Marine Economic Development Demonstration Zone, Wenzhou City, Zhejiang Province, China
How to Choose 30mA, 100mA, or 300mA RCD Protection for Different Applications When selecting an RCD, many buyers and installers focus first on the leakage current rating: 30mA, 100mA, or 300mA. These values look simple, but choosing the wrong one can lead to poor protection, nuisance tripping, or an installation that does not match the […]
Contactor vs Circuit Breaker vs Relay: What Should Control the Load? When you need to control a load, the real question is not which device sounds more advanced. The real question is which device should be responsible for protection, which one should handle switching, and which one should manage the control signal. In many practical […]
What Happens to a Smart Breaker or Smart Energy Meter After a Power Outage? A power outage does not affect every part of a smart electrical system in the same way or at the same speed. In most cases, the device powers back up first, its protective function returns immediately, network connectivity comes back later, […]
Chayo Project Campsite Energy Management System: Denmark Zigbee Case Study Denmark Campsite Energy Management System with Zigbee Smart Devices Managing electricity across a large campsite is not just about visibility. Operators need stable control, reliable communication between distributed electrical points, and a system that can keep running smoothly in daily operation. This Chayo Project shows […]
How RS485, Ethernet, and Wireless Fit into Electrical Monitoring Architectures Choosing the right communication method is one of the most critical decisions in electrical monitoring systems. Whether you are monitoring smart breakers, energy meters, or distribution panels, the communication layer determines how reliable, scalable, and maintainable the entire system will be. RS485, Ethernet-based networking, and […]
Tasmota Firmware: Architecture, Use Cases, and Smart Energy Applications What Is Tasmota? Tasmota is an open-source firmware designed for ESP8266 and ESP32-based IoT devices.It enables local control, advanced automation, and system-level integration without relying on proprietary cloud platforms. Originally developed as an alternative to closed-source firmware found in consumer smart devices, Tasmota has evolved into […]
Remote Monitoring & Alerts: Detect Electrical Faults Early with Smart Breakers Most electrical failures do not happen suddenly.They develop gradually, through small abnormal signals that traditional protection devices are not designed to observe. Smart breakers introduce a new layer of value: early fault visibility.Not by replacing protection standards, but by continuously monitoring electrical behavior and […]
CHAYO OEM/ODM Customization Checklist (2025): From Idea to Mass Production If you are sourcing smart low-voltage electrical products for distribution boards, “OEM/ODM customization” can mean anything from a simple private label program to a full project-ready configuration. The fastest projects are not the ones with the most emails, but the ones with the clearest checklist. […]
Chayo 2025 Annual Review: Global Exhibitions and New Product Highlights Chayo today published its 2025 Annual Review, summarizing the brand’s exhibition journey across key regions and highlighting product progress made throughout the year. The review focuses on two core themes: global exhibitions and new product development, with additional technical updates to be released through Chayo’s […]
Timers are widely used across many industries to control actions based on time. From simple countdown functions to complex automation schedules, timers play a critical role in modern electrical, digital, and smart systems. In general terms, a timer is a device or function designed to measure, control, or trigger events after a preset time interval. […]
To address any concerns regarding our logo update, please note that the EU trademarks “tongou” (Registration No. 018630309) and “Chayo” (Registration No. 019312969) are both owned by Changyou Technology (Zhejiang) Co., Ltd.
This logo update is only a visual upgrade and does not affect the ownership, validity, or exclusive use of the above trademarks. It also has no impact on product quality, performance, specifications, after-sales service, or business cooperation.
All products and services remain consistent and reliable as always.
Marine Economic Development Demonstration Zone, Wenzhou City, Zhejiang Province, China
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