System type : single phase, 3 phase 3 wire, 3 phase 4 wires
Accuracy & standard : 1% at IEC1036
Ambient temperature : 0-50 deg C
Humidity : 95% non condensing
Input
Input voltage : 0-500VAC
Input voltage tolerance : 80-120% of Un
Burden : < 0.2VA per phase
Overload conditions : 1.5 x Un continuous
: 4 x Un for 1 second
Input current : 5A(6)
Input current tolerance : 10-120%
Burden : < 0.2VA per phase
Overload conditions : 4 x In continuous
: 50 x In for 1 second
Frequency : 45/65Hz
Auxiliary Supply : 230VAC
Output relay (optional) :
KWhr pulse output : mercury wetted volt free relay
Pulse rate : 1 pulse per kWh / 10 kWh
Pulse duration : 150ms
Enclosure
Display : 16 digit LCD display including 4 decimal places, re-settable
Dimension : DIN 96x96x98mm
Panel mount : via 4 corner bracket and thumb tensioning screws
Panel cutout : 92 + 0.8mm x 92 + 0.8mm
Material : black polycarbonate complying with UL 94VO. The
cover/window is made from plexiglass 7N
Fixing : Snap on DIN rail 35 x 7.5mm complying with DIN 50022
BS5584
Enclosure code : Case IP50 / terminal IP 30 complying with IEC529 BS5490
DIN 40050
Terminal : 3.5mm
Insulation
Test voltage : 4kV RMS 50Hz for 1 min
Impulse test : EMC 5kV transient comply with IEC801 / EN55020
HF interference test : EHF 2.5kV 1MHz comply with IEC255-4
Choice of primary current
CT Ratio (1kWh/pulse) CT Ratio (10kWh/pulse)
1A 600A 3000A
60A 800A 3200A
100A 1000A 3500A
150A 1200A 4000A
200A 1500A 4500A
250A 1600A 5000A
300A 2000A 5500A
400A 2400A 6000A
500A 2500A
Choice of secondary current : 1 or 5A
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