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** [Miniature Key ETI Single Phase 25 Amp Type C](https://www.automation24.ir/product-2272/%da%a9%84%db%8C% D8%af- 25d9%85%db%8C%d9%86%db 258C%d8%d8%AA%d9%88 %d8%b1%db%8C-ATI-25D8%da%da%A9%d9%d8%a7%d8%D2-2 5- 25d8%a2%d9%85%d9%D8%d8%d8%AA%DB%8C%d9%BE-C)
### miniature key:
In the case of the miniature key, it can be said that the fuse is a protective device used in electrical equipment and circuits to cut off the circuit when the current exceeds the permissible limit so that other equipment is not damaged.
## Miniature keys use two mechanisms for their performance.
1. Bitting performance for overload protection
2. Magnetic function to protect the short circuit
The miniature keys are divided into two single -phase and three -phase sections in terms of number of bridges, and in terms of time cut, they are divided into two sharp and slow status. Also, in terms of application, they are divided into K, D, C, B and Z Types
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Type B Miniature Key: This type of miniature key is more home -based consumption and exceeds 3 to 5 times the current current at a specified time.
Type C Miniature Key: This type of key is more industrial consumption and overload currents between 5 and 10 times the nominal current at a specified time.
Type D Type Di Key: This type of key has a more specific industrial consumption, such as transformers and cuts over over 10 to 20 times the nominal current.
Miniature Key Key K: This type of key is used in trans and engine. Its operator is between Type C and D.
Type Z Minitat Key: This miniature issue at a specific time when the current flows from the nominal current. This key is used in very sensitive circuits.
Note: Miniature keys can be accessible to detecting on and off or alarms.
## Tips to buy a miniature key:
1. The workflow of miniature key
2. The type of miniature key (depending on the location)
3. The peripherals
4. The number of bridges its
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