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Carlo Gavazzi EM340 (e.g. EM340DINAV23XS1PFA)

Official manufacturer EU / global verified Aug. 31, 2026

Identity

category smart_meters
ean UNKNOWN
example_sku EM340DINAV23XS1PFA
manufacturer Carlo Gavazzi
market_version CE (Europe), MID (fiscal metering), UKCA (UK)
model EM340 (e.g. EM340DINAV23XS1PFA)
mpn EM340DINAV23XS1PFA
ordering_code_structure EM340-DIN AV2 3 X O1/S1/M1 PF A/B - AV2 = 208 to 400 VLL AC, 5(65)A direct connection; 3 = 3-phase 3 or 4 wire / 2-phase 3 wire; X = self power supply -20% +20% of rated measuring input voltage, 45 to 65 Hz; O1 = pulse output; S1 = RS485 Modbus port; M1 = M-Bus port; PF = certified according to MID Directive, can be used for fiscal (legal) metrology; A = both directions, B = positive energy only
product_family EM340 DIN three-phase energy analyzer
product_status active
region EU / global
sku EM340DINAV23XS1PFA

Electrical

accuracy_class_documented Active energy: Class 1 per EN 62053-21 and Class B (kWh) per EN 50470-3; reactive energy: Class 2 per EN 62053-23; current/voltage +/-0.5% RDG; voltage phase-neutral +/-(0.5% RDG) in the Un range; voltage phase-phase +/-(1% RDG)
ct_ratio N/A (direct connection model, 5(65)A rating)
export_limitation_support UNKNOWN
frequency_hz 45 to 65 Hz
max_current_a 65
max_current_imax_a 65
EM340 DIN Datasheet (EM340 DS ENG, 280222) — datasheet p.3, '5(65)A', 'Maximum current 65A'
measurement_type direct
minimum_current_a 0.25
modbus_rtu True
modbus_tcp UNKNOWN
nominal_voltage 208 to 400 VLL AC; operating range 113 to 265 VLN (196 to 460 VLL); product page states 120 to 230 V L-N, 208 to 400 V L-L
phase_type three-phase
power_consumption Self power supply: <= 1 W, <= 10 VA
pulse_output Open collector PNP, for pulse output proportional to active energy (kWh); rate selectable in multiples of 100; ON duration selectable 30 ms or 100 ms; max 500 or 1500 kWh according to pulse ON duration; VON 1 VDC max 100 mA, VOFF 80 VDC max
rated_current_ib_a 5
rs485 True
starting_current 20 mA
EM340 DIN Datasheet (EM340 DS ENG, 280222) — datasheet p.3, 'Start-up current 20mA'
supported_inverter_brands_models ["Victron Energy (officially rebranded as 'ET340' for GX/Cerbo ecosystem)"]
wiring_configurations Two-phase 3-wire (Fig.1); three-phase 3-wire (Fig.2); three-phase 4-wire (Fig.3)

Physical / mechanical

depth_mm 63
EM340 DIN Datasheet (EM340 DS ENG, 280222) — datasheet p.5
din_module_width 3-DIN module
enclosure_material Noryl, self-extinguishing: UL 94 V-0
EM340 DIN Datasheet (EM340 DS ENG, 280222) — datasheet p.5, 'Noryl, self-extinguishing: UL 94 V-0'
height_mm 90
EM340 DIN Datasheet (EM340 DS ENG, 280222) — datasheet p.5
mounting_type ['DIN-rail']
shipping_weight_kg UNKNOWN
terminal_wire_range Measuring inputs max. 16 mm2, min. 2.5 mm2 with/without metallic cable ferrule; other terminals 1.5 mm2
torque_specs Measuring inputs max screw torque 2.8 Nm; other terminals min./max. torque 0.4 Nm
EM340 DIN Datasheet (EM340 DS ENG, 280222) — datasheet p.5, 'Max screw torque 2.8 Nm' (measuring inputs); 'Min./Max. torque: 0.4 Nm' (other terminals)
weight_kg 0.24
EM340 DIN Datasheet (EM340 DS ENG, 280222) — datasheet p.5, 'Approx. 240 g (packing included)'
width_mm 54
EM340 DIN Datasheet (EM340 DS ENG, 280222) — datasheet p.5, 'Dimensions (W x H x D) 54 x 90 x 63 mm'

Installation

indoor_outdoor indoor (front IP51, terminals IP20)
max_installation_altitude_m UNKNOWN

Environment

ip_rating Front: IP51; Terminals: IP20
EM340 DIN Datasheet (EM340 DS ENG, 280222) — datasheet p.5, 'Protection (Front) IP51', 'Protection (Terminals) IP20'
max_altitude_m UNKNOWN
operating_temperature_c -25 to +55 (PF/MID option); -25 to +65 (X option)
pollution_degree UNKNOWN
relative_humidity R.H. < 90% non-condensing @ 40 C
storage_temperature_c -30 to +80

Interfaces & connectors

baud_rates 9.6, 19.2, 38.4, 57.6, 115.2 kbaud
EM340 DIN Datasheet (EM340 DS ENG, 280222) — datasheet p.4, '9.6, 19.2, 38.4, 57.6, 115.2 kbaud'
data_refresh 1 sec
max_bus_length_m UNKNOWN
max_devices_per_bus Maximum 247 devices on the same bus
EM340 DIN Datasheet (EM340 DS ENG, 280222) — datasheet p.4, 'Maximum 247 devices on the same bus'
mbus M-Bus option (M1)
modbus_address_range 1 to 247 (default: 01)
modbus_rtu yes - 'ModBus RTU (slave function)'
modbus_tcp no (not offered on the DIN RS485 model)
pulse_outputs 1 (O1 option, open-collector PNP)
rs485 yes (S1 option) - Modbus RTU slave

Controls & display

buttons 3 touch keys (DOWN, Enter and UP)
display_type Backlit LCD, 3 rows by 8-digit each, h 7 mm (energy readout 8 digit, variable readout 4 digit)
EM340 DIN Datasheet (EM340 DS ENG, 280222) — datasheet p.4, 'Backlit LCD, 3 rows by 8-digit each, h 7 mm'
leds Flashing red light, pulses according to EN 50470-3 / EN 62052-11, 1000 imp./kWh
local_display True

Protection

insulation_voltage Dielectric strength 4000 VAC RMS for 1 minute
overvoltage_category Cat. III
EM340 DIN Datasheet (EM340 DS ENG, 280222) — datasheet p.5, 'Overvoltage category Cat. III'
protection_class UNKNOWN
utilisation_category UC2

Certifications

metrology ['EN 62053-21', 'EN 50470-3', 'EN 62053-23', 'IEC/EN 61557-12']
other []
regional ['CE', 'MID 2014/32/EU (PF option only)', 'UKCA']
safety ['EN 62052-11']

Warranty & service

standard_years UNKNOWN

Documents

datasheet EM340 DIN Datasheet (EM340 DS ENG, 280222) rev 28/02/2022
installation-manual {# Located but never retrieved: listed, but deliberately not linked, and it backs no stored value. #} EM340 Installation Manual (EM340_IM) — located, not retrieved
product-page Carlo Gavazzi product page EM340DINAV23XS1PFA

Additional documented parameters

Recorded verbatim from the source; no schema field exists for these yet.

Data refresh1 sec
LEDFlashing red light pulses according to EN50470-3, EN62052-11, 1000 imp./kWh
Pulse output loadVON 1 VDC max. 100mA; VOFF 80 VDC max.
Utilisation categoryUC2

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