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Lovato DME D332 - Technical Specifications; Manual Revision History

Lovato DME D332
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TECHNICAL SPECIFICATIONS
Auxiliary supply
Rated voltage Us 220-240V
L-N / 380-415V
L-L
The device may operate with or without neutral
Voltage range 187-264V
L-N / 323-456V
L-L
Rated frequency 50/60Hz
Frequency range 45-66Hz
Power consumption/dissipation 3.5VA / 2.7W
Current
IEC maximum current (Imax) 6A
IEC minimum current (lmin) 0.05A
IEC rated current (Iref - Ib) 5A
IEC start current (Ist) 0.005A
IEC transition current (Itr) 0.25A
Burden (per phase) 0.3W
Tariff control circuit
Rated voltage Uc 100-240V
Voltage range 85-264V
Rated frequency 50/60Hz
Frequency range 45-66Hz
Power consumption/dissipation 0.25VA / 0.18W
Accuracy
Active energy (IEC/EN 62053-22) Class 0.5s
LED pulse
Pulse rated 10.000 puls/kWh (referred to CT secondary)
Pulse duration 30ms
M-Bus interface
Baud-rate Programmable 300 - 38400 bps
Bus length According to M-Bus specification
Current 3mA (2 unit load)
Insulation
IEC rated insulation voltage Ui 250V
(L-N) 415V
(L-L)
IEC rated impulse withstand voltage Uimp 6kV
IEC power frequency withstand voltage 4kV
I511 GB I 09 17 31100346
G
B
Measurement and tariff power supply circuit connection
Type of terminal Screw-type (fixed)
Number of terminals 4 for supply / measurement
2 for tariff selection input
Cable cross section (min…max) 0.2…4.0mm² (24...12 AWG)
Tightening torque 0.8Nm (7 lbin)
Current input and interface connections
Type of terminal Screw-type (fixed)
Number of terminals 6 for CT connections
Cable cross section (min…max) 0.2…2.5mm² (24...12 AWG)
Tightening torque 0.44Nm (4 lbin)
Ambient conditions
Mounting For indoor use only
Operating temperature −25 – +55°C
Storage temperature −25 – +70°C
Relative humidity <80% (IEC/EN 60068-2-70)
Maximum pollution degree 2
Overvoltage category 3
Altitude 2000m
Climatic sequence Z/ABDM (IEC/EN 60068-2-61)
Shock resistance 15g (IEC/EN 60068-2-27)
Vibration resistance 0.7g (IEC/EN 60068-2-6)
Housing
Version 4 modules (DIN 43880)
Mounting 35mm rail (IEC/EN 60715) or screw-type by means
of removable clips
Material Polyamide RAL 7035
Degree of protection IP40 on front; IP20 terminals
Weight 332g
Certifications and compliance
Certifications obtained EAC
Reference standards IEC/EN 61010-1, IEC/EN 61010-2-030, EN 50470-1
To guarantee the required protection, the instrument must be installed in container with minimum protection rating of IP51
(IEC/EN 60529).
GB
14