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Building electrical design | household small circuit breaker how to choose the B, C, D type?
Trip characteristics commonly used in the national standard are A, B, C, D four types of trip characteristics. Type A circuit breaker: 2 times rated current, rarely used, generally used for semiconductor protection (generally use fuses); Type B circuit breaker: 2-3 times rated current, generally ...Read more -
How important is a leakage circuit breaker? Teach you fire eyes to distinguish the advantages and disadvantages of leakage circuit breaker!
MCB is an indispensable part of every household decoration. But in daily life, many people only install the “MCB” at home, and forget the residual current circuit breaker. If the bathroom or kitchen is only equipped with air switches, the line insulation is damaged by damp or water, i...Read more -
Celebrate Christmas and Christmas Eve!
Christmas Eve (Silent Night), that is, Christmas Eve (Christ ** s Eve, December 24), is a part of Christmas in most religious countries, but now, due to the integration of Chinese and Western cultures, has become a worldwide festival. Christmas Eve is traditionally the day when Christmas trees ar...Read more -
Today “Winter Solstice”
How much do you know about Winter Solstice? The winter solstice is the day with the shortest day and the longest night in the Northern Hemisphere, and the days get shorter the farther north you go. Although the days on the winter solstice are short, the temperature on the winter solstice is not t...Read more -
What is the development prospect of intelligent mini Circuit breaker?
When it comes to the intelligent circuit breaker in China, the development and current situation of the low-voltage circuit breaker in China have to be mentioned. Low-voltage circuit breaker is one of the most complex low-voltage electrical appliances, the highest technical content and economic v...Read more -
What is the difference between the load switch and the isolation switch?
1. The first difference between the load break switch and the isolation switch is that the load switch has an arc extinguishing device, and the isolation switch does not have such a device, so what is the difference between having this arc extinguishing device? The so-called arc extinguishing de...Read more -
Can ordinary AC contactor replace DC contactor?
First of all, we need to make clear a concept. The biggest difference between the main loop of DC contactor and AC contactor is not its load flow, but how to kill the arc? The arc extinguishing of AC contactor is easier than that of DC contactor because of the existence of zero crossing automatic...Read more -
How to maintain the vs1 vacuum circuit breaker?
The main components of VS1 vacuum circuit breaker are: operating mechanism, vacuum arc extinguishing chamber, handcart type with a chassis car. And the operating mechanism is one of the main parts. So how should we maintain the VS1 vacuum circuit breaker operating mechan...Read more -
Air circuit breaker manual or automatic？
Air circuit breaker is a more complex switch, this switch function is particularly many, and manual, electric or automatic is relative to the function, that is to say, some functions are electric, some functions are manual, to Delixi Electric CDW3-1600 for example (Delix...Read more -
What is the difference between a Air circuit breaker and a molded case circuit breaker?
What is the difference between a Air circuit breaker and a molded case circuit breaker? Can the Moulded case replace the frame when the rated current, breaking capacity and protection are satisfied? For example, can the T7 molded case circuit breaker of ABB1600 be used i...Read more