Details

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Introduction

Effortless to install, powerful in performance—3Wire WattCheck is a sleek, intelligent power meter that clips directly onto your MCBs or MCCBs, turning any electrical panel into a smart energy monitoring system.

No DIN rail. No rewiring. Just smart energy insight at your fingertips.

Seamlessly integrated with the Tuya and Smart Life apps, WattCheck lets you track energy usage, voltage, and current in real time—anytime, anywhere. Whether you're managing a home, office, or small business, WattCheck helps you detect issues early, cut down on energy waste, and automate smarter decisions.

Compact, versatile, and future-ready, WattCheck supports both single- and three-phase systems — making it the smart choice for modern energy management.
 

Features

Accurate Monitoring

• Real-time measurement of voltage (V), current (I), and power (P)
• High accurac within ±1% tolerance

Reliable Connectivity

• Supports Wi-Fi or 4G communication
• Seamless integration with various communication protocols

Compact, Space-Saving Design

• Does not occupy DIN rail space
• Slim form factor suitable for both new and retrofit installations

Smart Monitoring & Control

• Bi-directional energy metering
• Real-time chart analysis
• Fault notifications and alarms
• Scene automation for smart energy management

Remote Access via App

• Compatible with Tuya App and Smart Life App
• Access data, control devices, and manage energy usage remotely

Easy Installation

• Mountable on top or bottom of protection/control devices
• Supports cable sizes up to 16mm² via large- aperture design

Specification

Model	3W1110
Rated Working Voltage (Unw)	220~240V AC
Frequency (Hz)	50/60Hz
Maximum Detection Current	63A (1P+N)
Measuring Power tape	U,I,Pf,E
Energy Measurement Accuracy	1
Overvoltage Category	III
Rated Insulation Voltage U	250V
Rated Withstand Impulse Voltage Uimp (Kv)	4Kv
Pollution Grade	3
Protection Grade	IP20
Communication Mode	Wifi
Installation Type	Circuit Breaker Fitting
Aperture	9.8mm
Dimensions (LxWxH) mm	46.8mm x 17.8mm x 21.3mm