EMM1 Metering Module | Single & Three Phase
EMM1 compact metering module for single- and three-phase systems with built-in transformer. Monitors voltage, current, active power and energy; over/under-voltage and over-current alarms. Tuya WiFi/ZigBee. Models: EMM1-S, EMM1-T. 0.5–63A, IP20.
● Product type: Single & Three Phase Metering Module
● Series: EMM1
● Models: EMM1-S (single-phase), EMM1-T (three-phase)
● Communication: Tuya WiFi / Tuya ZigBee
● Built-in transformer (compact smart power monitoring module)
● Standard: EN 61010-1:2010+A1:2019+AC:2019
● Current specification: 0.5–63A
● Frequency range: 50–60Hz
● Power consumption: ≤ 1.5W
● Measurement: Voltage, Current, Active power, Total active energy
● Alarms: over-voltage, under-voltage, over-current
● Accuracy: Voltage / Current / Active power 1.0 class
● Protection degree: IP20
● Operating temperature: -20℃ ~ +70℃; humidity ≤ 95%
Product Profile
Product Profile
EMM1 Series is a compact smart metering module for single-phase and three-phase power systems. It provides real-time monitoring of voltage, current, active power, and total active energy, and supports over-voltage, under-voltage, and over-current alarm functions. With Tuya WiFi / Tuya ZigBee communication, it is ideal for energy monitoring, industrial control, and smart grid applications.
Key Features
- Compact smart power monitoring module with built-in transformer
- Real-time measurement of voltage, current, active power, and total active energy
- Supports over-voltage, under-voltage, and over-current alarm functions
- Supports Tuya WiFi / Tuya ZigBee communication
- Suitable for industrial control, smart grid, and energy monitoring applications
- Compact size for easy integration into electrical systems
Product tips
Model Preparation Meaning
Model Preparation Meaning
- E — Company code
- MM1 — 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
- EMM1-S — Single-phase metering module
- EMM1-T — Three-phase metering module
Technical Data
Technical Data
| Item | EMM1-S | EMM1-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 | 0.5–63A | |
| Frequency range | 50–60Hz | |
| Power consumption | ≤ 1.5W | |
| Operating temperature | -20℃ ~ +70℃ | |
| Operating humidity | ≤ 95% | |
| Protection degree | IP20 | |
| Product dimensions | 46.7 × 21.2 × 18mm | 85 × 50 × 18mm |
| Measurement and metering | Voltage, Current, Active power, Total active energy | |
| 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 | |
Dimensions
Dimensions
Wiring diagram
Dimensions (mm)
EMM1-S: 46.7 × 21.2 × 18mm, aperture Ø9.4mm. EMM1-T: 85 × 50 × 18mm (drawing also shows 46.7 / 53.8 / 21.2mm views), 3 × Ø9.4mm.
