Ferraz Shawmut A055UD32LI1600 E301074 aR Fuse, 550 V AC, 1600 A
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The Ferraz Shawmut A055UD32LI1600, secondary reference E301074, is a Protistor aR semiconductor fuse rated for 550 V AC and 1600 A. The product label identifies a 200 kA breaking capacity and compliance with IEC 60269-4.
| Brand | Ferraz Shawmut |
| Series | Protistor |
| Manufacturer Part Number | A055UD32LI1600 |
| Secondary Reference | E301074 |
| Product Category | Semiconductor Fuse |
| Fuse Class | aR |
| Type Marking | URD |
| Rated Voltage | 550 V AC |
| Rated Current | 1600 A |
| Breaking Capacity | 200 kA |
| Standard | IEC 60269-4 |
Typical applications include semiconductor circuit protection in industrial power-conversion systems requiring an aR fuse with matching 550 V AC, 1600 A, and 200 kA ratings.
Apexon Supply provides B2B sourcing and replacement support for Ferraz Shawmut fuses. Buyers should reference both A055UD32LI1600 and E301074 and verify the electrical ratings, dimensions, and mounting configuration before replacement.
Send both product identifiers, the required quantity, and application requirements to request a B2B quote and technical alignment support.
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