ETA Circuit Breaker 3120-F521-H7T1-W01D-10A
Type: Circuit Breaker
Brand: ETA
Type: Circuit Breaker
Brand: ETA
Type: Circuit Breaker
Brand: ETA
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08/19/2020
Inferior refrigerants will affect the performance and stability of the system, and more seriously will cause damage to system components and compressors. The following methods can be used to distinguish whether it is a low-quality refrigerant:
08/21/2020
Recently, the high temperature outdoors in Haikou continues. To avoid the heat, many people like to stay in the air-conditioned room for one day. Some people even enter the air-conditioned room immediately after being caught off guard by a thunderstorm, causing cough, headache, runny nose,
06/21/2020
Operation process of automobile air-conditioning refrigeration system and the role of pressure switch From top to bottom, automobile air conditioners are mainly composed of blowers, evaporators, pressure switches, dryers, expansion valves, condensers, and the most source compressors. The operation process of this air-conditioning system is: heat dissipation,
01/15/2021
[Introduction] The temperature of the refrigerator is low and it is mainly used to refrigerate food. It has a refrigerated box and a refrigerated freezer inside. Among them, there are one or more refrigerated boxes, and there is only one freezer. The temp 器2 䀀 ᅵ皥 䖒皦즠Ʋ㉄ᰙ 㲈Ʋ 䌁皦 ᮔDž༬皧㉎ᰙЀ 呄ᠾ鹨់༹皧 ࠄ 00령ꐱ댁珵뛐珵Љ 䕄ྦ 뤂ᐱ뚜珵 ᴴᏩ呄ᠾ퍘ᒥ 鹨់ᩄ ꋔྦ 瑉浥 巠皱㙲皦抐皱 巠皱 ੨皦柘皱 ᅵ皥 ب 巠皱㙲皦忈皱
03/02/2021
1.Positioning or residual torque: when there is no current passing through the winding, the torque required to make the output shaft of the motor rotate. 2.Driver: an electrical control device used to run the stepping motor. This includes power supply, logic programmer, switching element and a variable frequency pulse source which determines the step rate. 3.Dynamic torque: the torque produced by the motor at a certain step rate. The dynamic torque can be expressed by PULL IN torque or PULL OUT torque.
12/01/2022
The linear guideway is a new type of rolling bearing for relative reciprocating linear motion. It uses the ball rolling between the guide rail
06/14/2020
The refrigeration compressor exploded! Personal experience tells the whole process... A person who experienced the explosion of a refrigeration compressor recalled the explosion and injury! I hope that readers can draw attention after reading, and follow 器2 䀀 ᅵ皥 䖒皦즠Ʋ嫜ི 㲈Ʋ 䌁皦 ᮔDž༬皧嫦ིЀ 呄ᠾ鹨់༹皧 ࠄ 00령ꐱ댁珵뛐珵Љ 䕄ྦ
04/26/2023
Do you know the working principles, advantages and disadvantages of piston compressors, rolling piston compressors, scroll compressors, screw compressors and centrifugal compressors for central air conditioning?
11/28/2023
After the notebook has been used for a long time, if a large amount of dust accumulates on the fan.
09/06/2022
Electric motors are roughly divided into three types, synchronous motor, asynchronous motor