Tongou Electrical | with 30 years of experience

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About Us

30 years of production experience and service

TONGOU was established in 1993 by a team of engineers with strong experience in the electric protection area. TONGOU has now been projecting and manufacturing circuit protection devices like Earth Leakage Circuit Breaker(ELCB), Miniature Circuit Breaker (MCB), Residual Current Circuit Breaker(RCCB), Residual Current Circuit Breaker with Over-current Protection(RCBO), Switch-Disconnector, Distribution Box, Molded case circuit breaker(MCCB), air circuit breaker(ACB), Smart circuit breaker, solar energy power system and new energy vehicle charging system.

More than 5,000 square meters of factory area
Fast production delivery capability
Professional technical information and customized services
Provide OEM processing, ODM research and development services
Professional technology and sales team to solve customer problems – just ask!

Johnson Lim

CEO

Application scenarios of our products

We have very rich experience for various scenarios

Power Distribution

Power distribution and circuit protection in home, commercial and industry. Over 30 years rich experience from thousands of electricians use, we improve product details and performance always.

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Smart Switch

Unattended monitoring shop, Advertising system control, Remote control equipment and monitoring of electricity consumption, Rental housing cost control system, Remote unmanned irrigation in agriculture.

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EV Charging

We provide charging pile systems for many well-known electric vehicle companies around the world, circuit protection equipment and charging piles for private household electric vehicle companies

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electricity-alternative-energy-renewable-energy-solar

Solar Photovoltaic

Our solar system power distribution protection system is well recognized by customers in Australia, Africa, Vietnam, Philippines, Saudi Arabia, Dubai, Syria, Lebanon, Thailand, India.

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PV Solar Power & EV Charging

Electric vehicle charging system protection solutions, including Type A, Type B RCD, Type A, Type B RCBO series. Solar photovoltaic DC series protection solutions, including DC Circuit Breaker, DC Surge Protector, DC Fuse Holder, DC Molded Case Circuit Breaker.

Smart Breaker

With the development of science and technology, the use of electricity in the future will be more intelligent and data-based. We provide the latest research and development of smart breakers, including smart circuit breaker, smart meter, smart over and under voltage protector, smart rail relay, suitable for communication Protocols such as WiFi, Sigmesh, Lora, ZigBee, RS485, RJ45 and other mainstream protocols.

Industrial Control

We focus on traditional industrial control system products for over 30 years, such as Molded Case Circuit Breaker (MCCB), Air circuit breaker (ACB), Contactor, Thermal relay, Motor protector. We provide market proven and stable industrial products for many years, to make the end customers do not have after-sales issues, to reduce unnecessary waste and make the business easier.

Distribution Apparatus

We provide Miniature Circuit Breaker (MCB), Residual Current Circuit Breaker (RCCB/RCD/ELCB), Residual Current Circuit Breaker with Over Current Protection (RCBOs), Disconnector for traditional power distribution system protection. A complete series of products bring safer electricity protection for household, commercial and industrial use, exquisite appearance and high quality can make users feel value for paying, we always insist to bring continuous, premium experience.

Product List

Our Products

Beautiful exterior design, industrial-grade interior materials, 30 years of rich production experience.

WIFI Smart Electrical Circuit Breaker Meaning RCBO TOSMR1

WiFi Smart Electrical Circuit Breaker RCBO – TOSMR1

WiFi RCBO Adjustable Smart Circuit Breaker

WiFi Smart Circuit Breaker Tuya – TOQCB2 1P+N

TUYA Single Phase WiFi Smart Metering Circuit Breaker

WiFi Smart Residential Circuit Breaker – TOQCB2 2P

Single Phase TUYA MCB WiFi Smart Residential Circuit Breaker

WiFi Smart Switch Measurement Circuit Breaker – TOQCB2 3P

TUYA Three Phase WiFi Smart Switch Measurement Circuit Breaker

WiFi Smart Meter Control Circuit Breaker – TOQCB2 3P+N

Three Phase TUYA MCB TUYA MCB WiFi Smart Meter Control Circuit Breaker

TO-Q-SY1-JWT
WiFi Smart Din Rail Breaker with metering

Smart Circuit Breaker

TORD4B-63
2P Type B RCD RCCB 50Hz-1KHz EV Charging RCD

EV Charing & Frequency conversion system

Solar-PV-EV-System-TOCB-PV4-E-550V-PV-combiner-box-

TOCB-PV4-E
DC 550V IP65 waterproof PV Combiner box with 4 strings

Photovoltaic solar power system

TOBNS-40
1P+N RCBO 1P RCBO SAA ESV Mini RCBO 6-40A 10mA-100mA

Residual Current Breaker with Over-Current

TOMD6-63
AC MCB Mini Circuit Breaker C Curve Convenient

Mini MCB Over-current Protection

TOSP-2P
DC 500V 20KA~40KA Safe Creepage

Surge Protection Device

Single Phase Din Rail Smart Meter 63A- TO-Q-SYS

TO-Q-SYS-JWT
Single Phase Wi-Fi Zigbee Din Rail Smart Meter

Smart Energy Meter

Would you like to Get Samples
From Tongou?

