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Manufacturer documented EU перевірено 23 вересня 2026 р.

Identity

category smart_meters
manufacturer WAGO
model 879-3040
region EU

Electrical

accuracy_class_active_energy Class B (= 1 % error); active energy per EN 50470-3
WAGO data sheet 879-3040 - Energy meter (MID); for transformer connection; 1 A / 5 A; 3x230/400V; 50Hz
ct_secondary_current_a [1, 5]
Energy meter (MID26) (879-3040)
direct_current_max_a Not applicable - transformer-connected meter
Energy meter (MID26) (879-3040)
frequency_hz 45 ... 60
WAGO data sheet 879-3040 - Energy meter (MID); for transformer connection; 1 A / 5 A; 3x230/400V; 50Hz
full_designation Energy meter (MID26); for transformer connection; 1 A / 5 A; 3x230/400V; 50Hz; Modbus and M-Bus; 2 x S0 interface; 2PU CT
Energy meter (MID26) (879-3040)
local_modbus_available True
WAGO data sheet 879-3040 - Energy meter (MID); for transformer connection; 1 A / 5 A; 3x230/400V; 50Hz
manufacturer_part_number 879-3040
Energy meter (MID26) (879-3040)
max_current_a 5
WAGO data sheet 879-3040 - Energy meter (MID); for transformer connection; 1 A / 5 A; 3x230/400V; 50Hz
measurement_directions Supply and reference direction (import and export)
WAGO data sheet 879-3040 - Energy meter (MID); for transformer connection; 1 A / 5 A; 3x230/400V; 50Hz
meter_type DIN-rail three-phase energy meter for current-transformer connection (MID)
Energy meter (MID26) (879-3040)
mid_conformity True
WAGO data sheet 879-3040 - Energy meter (MID); for transformer connection; 1 A / 5 A; 3x230/400V; 50Hz
phase_count 3
WAGO data sheet 879-3040 - Energy meter (MID); for transformer connection; 1 A / 5 A; 3x230/400V; 50Hz
physical_interfaces ['RS-485 (2-wire)', 'M-Bus', 'Bluetooth', '2 x S0']
WAGO data sheet 879-3040 - Energy meter (MID); for transformer connection; 1 A / 5 A; 3x230/400V; 50Hz
rated_current_a 1
WAGO data sheet 879-3040 - Energy meter (MID); for transformer connection; 1 A / 5 A; 3x230/400V; 50Hz
rated_voltage_v 3 x AC 230 ... 400 V
WAGO data sheet 879-3040 - Energy meter (MID); for transformer connection; 1 A / 5 A; 3x230/400V; 50Hz
s0_output_count 2
WAGO data sheet 879-3040 - Energy meter (MID); for transformer connection; 1 A / 5 A; 3x230/400V; 50Hz
supported_ct_ratios 1:1 ... 9999:1 / 5:5 ... 9995:5
WAGO data sheet 879-3040 - Energy meter (MID); for transformer connection; 1 A / 5 A; 3x230/400V; 50Hz
tariffs 4
WAGO data sheet 879-3040 - Energy meter (MID); for transformer connection; 1 A / 5 A; 3x230/400V; 50Hz

Physical / mechanical

module_width_mm 36
WAGO data sheet 879-3040 - Energy meter (MID); for transformer connection; 1 A / 5 A; 3x230/400V; 50Hz

Environment

operating_temperature_c -40 ... +70
WAGO data sheet 879-3040 - Energy meter (MID); for transformer connection; 1 A / 5 A; 3x230/400V; 50Hz

Interfaces & connectors

cloud_required False
WAGO data sheet 879-3040 - Energy meter (MID); for transformer connection; 1 A / 5 A; 3x230/400V; 50Hz
documented_ports [{'port_role': 'RS485', 'port_label_from_manual': 'RS-485 (2-wire)', 'port_type': 'RS-485', 'direction': 'bidirectional', 'electrical_domain': 'communication', 'quantity': 1, 'document': 0, 'page': 'Technical data', 'quote': 'Interface/Protocol | "Modbus, M-Bus, Bluetooth, RS-485 (2-wire)"'}, {'port_role': 'DIGITAL_OUT', 'port_label_from_manual': 'S0 interface', 'port_type': 'S0 pulse output', 'direction': 'output', 'electrical_domain': 'communication', 'quantity': 2, 'document': 0, 'page': 'Technical data', 'quote': 'S0 Outputs | "2 x S0 interfaces (configurable)"'}, {'port_role': 'CT', 'port_label_from_manual': 'transformer connection 1 A / 5 A', 'port_type': 'current transformer secondary terminals', 'direction': 'input', 'electrical_domain': 'AC', 'quantity': 3, 'document': 0, 'page': 'Technical data', 'quote': 'Current Transformer Ratio | "1:1 ... 9999 : 1 / 5:5 ... 9995 : 5"'}]
protocols ['Modbus', 'M-Bus', 'Bluetooth']
WAGO data sheet 879-3040 - Energy meter (MID); for transformer connection; 1 A / 5 A; 3x230/400V; 50Hz

Protection

ingress_protection IP51 (front side) / IP20 (connection)
WAGO data sheet 879-3040 - Energy meter (MID); for transformer connection; 1 A / 5 A; 3x230/400V; 50Hz
protection_class II
WAGO data sheet 879-3040 - Energy meter (MID); for transformer connection; 1 A / 5 A; 3x230/400V; 50Hz

Документи

datasheet WAGO data sheet 879-3040 - Energy meter (MID); for transformer connection; 1 A / 5 A; 3x230/400V; 50Hz
product_page Energy meter (MID26) (879-3040)

Додаткові задокументовані параметри

Записано дослівно з джерела; поля схеми для них поки немає.

builder_completenesspartial
region_notesEuropean product: 3 x 230/400 V, 50 Hz, MID conformity assessed to EN 50470-3. WAGO publishes no 60 Hz edition of this item number.