| Single Phase / Three Phase | 3 Phase |
| Product Type | Type C |
| Amper (A) | 20A |
| Kilo Amps (Ka) | 4.5 Ka |
| Number of Poles | 3 |
Legrand Automatic Fuse XS3 Type C 3x20Amper 4.5Ka 403343 or miniature circuit breakers are protection and switching circuit elements designed to protect the electrical installation and system against overcurrent and short circuits. It is used in inductive loads, protection of loads such as motors and transformers. It is known as slow type fuse.
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