| Single Phase / Three Phase | 1 Phase |
| Product Type | Type B |
| Amper (A) | 63A |
| Kilo Amps (Ka) | 4.5 Ka |
| Number of Poles | 1 |
Legrand Automatic Fuse XS3 B Type 1x63Amper 4.5Ka 403210 is generally used for the protection of lighting and socket circuits where sudden overcurrents do not occur during switching, such as home lighting, sockets and controls. During a short circuit, types B open without delay at 3-5 times the rated current. Automatic fuses detect overcurrent or short circuit in the circuit and cut the current.
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