We are very happy to provide our samples to customers for testing and debugging. Please send a message to us now

Send a Message Sampe Request

Our Statistics

Some Important Facts

3000+

Cooperation Customers

5000㎡+

Company Area

30 Years+

Company's history

80+

Staff Member

What Our Clients Say

Professional, Reliable & Cost Effective

Recomiendo los productos de Tongou, ya los he probado y seguiré pidiendolos. El trato comercial de primera, me han resuelto la incidencía muy rápido y sin problemas. Gracias, seguiré pidiendo más productos. - Jose Vico

What Our Clients Say

Professional, Reliable & Cost Effective

УЗО дошло за три недели, что очень хорошо по срокам доставки из Китая. Работает хорошо, кнопка "тест" срабатывает, тест с батарейкой на утечку тока проходит нормально. Годный дифференциальный выключатель. Как долго прослужит покажет время. Продавцу спасибо! - Leonnov

What Our Clients Say

Professional, Reliable & Cost Effective

Très bien ,colis bien fait et reçue assez vite. La qualité a l'air bonne impeccable . Excellent service après vente. Le vendeur a été très réactive à résoudre mon problème. Merci. - Francois Risi

What Our Clients Say

Professional, Reliable & Cost Effective

وصول المنتج جيد جدا - Tft Benali

Quick quote

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+86-15325075111

Save on the Service You Need

What kind of service can we provide？

A good supplier will assist you to quickly occupy the target market, gain a good reputation for your brand and reputation, and thus gain more stability and better benefits.

OEM Service

Customized Logo printing or laser for authorized trademarks
Customized authorized trademark packaging (outer box, inner box)
Customizable catalogue of authorized trademarks
Available for small quantity order
Your overseas super factory

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ODM Service

Product mold design and development (Refundable)
Product function design and development (Refundable)
Product International test reports & Certificates (Refundable)
24-hours response
Your overseas super factory

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Factory Service

60+ workers, Fast delivery
Automated production lines
Certified ISO 90001 system
Acquired CB, CE, TUV, BV, SAA, CCC, FCC product certificates
15+ sales and customer service staff, Fast responsiveness
Extra long warranty, 5 years warranty

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Your Best Manufacturer
in Electrical Cooperation

To be our partner, you will have a super factory in China directly, which you will have that product design, research and development, product production. In addition, our young sale team will provide the commercial service support, product display system, outside shooting, video production , network promotion services.

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News & Update

26 Oct, 2024

China Circuit Breaker Manufacturer: A Comprehensive Overview of Tongou Factory

China Circuit Breaker Manufacturing: A Comprehensive Overview of Tongo...

11 Oct, 2024

News! Tongou will participate in the 136th China Import and Export Fair soon.

Tongou is pleased to announce its participation in the 136th China Imp...

23 Apr, 2024

Tongou|The Hannover Messe 2024 event!

A Triumphant Conclusion at Hannover Messe 2024! DATE:22-26,April,2024 BOOTH:F40-20 A Trium...

28 Mar, 2024

Event Preview! Tongou will participate in 2024 Hannover Messe in Germany!

Exhibition Information: Exhibition Name:Hanover Messe DATE:22-26,April,2024 BOOTH:F40-20...

Product knowledge What you want to know

Product Blogs

30 Nov, 2024

How to Connect a Wi-Fi Tuya Smart Meter at Home

How to connect a Tongou Wi-Fi tuya smart meter at home Electricity met...

29 Nov, 2024

4 Poles Circuit Breaker vs. 3 Poles Circuit Breaker: What’s the Difference?

4 Poles Circuit Breaker vs. 3 Poles Circuit Breaker: What’s the Diff...

Replace and Upgrade Main Circuit Breaker

28 Nov, 2024

How to Replace and Upgrade the Main Circuit Breaker

How to Replace and Upgrade the Main Circuit Breaker The main circuit breaker is a critical...

07 Nov, 2024

How Many Watts on a 20 Amp Circuit Breaker?

How Many Watts on 20 Amp Circuit Breaker? Amperage, Wattage, and Voltage Amperage (A), wat...

26 Oct, 2024

China Circuit Breaker Manufacturer: A Comprehensive Overview of Tongou Factory

China Circuit Breaker Manufacturing: A Comprehensive Overview of Tongou Factory In the rea...

26 Oct, 2024

Solar Fuse Vs. DC Breaker: Which One Should You Use?

Solar Fuse Vs. DC Breaker: Which One Should You Use? In solar power systems, both fuses an...

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tongou was established in 1993 and is the trademark of Changyou Technology. We position ourselves as providers of intelligent product solutions for high and low voltage electrical systems, taking on solving customers’ pressures and challenges as our responsibility and creating value for them. We utilize intelligent products to serve global customers, making life smarter and more convenient to benefit your life.

PRODUCT LIST

CONTACT US

Paidong Industrial Zone Qiligang,Yueqing City,Zhejiang province,China.

Sales: [email protected]

After-sales: [email protected]

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30 years of production experience and service

We have very rich experience for various scenarios

Would you like to Get Samples From Tongou?

Some Important Facts

What kind of service can we provide？

Your Best Manufacturerin Electrical Cooperation

News & Update

Product Blogs

Subscribe to our newsletter

PRODUCT LIST

CONTACT US

Would you like to Get Samples
From Tongou?

Your Best Manufacturer
in Electrical Cooperation