN 96 x 96 x 98mm
Panel mount                via 4 corner brackets
Panel cutout                92 + 0.8mm x 92 + 0.8mm
Material                      Black Polycarbonate
(complies with UL 94 VO)
Terminals                    Screw terminal for 2 x 0.5-3.5mm
Weight                        0.6 kg / 1.32 lbs.


OPTIONS
Pulsed output              W.h or VAr.h  (M802-MD* only)
User programmable
DC Auxiliary                12V, 24V, 30V, 48V, 110V, 125V 


COMMUNICATION
Output                         RS232
RS485 (MODBUS)
Baud Rate                   19200, 9600, 4800, 2400 (programmable)
Parity                           Odd, even or none (programmable)
Stop bits                      1 or 2 (programmable)
Addresses                    1 to 247 (programmable) (RS485 only)
Transmission distance RS232:  15 meters
RS485:  1.2kM
Connections
RS232                          + & --
RS485                          + , -- & Shield (screen)
Note:  Shield connection on RS485 units only