Elster A1140 - Technical Data and Specifications

36 A1120/40 - Electronic Polyphase Meter
© Elster Metering Limited - M181 001 2G - 5/2010
25 TECHNICAL DATA
Current: Standard Range (direct connected)
Extended Range (direct connected)
Standard Range (CT operated)
Extended Range (CT operated)
20 - 100A, 10 - 100A
5 - 100A
1 - 2A, 5 - 10A
1 - 10A
Frequency
Reference Voltage
Voltage Operating range
System Connection - 2 element meter
- 3 element meter
50 or 60Hz
220V - 240V (L – N)
220V - 240V (L – L)
105V - 127V (L – N)
105V - 127V (L – L)
±20%
3 phase 3 wire
3 phase 4 wire
2 phases of 3 phase 4 wire
2 phase 3 wire
1 phase 3 wire
1 phase 2 wire
Short Circuit Current
Burden of Voltage Circuits 230V
Burden of Current Circuits (10 – 100A meter)
Burden of CT Operated Meters
Insulation
Impulse Withstand
30 Imax
0.8W, 1.3VA
4VA @ 100A/phase [max]
0.22VA per phase
4kV RMS
12kV 1.2/50μs 40 ohm source
Display 9.8mm characters, high contrast, wide viewing angle
Meter Constant (pulsing LED output) 1,000 p/kWh (kvarh) Direct connected
10,000p/kWh (kvarh) CT Operated
Approximately 6ms Pulse width
Pulse Output Specification
SO Output (12 kV isolation)
100mA Relay Output (12 kV isolation)
300mA Relay Output (12 kV isolation)
27V d.c. 27 mA, IEC 62053-31 (Transistor Output)
230V a.c or d.c, 100mA
230V a.c 300mA
Product Life
Certified Life
15 years
10 years
Temperature
Humidity
Operational range: -25° C to +65° C
Storage Range: -25° C to +85° C
Condensing (See note below)
Annual Mean 75% (95% for 30 days spread over one year)
Maximum Dimensions
Weight
233mm (High) x 174 mm (Wide) x 50mm (Deep)
904 grams
Accuracy Class kWh
kWh
kvar
EN 62053-21/22 - Class 0.5s, 1 or 2
EC Directive 2004/22/EC (MID) - Class A, B or C
EN 62053-23 - Class 2 or Class 3
Case DIN 43857 Part 2 and Part 4 (except for top fixing centre)
IP53 to IEC 60529:1989
EMC Directive 89/336/EEC
Terminals Main
Auxiliary
8.2mm bores, M6 Terminal Screws – max torque 2.8 N m
9.0mm bores, M6 Terminal Screws – max torque 2.8 N m
9.5mm bores, M6 Terminal Screws – max torque 2.8 N m
3.2 mm bores, M3 Terminal Screws – max torque 0.45 N
Note: Sample meters have successfully passed the “Damp heat cyclic” test given in section 6.3.4 of
EN50470-1. However, for maximum operational life, it is recommended that installation sites are
chosen where condensation is unlikely to occur.