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National Day holiday notice

On the occasion of the approaching of the National Day holiday, on behalf of Shanghai Dada Electric Co., LTD., I would like to extend to you the most sincere greetings and best wishes. According to the national statutory holiday arrangement, our company will have a holiday for 7 days, the specifi... Read More

What’s a molded case circuit breaker？

Molded case circuit breaker is also known as device circuit breaker, which is a contact, arc chamber, release and operating mechanism are installed in a plastic case of the circuit breaker 1. The shell adopts plastic insulator, which is used for isolating between conductors and grounding metal pa... Read More

The function and working principle of thermal overload relay

   Thermal overload relay is an important electrical protection component, mainly used to protect motor or other electrical equipment from overload damage. Its role is to detect overload, automatically cut off the power supply, to prevent the equipment from overheating and damage. Working princip... Read More

Motor Motor protection circuit breaker and accessories

New products Motor Motor Protection Circuit breakers and accessories not only provide enhanced motor protection, but also ensure the smooth operation of electrical systems in various industries. These products feature advanced technology and reliable performance designed to minimize downtime and ... Read More

What are the main functions of household distribution boxes?

Household distribution box role has the following 5 points: 1, Leakage Protection Role 2, over-current, overload, short-circuit protection role 3, over-voltage and under-voltage protection role 4, distribution role 5, switch role 1.leakage maintenance role: when electrical leakage or line leakage... Read More

Introduces NSX-400H Molded Case Circuit Breaker for Enhanced Electrical Safety

The NSX-400H moulded case circuit breaker is a breakthrough product that combines advanced technology with Shanghai Dada Electric’s extensive expertise in power distribution. With its compact design and high breaking capability, the circuit breaker provides optimal performance in a wide ran... Read More

Invitation Letter for Canton Fair

Dear valued customers,   We are delighted to extend our warm invitation to you to visit us at the 136th Canton Fair, taking place from Oct 15th to Oct 19th, 2024, at the Pazhou Complex in Guangzhou, China. You can find us at Booth No. 15.2 C18-20 D20-22.   At the fair, Shanghai Dada Ele... Read More

Surge Protective Device

  Surge Protector, also known as lightning protection, is a variety of electronic equipment, instrumentation, communication lines to provide security protection of electronic devices. When the electric circuit or communication line because of external interference suddenly produce peak current or... Read More

Circuit breakers are important for electrical safety

In this essay, I will discuss the role of circuit breakers in electrical systems and their significance in ensuring safety and preventing damage. Circuit breakers are essential components in electrical systems as they serve to protect against overcurrents and short circuits. When an excessive cur... Read More

Action and principle of shunt trip

As an important universal automatic control element, shunt trip is mainly used for remote operation of low-voltage circuit breaker. The electromagnetic coil is connected in parallel at the power supply side of the low-voltage circuit breaker. When the switch-off operation needs to be carried out,... Read More

Motor protection type circuit breaker

The motor-protected circuit breaker is one of the indispensable protective devices for squirrel-cage induction motor in starting, running and breaking. For motor protection, rated current 630A and below (i. e. Protected Motor 315KW and below) is used to start and break the motor infrequently duri... Read More

The MCB Series DAB6-63

The MCB Series DAB6-63 is designed not only for its protection in electrical systems, but also for the safety and convenience of the user. Its compact appearance makes installation simpler and faster, making it easy to apply in both residential and commercial locations. In addition, the circuit b... Read More
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