[Schneider miniature switch single phase 25 amp type C: (click here to buy the product)](https://www.automation24.ir/product-586/کلید -مینیاتوری-اشن ایدر-تکفاز-25-آم? About the miniature switch, it can be said that the fuse is a protective device used in electrical equipment and circuits. It is possible to cut off the circuit when the current exceeds the permissible limit so that other equipment is not damaged. Miniature switches use two mechanisms for their operation. Bitmal function for overload protection.
Magnetic function for short circuit protection
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miniature switches in terms of the number of bridges to 2 The single-phase and three-phase parts are divided into fast-working and slow-working states in terms of interruption time. They are also divided into types K, D, C, B, and Z in terms of use. B type miniature switch: this type of miniature switch is mostly used for home use and cuts the overload current between 3 and 5 times the rated current in a certain time. slow. These types of switches are considered to be fast-acting type.
miniature type C switch: this type of switch is mostly used in industry and cuts the overload current between 5 and 10 times the rated current in a certain time. This type of switch is slow-acting. D-type miniature switch: this type of switch is used mostly in special industries such as transformers and cuts off the overload current 10 to 20 times the rated current. K-type miniature switch: this type of switch in Trans and motor are used. Its function is between type C and D. Z type miniature switch: This miniature will issue a shutdown command at a specific time when the passing current exceeds the rated current. This key is used in very sensitive circuits.
Note: In the case of miniature keys, peripheral devices can be installed to detect the on and off status or alarms.
Points that should be observed when buying a miniature key :
Work flow of miniature key
Type of miniature key (depending on the place of use)
Accessories
The number of its bridges
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