Meter Specifications; General Specification - Secure Liberty 100 Technical Reference Manual

4 Meter Specifications

4.1 General Specification

Specification
Dimension (in mm)
Weight (in kg)
Front cover
Hub cover
Meter base with terminal block
Terminals
Mechanical
Short terminal block
Sealing provisions
Display
Keypad
Meter Type
Voltage measuring element
Current measuring element
Rated voltage
Rated current
I
min
I
Electrical
tr
I
ref
I
max
Frequency
Burden
Current circuit
Voltage circuit
Metrology LED
Contactor
BGX501-767-R02
146 x 64 x 178
1.0 approx.
Transparent fire-retardant polycarbonate material - V0
grade
Opaque polycarbonate material
Opaque 10% glass filled fire-retardant polycarbonate
material - V0 grade
Brass material; tunnel type each with minimum internal
bore diameter of 10.0 mm
Opaque fire-retardant polycarbonate material - V0 grade
2 seals on the front cover, 2 seals on the hub cover and 1
seal on the terminal block cover
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
Silicon material
1 phase, 2 wire
Voltage divider
Shunt
230 V AC, ± 20% (L–N)
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.
0.5 A
1.0 A
10 A
100 A
50 Hz ± 5%
< 0.1 VA
< 2 W ,< 4 VA average (with Skyline-i 510 fitted)
Red LED, 3200 pulses/kWh
Integral, 100A, UC3 (IEC 62055-31)
Liberty 100 Smart Electricity Meter Technical Reference Manual
Description
0 0
C to +55 C.
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