Guidance: Circuit breakers are switchgears that can close, carry, and break currents under normal circuit conditions, and that can engage, break, and break currents under abnormal circuit conditions for a specified period of time. Circuit breakers are divided into high-voltage circuit breakers and low-voltage circuit breakers according to their scope of use. The division of high and low voltage boundary lines is rather vague. Generally, 3 kV or more are called high-voltage electrical appliances. Its main function is to distribute electric energy, start the asynchronous motor infrequently, and protect the power lines and motors. When they are severely overloaded or short-circuited or undervoltage, they can automatically cut off the circuit. Its function is equivalent to blowing. Combination of switch and over-heat relay. In addition, it is not necessary to change parts after breaking the fault current. At present, it has been widely used.
Breaker switch is an important component of a circuit breaker. Although it is just a switch, the function of this switch is not small. Circuit breakers are divided into high-voltage circuit breakers and low-voltage circuit breakers according to their scope of use. The division of high and low voltage boundary lines is rather vague. Generally, high-voltage electrical appliances are used above 3 kV. Low-voltage circuit breakers, also known as automatic switches, commonly known as "air switch" is also referred to as low-voltage circuit breakers, which are both a manual switch, but also automatically lose pressure, undervoltage, overload, and short circuit protection of electrical appliances. Ordinary switch can only control the working state of the circuit, there is a basic arc extinguishing function, and the difference between the 4P circuit breaker and the ordinary circuit breaker is that its applicable voltage level is high, on the other hand its arc extinguishing medium and method, There are vacuum, less oil, more oil and sulfur hexafluoride, etc. Of course, compared to the average circuit breaker, its arc extinguishing ability is strong, and the effect is also better.
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Front Side (−): Silicon oxide + blue silicon nitride compound anti-reflection coating (PID Free) ; The front side is a half-cut design; The busbar head is a large double fork, and the pads of the busbar are intermittently stepped. The size of the head pad is 1.2 ± 0.15mm * 1.3± 0.15mm, and the middle pad of the busbar size is 0.8±0.15mm*1±0.15mm.
Back Side (+): Passivated layer (AlOx and SiNx) and Rear Contact (Al); the rear electrode is composed of 10 roots rear compound busbar and 160 roots rear Al fingers. The composite busbar is locally narrowed, and the width is 1.5 ± 0.3mm and 1.0 ± 0.3mm, respectively. 8 sections 1.45±0.3 mm silver anode, no laser pattern under the rear electrode. Silver electrode has round head, and silver electrode is 1.5±0.6mm hollow at both ends.
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