Name: A3-TW-E1 Intelligent Protection Switch
Brand: MY SHOP

Description

Product Overview

A3-TW-E1 adopts a 4P modular design and is compatible with standard DIN rail installation. It is a new generation intelligent protection switch for the high-end market. The product is equipped with a high-performance multi-core microprocessor chip, which retains basic protection functions such as overload, short circuit, and leakage, while adding real-time monitoring of three-phase voltage and current, power quality analysis, fault warning, and 5G/Wi Fi dual protocol communication functions. It can seamlessly integrate with cloud energy management systems to achieve centralized monitoring, data statistics, and intelligent analysis of distribution circuits. Its advanced edge computing capability can complete data processing and decision-making locally, reduce cloud dependence and improve response speed. The product supports custom protection strategies and scenario based configurations, meeting users' high-end needs for intelligent upgrading of complex distribution systems, and helping users improve distribution management efficiency and equipment reliability through digital means.

Main Features

1. High precision three-phase four wire protection system
Optimizing the protection curve for three-phase four wire load characteristics, it has multiple core functions such as overload inverse time protection, short-circuit instantaneous protection, leakage grading protection, overvoltage and undervoltage protection, and phase loss protection. It supports custom action thresholds and delays, effectively balancing protection sensitivity and system stability; The power-off memory function ensures that parameters are not lost and automatically operates according to the original strategy after power is restored.
2. Full dimensional power quality monitoring
Equipped with high-precision current and voltage sensors and power quality analysis modules, real-time collection of key parameters such as phase voltage, current, power, power factor, harmonic content, etc., with a data update frequency of 10 times per second, providing comprehensive data support for energy efficiency analysis, fault prediction, and power quality management of distribution systems.
3. Intelligent fault warning and multi-level alarm
Based on edge computing and AI algorithm, realize fault early warning of distribution circuit and identify potential risks in advance; Support multiple mechanisms including local sound and light alarms, remote platform alarms, SMS alarms, and email alarms. When a fault occurs, the alarm is immediately triggered and the fault type, location, and detailed data are uploaded, making it easy for operation and maintenance personnel to quickly respond and accurately troubleshoot.
4. Industrial grade high reliability and environmental adaptability
Adopting UL94 V-0 flame retardant shell, capable of withstanding high temperatures up to 1300 ℃; The contact system has undergone 100000 mechanical life tests and has an IP40 protection level. It supports operation in a wide temperature range of -20 ℃ to 60 ℃, meeting the stable operation requirements of complex industries and extreme environments.
5. Lightweight intelligent upgrade and open compatibility
Intelligent upgrade can be achieved by directly replacing traditional circuit breakers without the need to modify the original distribution architecture; It supports 5G/Wi Fi/RS485 multi protocol communication, is compatible with mainstream energy management systems and industrial Internet platforms, supports open API interfaces, and is convenient for users to conduct secondary development and system integration.

Application Scenarios

1. Large manufacturing workshops and industrial production lines
Applied to the distribution circuit of three-phase four wire loads such as large CNC machine tools, automated production lines, and heavy equipment, it achieves precise protection, power quality monitoring, and fault warning, reduces equipment failure rates and downtime losses, and improves production efficiency.
2. Data center and communication base station
As a protection terminal for core loads such as UPS systems, server clusters, and communication equipment in data centers, it achieves real-time power quality monitoring and intelligent fault warning, ensuring the continuous and stable operation of data centers.
3. Commercial complexes and high-end office buildings
Connect to the building energy management system to achieve centralized monitoring, data statistics, and intelligent analysis of three-phase four wire main circuits such as central air conditioning, elevators, and public lighting, improving the energy management level and operation efficiency of commercial buildings.
4. Rail Transit and Airport Hubs
Used for the distribution circuit of three-phase four wire loads in rail transit signal systems, airport baggage sorting equipment, terminal lighting systems, etc., to achieve remote monitoring and fault alarm, ensuring the safe and stable operation of transportation hubs.
5. Medical and research institutions
Provide precise protection and power quality monitoring for three-phase four wire loads such as large medical equipment, laboratory precision instruments, and scientific research facilities, ensuring the continuity and safety of medical and scientific research activities.

Product Introduction

Technical Parameters

Reference voltage	220V、230V
Specified operating voltage	90%Un-110%Un
Extended operating voltage	80%Un-115%Un
Current specification	6-63A
Frequency range	(50-60)Hz
Power consumption	Voltage circuit:≤1.5W
Communieation	Cloudintelligence 4G	□
	Tuya WIFI	□
	Rs485	□
Operating temperature	-20℃~70℃
Operating humidity	≤95%
Dustproof and waterproof	Ip20
Product size	91.3mm36mm65.5mm
Measurement Accuracy	Voltage: ±10V(GV)
	Voltage and current accuracy:1%(4G)Energy accuracy: 2% (4G)
	Voltage and current accuracy:2%(TW)Energy accuracy: 2% (TW)
Active power accuracy	Class 2.0
Overvoltage protection	Protection switch: overvoltage value;	☑
Overvoltage protection	recovery value; judgment and recovery time.	☑
Undervoltage protection	Protection switch: undervoltage value;	☑
Undervoltage protection	recovery value; judgment and recovery time.	☑
Overcurrent protection	Protection switch: overcurrent value;	□
Overcurrent protection	judgment time.	□
Overpower protection	Protection switch: over power value;	□
Overpower protection	judgment time.	□

Product Wiring And Dimensional Diagram

Panel Diagram