ABB A43 User Manual

Technical data
A43/A44 78 2CMC48001M0201
User Manual Revision: C
Terminal wire area
0.5 - 1 mm²
Recommended tightening torque
0.25 Nm
Inputs
Voltage
0-240 V AC/DC
Off
0-5 V AC/DC
ON
57-240 V AC/24-240 V DC
Min. pulse length and pulse pause
30 ms
Terminal wire area
0.5 - 1 mm²
Recommended tightening torque
0.25 Nm
Communication
Terminal wire area
0.5 - 1 mm²
Recommended tightening torque
0.25 Nm
M-Bus
EN 13757-2, EN 13757-3
Modbus
Modbus Application Protocol Specification V1.1b
EQ-Bus
IEC 62056-42, 62056-46, 62056-53, 62056-61, 62056-62
Pulse indicator (LED)
Pulse Frequency
1000 imp/kWh
Pulse length
40 ms
EMC compatibility
Impulse voltage test
6 kV 1.2/50µs (IEC 60060-1)
Surge voltage test
4 kV 1.2/50µs (IEC 61000-4-5)
Fast transient burst test
4 kV ( IEC 61000-4-4 )
Immunity to electromagnetic HF-fields
80 MHz - 2 GHz at 10 V/m (IEC 61000-4-3)
Immunity to conducted disturbance
150kHz – 80MHz, ( IEC 61000-4-6 )
Immunity to electromagnetic distur-
2-150 kHz for kWh-meters
bances
Radio frequency emission
EN 55022, class B (CISPR22)
Electrostatic discharge
15 kV ( IEC 61000-4-2 )
Standards
IEC 62052-11, IEC 62053-21 class 1 & 2, IEC 62053-23 class
2, IEC 62054-21, GB/T 17215.211-2006, GBT 17215.321-
2008 class 1 & 2, GB 4208-2008, EN 50470-1, EN 50470-3
category A & B
Specifications for A44 transformer connected meter
Voltage inputs
Nominal voltage
3x230/400 V AC
Voltage range
3x57.7-400/100-690 V AC (-20% - + 15%) on A44 xxx-x1x
3x57.7-288/100-500 V AC (-20% - + 15%) on all other types
Power dissipation voltage circuits
1.9
VA (0.8 W) total at 230 V AC
Power dissipation current circuits
0.001 VA (0.001 W) per phase at I
ref
Terminal wire area
0.5
- 10 mm²
Recommended tightening torque
2
Nm

ABB A43 Specifications

General

Brand	ABB
Model	A43
Category	Measuring Instruments
Language	English