EMM2 Metering Module | Single & Three Phase
EMM2 compact metering module for single- and three-phase systems with external split-core CT (3000:1). Monitors voltage, current, power and energy; over/under-voltage and over-current alarms. Tuya WiFi/ZigBee. Models: EMM2-S, EMM2-T. 0.2–120A, IP20.
● Product type: Single & Three Phase Metering Module
● Series: EMM2
● Models: EMM2-S (single-phase), EMM2-T (three-phase)
● Communication: Tuya WiFi / Tuya ZigBee
● External split-core current transformer (CT), ratio 3000:1
● Standard: EN 61010-1:2010+A1:2019+AC:2019
● Current specification: 0.2–120A
● Frequency range: 50–60Hz
● Power consumption: ≤ 1.5W
● Measurement: Voltage, Current, Power, Energy
● Alarms: over-voltage, under-voltage, over-current
● Accuracy: Voltage / Current / Active power 1.0 class
● Protection degree: IP20
● Mounting: DIN-rail; wall-mounted or screw installation
● Operating temperature: -20℃ ~ +70℃; humidity ≤ 95%
Product Profile
Product Profile
EMM2 Series is a compact smart power monitoring module designed for use with an external current transformer (CT). It enables real-time monitoring of voltage, current, power, and energy consumption, and supports over-voltage, under-voltage, and over-current alarm functions. With Tuya WiFi / Tuya ZigBee communication, it is ideal for industrial control, smart distribution, and energy management applications.
Key Features
- Small intelligent power monitoring module with external split-core current transformer
- Collects line current, voltage, and other parameters in real time
- Supports over-voltage, under-voltage, and over-current alarm functions to help ensure safe equipment operation
- Supports multiple communication interfaces (Tuya WiFi / Tuya ZigBee)
- Suitable for industrial control and smart grid scenarios
- Compact size and easy integration
Model Preparation Meaning
Model Preparation Meaning
- E — Company code
- MM2 — Series code
- Communication: TW = Tuya WiFi; Z = Tuya ZigBee
- Functions: V = overvoltage and undervoltage; C = overvoltage, undervoltage, overcurrent and overload; E = overvoltage, undervoltage, overcurrent, overload and metering
- No. of phase: S = Single-phase; T = Three-phase
Order models on this page
- EMM2-S — Single-phase metering module (external CT)
- EMM2-T — Three-phase metering module (external CT)
Technical Data
Technical Data
| Item | EMM2-S | EMM2-T |
|---|---|---|
| No. of phase | Single-phase | Three-phase |
| Standard | EN 61010-1:2010+A1:2019+AC:2019 | |
| Reference voltage | 90–250V | 208–415V |
| Current specification | 0.2–120A | |
| External current transformer ratio | 3000:1 | |
| Frequency range | 50–60Hz | |
| Power consumption | ≤ 1.5W | |
| Operating temperature | -20℃ ~ +70℃ | |
| Operating humidity | ≤ 95% | |
| Protection degree | IP20 | |
| Product dimensions | 40 × 40 × 18mm | 87 × 18 × 65.5mm |
| Communication | Tuya WiFi / Tuya ZigBee | |
| Voltage accuracy | 1.0 class | |
| Current accuracy | 1.0 class | |
| Active power accuracy | 1.0 class | |
| Overvoltage protection | Yes | |
| Undervoltage protection | Yes | |
| Overcurrent protection | Yes | |
| Method of mounting | DIN-rail mounting; wall-mounted or screw installation | |
Dimensions
Dimensions
Wiring diagram
Dimensions (mm)
EMM2-S: 40 × 40 × 18mm. EMM2-T: 87 × 18 × 65.5mm (drawing also shows 85 / 17.5 / 35.4mm detail views).
