M3 · Single-phase 4G meter

Built-in 4G Cat1 connects each meter directly to the cloud without a separate gateway. For scattered rental properties, individual shops and multiple locations.

Description

An individual connection at each location

M3 connects through 4G Cat1 without a separate on-site gateway. It suits scattered properties or shops where shared communication cabling is impractical.

Interfaces and supporting equipment

An internal 4G antenna and one RS485 port on the right side. Before installation, check local cellular bands, signal at the meter enclosure and the SIM data plan.

When requesting a quotation

Provide the installation region, number of meter points and site conditions. Include interface requirements if connecting to an existing platform.

Download the DCZD full-range catalogue (Simplified Chinese PDF)

Based on catalogue V2. Images are product illustrations. Functions and supporting equipment depend on the supplied version; complete-device and platform integration testing is pending. Device current ratings, accuracy class and certifications are not specified here.

Specifications

Phase

Single-phase

Connection

4G Cat1 + RS485

Cloud access

Direct cloud access through 4G

Supporting equipment

SIM and data plan; no separate gateway

Mounting

DIN rail

Dimensions

36 × 91 × 70.5 mm (W × H × D)

Power supply

AC 110–240 V, auto-ranging

Interface

1 RS485 port; one A/B pair on the right

Antenna

Internal 4G antenna

Panel

RST / DISP / ON (green) / PF (red) / A / B

Source version

DCZD full-range catalogue V2 · 2026-10-15

Model designation

M3

Enterprise access

RS485 + AG271X evaluation; confirm protocol and version