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Mersen A050UD32TTI1800 Protistor Fuse, 1800A 500V AC, Size 32 aR, High-Speed Square Body with Striker

Regular price $150.00 USD
Regular price Sale price $150.00 USD
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The Mersen A050UD32TTI1800, item number Z300448, is a Size 32 Protistor aR semiconductor fuse rated at 1800 A and 500 VAC. This ultra-fast square-body fuse-link provides a 200 kA breaking capacity, flush-end M10 threaded mounting, and an integrated Type I mechanical striker.

Brand Mersen
Catalog Number A050UD32TTI1800
Item Number Z300448
Product Family Protistor
Product Category Square-Body Semiconductor Fuse-Link
Operating Class aR Ultra-Fast Acting
Amperage Rating 1800 A
Voltage Rating 500 VAC IEC / 500 VAC UL
Breaking Capacity 200 kA at 500 VAC
Pre-Arcing I²t 1850 kA²s
Total Clearing I²t 10500 kA²s at Rated Voltage
Power Dissipation 245 W at Rated Current
Fuse Size Size 32
Mounting Configuration TTI Flush-End M10 Metric Threads
Indication System Integrated Type I Mechanical Striker
Housing Material Ceramic
Terminal Material Silver-Plated Copper
Standards and Compliance IEC 60269-4, UL Recognized, RoHS Compliant

Typical applications include short-circuit protection of thyristors, diodes, and other power semiconductor devices used in high-power rectifiers, DC drives, and energy-storage converters.

Apexon Supply provides B2B sourcing and replacement support for the Mersen A050UD32TTI1800. Buyers should verify the 1800 A rating, 500 VAC rating, aR class, M10 mounting interface, Size 32 configuration, and I²t values against the original equipment requirements.

Send the catalog number, item number, required quantity, and application requirements to request a B2B quote and technical alignment support.

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