Secure Liberty 100 - Meter Specifications; General Specification

BGX501-767-R02
Liberty 100 Smart Electricity Meter Technical Reference Manual
Page 19 of 116
4 Meter Specifications
4.1 General Specification
Specification Description
Mechanical
Dimension (in mm)
146 x 64 x 178
Weight (in kg)
1.0 approx.
Front cover Transparent fire-retardant polycarbonate material - V0
grade
Hub cover
Opaque polycarbonate material
Meter base with terminal block Opaque 10% glass filled fire-retardant polycarbonate
material - V0 grade
Terminals Brass material; tunnel type each with minimum internal
bore diameter of 10.0 mm
Short terminal block
Opaque fire-retardant polycarbonate material - V0 grade
Sealing provisions 2 seals on the front cover, 2 seals on the hub cover and 1
seal on the terminal block cover
Display LCD with backlight, 10 starburst character (7mm high) with
icons. Display visibility angles:
Vertical: 30 degrees up and 35 degrees down from normal
(straight on)
Horizontal: 30 degrees left and right from normal
Display operating temperature range from -20
0
C to +55
0
C.
Keypad
Silicon material
Electrical
Meter Type
1 phase, 2 wire
Voltage measuring element
Voltage divider
Current measuring element
Shunt
Rated voltage
230 V AC, ± 20% (L–N)
Rated current 0.5-10(100) A
The meter can withstand 460 V supply voltage and 120 A
current for 48 hours with no degradation in metrology.
I
min
0.5 A
I
tr
1.0 A
I
ref
10 A
I
max
100 A
Frequency
50 Hz ± 5%
Burden
Current circuit
Voltage circuit
< 0.1 VA
< 2 W ,< 4 VA average (with Skyline-i 510 fitted)
Metrology LED Red LED, 3200 pulses/kWh
Contactor Integral, 100A, UC3 (IEC 62055-31)