Chayo Smart

Chayo Smart Smart Choices, Smart Living: Benefit Your Life Every Day Thus, our products are novel in design, excellent in workmanship and top reliable in quality.

Etablished in 1993, TONGOU Electrical is one of the most specialized manufacturers and exports for modular electric terminal devices for household,commerical,industrial and similar installations in china. The wide range products under manufacturing covers Miniature Citcuit Breaker(MCB), Residual Current Circuit Breaker(RCCB), Residual Current Circuit Breakers with Overcurrent Protection(RCBO), Swi

tch- disconnector, Distribution Box, Moulded case circuit breaker(MCCB), air circuit breaker(ACB), AC Contactor, Magnetic Starter, Motor Protection Circuit Breaker and Thermal Relay etc. The company takes the reputation as one of the largest manufacturer of electromagnetic type RCCB and RCBO. OEM or ODM projects are fully accepted, and currently the company is co-operating with numbers of renowned international corporations for such project. In order to create distinguished achievement,we insist on “3S” – “SAFE with (Warranty, qualification, fully tested) ,SAVE with ( Time, Cost, Energy), Smile with(Service,Future, Attitude)”

TONGOU Electrical possesses full line of high-tech production equipment and great strength of technology support besides advanced designation forces powered by the first class engineering teams with super industrial computer systems. Experience in manufacturing under customers design, trade, biding project, OEM and competitive cooperation related to the new products & technology. Won approvals of CE, SEMKO, CB, CCC and ISO9001 Quality System Certificate etc. Products being popular around the world, such as Europe, America, Southeast Asia, Middle East, Africa, etc.

Smart Protection. Smarter Control.The TOSMR1 Wi-Fi Type A RCBO combines electrical protection, energy monitoring and aut...
21/08/2026

Smart Protection. Smarter Control.

The TOSMR1 Wi-Fi Type A RCBO combines electrical protection, energy monitoring and automatic reclosing in one compact DIN rail device.

✔ Type A leakage protection
✔ 30mA residual current protection
✔ 1–40A rated current
✔ Wi-Fi 2.4 GHz connectivity
✔ Automatic reclosing
✔ Real-time energy metering
✔ Circuit protection

A practical smart RCBO solution for modern residential and commercial electrical systems.

Meet Chayo at Middle East Energy 2026 in Dubai!Discover our latest smart electrical solutions, including intelligent cir...
20/08/2026

Meet Chayo at Middle East Energy 2026 in Dubai!

Discover our latest smart electrical solutions, including intelligent circuit protection, energy monitoring and DIN rail control products.

📅 1–3 September 2026
📍 Dubai World Trade Centre (DWTC)
📌 Booth H6 F32

We look forward to meeting our partners, distributors and industry professionals in Dubai.

See you at MEE 2026!

Type A Residual Current Circuit BreakerChayo Type A RCDs detect both AC residual current and pulsating DC residual curre...
18/08/2026

Type A Residual Current Circuit Breaker

Chayo Type A RCDs detect both AC residual current and pulsating DC residual current, providing reliable protection for modern electrical installations.

✔ Type A residual current detection
✔ Clear DIN rail installation
✔ Reliable protection for residential, commercial and industrial applications

Chayo — Professional Low-Voltage Electrical Solutions

Why do global partners choose Chayo?Because we offer more than products — we provide long-term support for your business...
13/08/2026

Why do global partners choose Chayo?

Because we offer more than products — we provide long-term support for your business.

✔ Official Tuya partnership & API integration
✔ OEM & ODM customization
✔ OTA updates and lifecycle technical support
✔ CB, CE, FCC, RoHS & UKCA certification support
✔ Reliable full-SMT manufacturing

From product development to market entry and after-sales support, Chayo is built to support long-term B2B cooperation.

More than a supplier. A long-term smart electrical partner.

Your Trusted Smart Electrical Partner——ChayoFrom smart circuit protection to energy management solutions, Chayo provides...
07/08/2026

Your Trusted Smart Electrical Partner——Chayo

From smart circuit protection to energy management solutions, Chayo provides reliable products and flexible customization services for global partners.

✔ OEM Private Label & Packaging
✔ ODM Product Customization
✔ API & Smart Platform Integration
✔ Global Compliance Support
✔ Long-Term B2B Partnership

Built for innovation. Designed for global markets.

One Partner. Complete Solutions.From smart energy management to circuit protection, Chayo provides a complete range of l...
31/07/2026

One Partner. Complete Solutions.

From smart energy management to circuit protection, Chayo provides a complete range of low-voltage electrical products for residential, commercial and industrial applications.

✔ Smart Devices
✔ Circuit Protection
✔ ATS Transfer Switches
✔ Surge Protection
✔ Power Control
✔ Distribution & Enclosures

Powering Smarter Electrical Systems.✔ Smart Circuit Protection✔ Energy Monitoring✔ Automation SolutionsChayo – Your Trus...
31/07/2026

Powering Smarter Electrical Systems.

✔ Smart Circuit Protection
✔ Energy Monitoring
✔ Automation Solutions

Chayo – Your Trusted Low-Voltage Electrical Partner.

Comprehensive protection starts with the right Type B RCD. Designed to detect AC, pulsating DC & smooth DC leakage curre...
30/07/2026

Comprehensive protection starts with the right Type B RCD.

Designed to detect AC, pulsating DC & smooth DC leakage currents, Chayo Type B RCD delivers full-spectrum electrical safety for commercial, industrial, EV charging and PV systems.

Suitable for:
⚡ EV Charging Points
☀ Solar PV Installations
🏭 Production Factories
🔌 Inverter & VFD Equipment

Secure complex circuits with all-round residual current protection.

Brand UpgradeSame Trusted Quality.Now under the Chayo brand.Only the logo has changed.All specifications, functions and ...
29/07/2026

Brand Upgrade
Same Trusted Quality.

Now under the Chayo brand.

Only the logo has changed.
All specifications, functions and quality remain unchanged.

Upgrade your existing circuit breaker without replacing it.The TOSA1-JWT-1P Energy Accessory works with a compatible tra...
29/07/2026

Upgrade your existing circuit breaker without replacing it.
The TOSA1-JWT-1P Energy Accessory works with a compatible traditional MCB to add real-time energy monitoring and smart control through the Tuya Smart or Smart Life app.
Monitor electricity usage remotely, check real-time data, and bring smart energy management to existing distribution systems.
✅ Works with compatible MCBs
✅ Real-time energy monitoring
✅ Tuya Smart & Smart Life control
✅ Ideal for residential and commercial applications
Traditional MCB + TOSA1 Energy Accessory = Smarter Energy Management

Address

Paidong Industrial Zone Qiligang, Yueqing City
Wenzhou
325000

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