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Mersen PC73UD13C550D1A / F300569 Protistor size 73 aR Semiconductor Protection Fuse, 550A, 1250VAC

Regular price $180.00 USD
Regular price Sale price $180.00 USD
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The Mersen PC73UD13C550D1A is a high-speed square body fuse-link from the Protistor size 73 series, specifically designed for the ultra-fast-acting protection of power semiconductors. This aR-class fuse provides superior current-limiting capabilities and exceptionally low I²t, making it an ideal choice for safeguarding diodes, thyristors, and IGBT devices in industrial power conversion systems. Engineered with silver-plated contact surfaces and non-magnetic hardware, it ensures high reliability and performance for enterprise-level procurement needs.

Product ID (MPN) PC73UD13C550D1A
Order Code (Item No) F300569
Product Size 73
Rated Current (In) 550 A
Rated Voltage (IEC) 1250 VAC
Rated Voltage (UL) 1300 VAC
Speed/Characteristic aR (Ultra-Fast acting)
Mounting Style DIN110 Blades
Rated Breaking Capacity 126 kA @ 1250V
Pre-arcing I²t 57 kA²s
Clearing I²t at Rated Voltage 465 kA²s
Power Dissipation at In 120 W
Weight 1.12 kg
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