Wago 879-3041

Energy meter (MID25); for transformer connection; 1 A / 5 A; 3x230/400V; 50Hz; MID and METAS; Modbus® and M-Bus; 2 x S0 interface; 2PU CT

MPN: 879-3041
Category: Energy Measurement Technology

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What is the Wago 879-3041?

Short description:

To optimize energy consumption, comprehensive energy measurement is necessary. WAGO’s portfolio has energy meters that simplify this task while offering several key advantages. They use push-in connection technology with a lever, making them connect quickly and easily. Versions for current transformers are even slimmer at only 35 mm. These slim profiles save a tremendous amount of control cabinet space. In addition to the values for active and reactive energy, the energy meters also record the mains frequency, as well as current, voltage and power for all phases. And the user can conveniently scan all of these energy characteristics at a glance on a large, illuminated display.

Features:

Push-in CAGE CLAMP ® and lever save time at every stage

Real space savings: 35 mm wide (2PU CT)

Measurement of supply and consumption

Energy measurement in four tariffs

The communications pro: M-Bus/Modbus ® interface and two S0 pulse outputs

Full transparency at a glance: display energy quality characteristics on an illuminated full-format display

Intuitive configuration: touch-sensitive controls and configuration app via Bluetooth ®

Specifications

Technical data - Configuration

Configuration options

Touch-sensitive controls, Configuration app via Bluetooth®

Technical data - Input

Input signal type	Voltage, Current
Network configuration	Two-wire, three-wire and four-wire networks
Reference current I<sub>ref</sub>	1 A
Current transformer (secondary)	1, 5 A
Current transformer ratio	1:1 … 9999 : 1 / 5:5 … 9995 : 5
Measured variable	Voltage, Current, Electrical output, Mains frequency
Nominal input voltage U<sub>i nom</sub>	3 x 230 … 400 VAC
Input voltage range	±20 %
Input current I<sub>i</sub>	≤ 5 A
Frequency range	45 … 60 Hz

Technical data - Communication

Communications	Modbus®, M-Bus, Bluetooth®
Interface	RS-485 (2-wire); 2 x S0 interfaces (configurable)
Indicators	LCD with backlight
Rate control input	230 VAC

Technical data - Signal processing

Measured variables (calculated)	Active and reactive energy in supply and reference direction
Measurement type (load profile)	No
Measured value acquisition	for transformer connection

Technical data - Measurement error

Accuracy class	Class B (= 1 % error); Active energy per EN 50470-3
Calibration validity period	8 Jahre

Technical data - Power supply

Power supply type	Via measurement circuit
Power consumption P<sub>max.</sub> (phase; active power)	2 W
Power consumption P<sub>max.</sub> (phase; apparent power)	10 VA

Safety and protection

Dielectric strength	4 kV; 1 min
Impulse withstand voltage (1.2/50 μs)	6 kV
Pollution degree	2
Protection class	II
Protection type	IP51 / IP20; IP51 (front side); IP20 (connection)

Connection data

Connection position	Output bottom (PU)
Design	2PU CT

Connection data - Connection 1

Connection type	Voltage/current
Connection technology	Push-in CAGE CLAMP®
WAGO connector	WAGO 2604 Series
Actuation type	Lever
Strip length	9 … 11 mm / 0.35 … 0.43 inches
Solid conductor	0.2 … 4 mm² / 24 … 12 AWG
Fine-stranded conductor	0.2 … 4 mm² / 24 … 12 AWG
Fine-stranded conductor; with insulated ferrule	0.25 … 2.5 mm²
Fine-stranded conductor; with uninsulated ferrule	0.25 … 2.5 mm²

Connection data - Connection 2

Connection type	Communication/rate control input
Connection technology	Push-in CAGE CLAMP®
WAGO connector	WAGO 2604 Series
Actuation type	Lever
Strip length	9 … 11 mm / 0.35 … 0.43 inches
Solid conductor	0.2 … 4 mm² / 24 … 12 AWG
Fine-stranded conductor	0.2 … 4 mm² / 24 … 12 AWG
Fine-stranded conductor; with insulated ferrule	0.25 … 2.5 mm²
Fine-stranded conductor; with uninsulated ferrule	0.25 … 2.5 mm²

Physical data

Width	36 mm / 1.417 inches
Height	97 mm / 3.82 inches
Depth	63 mm / 2.48 inches
Note (dimensions)	Height with cover: 140 mm

Mechanical data

Mounting type	DIN-35 rail
Housing design	DIN-rail-mount enclosure

Material data

Housing material	PC 940A
Weight	165 g

Environmental requirements

Ambient temperature (operation)	-40 … +70 °C
Relative humidity	≤ 75 % (for storage ≤ 95 %)

Standards and specifications

Conformity marking	CE
Standards/specifications	EN 50470-1/3
Accounting guideline	MID, METAS

Commercial data

PU (SPU)	1 pcs
Packaging type	Box
Country of origin	CN
Customs tariff number	90283019000

Product Classification

UNSPSC	41113630
ETIM 9.0	EC001102
ETIM 10.0	EC001102
ECCN	NO US CLASSIFICATION

Environmental Product Compliance

RoHS Compliance Status

Compliant,No Exemption

879-3041: frequently asked questions

When can 879-3041 be shipped?

879-3041 is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.

Can I pick up 879-3041 in person?

Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.

Is express delivery available?

Yes — mention it when you request a quote for 879-3041 and we'll include express shipping options in our reply.

My factory is down and I need this urgently — can you help?

For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for 879-3041, subject to availability and destination.