CE/KEMA-Certified MCCB, MCB & DC Breakers | 40 Years Expertise
Custom OEM Solutions | ISO 9001 China Factory | Wholesale Prices
for CE-Certified Electrical Protection
We pursued and obtained major international certifications—
including CE, CB, KEMA, and ASTA—for our breaker products,
transforming DADA from a local manufacturer into a
globally recognized and
trusted export partner.
We provide customized circuit protection components for
equipment manufacturers in HVAC, elevator, UPS,
and industrial control sectors.
Who We Are?
Shanghai DADA Electric Co., Ltd. is a premier manufacturer and supplier of low-voltage electrical solutions based in China. With roots tracing back to 1983 in Zhejiang, our legacy spans over four decades of innovation in electrical safety. Established in 2004, we operate a 52,400 m² factory equipped with 9 automated production lines and stringent ISO 9001-certified processes.
As a globally recognized circuit breaker manufacturer, we hold 60+ patents and key international certifications (CE, CB, KEMA, ASTA). Annually producing 3+ million breakers, DADA Electric blends Chinese manufacturing excellence with cutting-edge R&D to deliver reliability worldwide.
What We Do?
We specialize in designing, producing, and exporting high-performance circuit protection devices for diverse industries. As a top-tier factory and supplier, our portfolio includes:
Molded Case Circuit Breakers (MCCB): DAM1-DAM10 series for industrial automation.
Miniature Circuit Breakers (MCB): DAB6/DAB7 for residential/commercial safety.
Solar DC Breakers & RCCBs/RCBOs: Custom solutions for renewable energy systems.
OEM/ODM Components: Contactors, relays, and distribution boxes for HVAC, elevators, and UPS.
Our products power critical sectors:
✅ Industrial Manufacturing (machinery control)
✅ Renewable Energy (solar inverters, PV arrays)
✅ Infrastructure (airports, hospitals, data centers)
✅ Global Building Projects (offices, hotels, smart homes)
Why Choose DADA?
Expertise & Trust:
◆ 40+ Years of Innovation: R&D-driven engineering (30+ specialists) with 60+ patents.
◆ Global Compliance: Certified to CE, CB, KEMA, RoHS, and CCC standards.
◆ Scalable Manufacturing: 3+ million units/year capacity with rapid lead times.
◆ Proven Authority: "Shanghai Famous Product" awardee; trusted by clients across 45+ countries.
◆ Transparent Supply Chain: From our ISO-certified factory in China to global ports (FOB/CIF/EXW).
Market Leadership:
√ 45% European exports; strong footprint in Belt & Road markets.
√ $20M+ export revenue (2023–2025) via 726+ shipments.
√ Exhibited at Hannover Messe, Middle East Electricity & global trade fairs.
Shanghai DADA Electric Co., Ltd., established in 1983, is a professional manufacturer and exporter of low-voltage electrical products. With over 60 patents and comprehensive international certifications including CE, CB, CCC, KEMA, and ASTA, we specialize in MCCBs, MCBs, RCCBs/RCBOs, contactors, and solar DC equipment. Our 52,400㎡ factory houses 9 production lines, delivering over 3 million circuit breakers annually. We serve diverse industries such as power systems, building automation, and industrial manufacturing, offering flexible OEM/ODM solutions. Dedicated to innovation and quality, DADA Electric is committed to providing reliable, cost-effective electrical solutions worldwide.
An NSX moulded case circuit breaker is used in low-voltage electrical distribution systems to help protect circuits against overloads and short circuits. Its enclosed construction combines switching and protective functions in one device, making it suitable for distribution panels, industrial equipment, and commercial electrical installations.
A Type A Residual Current Circuit Breaker is an important electrical safety device designed to detect alternating residual currents and pulsating direct residual currents. It helps reduce the risk of electric shock and electrical fires caused by earth leakage in residential, commercial, and selected industrial installations. This guide explains how Type A RCCBs work, where they are used, how to choose suitable ratings, and which installation and maintenance considerations matter most for long-term electrical safety.
As the Chinese National Day holiday approaches, C-DADA extends our warmest holiday greetings and most heartfelt appreciation to all our partners and clients worldwide for your enduring trust, support, and collaboration.
An MCCB with leakage protection combines conventional molded case circuit breaker functions with residual current protection in one coordinated solution. For commercial buildings, industrial facilities, equipment manufacturers and electrical contractors, this can address a common challenge: protecting a power circuit from overloads and short circuits while also detecting potentially dangerous leakage current.
As autumn arrives with a crisp breeze and the luminous full moon ascends into the night sky, the traditional Mid-Autumn Festival is once again upon us. On this cherished occasion of reunion, gratitude, and shared blessings, the entire team at C-DADA extends our warmest festive greetings and heartfelt appreciation to all our valued clients, global distributors, engineering partners, and friends across the globe.
Shanghai Dada Electric Co., Ltd. is pleased to invite you to visit us at the 140th Canton Fair, taking place from October 15 to 19, 2026, at the Canton Fair Complex in Pazhou, Guangzhou, China.
A 125 15KA Miniature Circuit Breaker is designed for electrical systems that require both high current capacity and reliable short-circuit protection. Unlike conventional low-rated MCBs, a 125A high-breaking-capacity device can address demanding distribution applications where fault currents may be considerably higher. This article explains how a 125 15KA MCB works, what its key specifications mean, where it can be used, how to select and install it correctly, and what purchasing teams should examine before placing an order.
A 6kA AC Miniature Circuit Breaker is widely used in low-voltage distribution applications because its 6kA rated short-circuit breaking capacity provides a practical level of fault-current interruption for many residential, commercial, and light industrial circuits. However, the 6kA value is only one part of the selection process. Rated current, voltage, trip curve, pole configuration, installation environment, and applicable standards must also be evaluated.
An RCBO — residual current circuit breaker with over current protection — is a low-voltage protective device that combines overload protection, short-circuit protection and residual current (leakage) detection in a single molded unit.
Shanghai Dada Electric Co., Ltd. concluded a productive appearance at Middle East Energy in Dubai, using the exhibition as a practical platform for technical exchange, customer dialogue, and regional market learning. Rather than measuring success only through immediate transactions, the company viewed the event as an opportunity to understand how electrical protection requirements are changing across the Middle East and other international markets.
The global power industry is becoming increasingly dependent on direct current. Solar photovoltaic arrays, battery energy storage systems, electric vehicle charging stations, telecommunications equipment, and data centers all contain important DC sections. As these applications expand, circuit protection is moving from a supporting component to a central part of system safety. A DC circuit breaker must disconnect abnormal current quickly and safely, limiting damage to cables, converters, batteries, and connected equipment.
An MCCB — molded case circuit breaker — is a low-voltage protective device that automatically disconnects a circuit when it detects overload or short-circuit conditions.
