3Wire Wattcheck 1P

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

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