General Description; Basic Meter Types; Current And Voltage Ratings; System Connections - Elster A1100 Operating & Maintenance Instructions

6
A1100 - Electronic Polyphase Meter
6

GENERAL DESCRIPTION

6.1

Basic Meter Types

LB... DIN/BS Termination - 8.2mm bores
6.2

Current and Voltage Ratings

Unless otherwise indicated on the nameplate, all meter types are for use with 230V, 50 Hz systems.
A1100
LBxA (direct connected)
LBxB (direct connected)
LBxC (CT operated)
6.3

System Connections

Meters can be supplied for direct connected or CT, 3 element (3 phase, 4 wire) or 2 element (3 phase
3 wire) applications and have the following connection capability:
Number of Elements
Terminal Arrangements
Current Terminals
Auxiliary Terminals
Meter nameplates (see Figure 3 for example) are marked with the rated current, reference voltage,
frequency and relevant meter constant (pulses/kWh).
Connection diagrams (See Figure 5A for examples) are shown underneath the terminal cover.
© Elster Metering Systems - M180 001 1E - 6.2005
Current (Standard)
20 - 100A (BS)
10 - 60A (DIN)
Connection capability
3 3 phase, 4 wire
2 phases of a 3 phase, 4 wire
2 phase, 3 wire
1 phase, 3 wire
1 phase, 2 wire (LCD version only)
2 3 phase, 3 wire
8.2mm diameter bore, 2 x M6 Combi pinch screws
3.2mm diameter bore, M3 Combi pinch screws
Current (Extended)
5 - 100A (BS)
5 - 85A (DIN)
5 -10A
Voltage
220 - 240V
220 - 240V
1 - 2A 220 - 240V
System Voltage (Nominal)
220 - 240V Phase to Neutral
220 - 240V Phase to Phase