News
What are the technical characteristics of DC MCCB?
When it comes to electrical safety and system reliability in direct current (DC) applications, the DC MCCB (Molded Case Circuit Breaker) plays a critical role. Designed to protect electrical circuits from damage caused by overloads, short circuits, and other fault conditions, the DC MCCB is engineer......
Read More
Are molded case circuit breakers generally suitable for AC or DC?
Molded case circuit breakers, also known as device-type circuit breakers, have all components sealed in a plastic casing. Auxiliary contacts, undervoltage releases, and shunt releases are often modular. Molded case circuit breakers automatically interrupt current when the current exceeds the trip se......
Read More
Type A vs Type AC RCCBs: Guide to Differences, Applications & Electrical Safety
RCCB-TYPE-A and RCCB-TYPE-AC varieties are distinctive among the many different types of RCCB due to the specialized functions they perform and the wide range with which they can be used. Electrical professionals and system specifiers need to understand when and where they are most appropriate.
Read More
From 500 V to 1500 V — How Advanced DC Molded-Case Circuit Breakers Safeguard Modern Solar, EV Charging & Energy-Storage Systems
DC MCCBs operate on the same principles as AC MCCBs. The MCCB’s key operating principle is to separate the switch’s contact points rapidly to create a gap. Unlike AC circuit breakers, for which arc extinction is relatively simple, resulting from natural current diminishing zero-crossings, DC MCCBs m......
Read More
The 2025 solar pv and energy storage world EXPO
The 2025 solar pv & energy storage world EXPO grandly opened in Guangzhou, marking the official launch of a premier event focused on new energy technology innovation and industry trends. On the opening day, GREENWATT's booth at Hall 11.2, Stand A805 captivated widespread attention with its professi......
Read More
AC MCCB Guide: AC800V, AC400V & Electronic Breakers for Power System Protection
A Molded Case Circuit Breaker (MCCB) is an important device that has been widely used around the world in power distribution systems for many decades to protect circuits and power equipment. Demand for these advanced devices has spread from factories, offices, and homes to cover all types of industr......
Read More
