Ferraz Shawmut Q300003 (69URD 31 TTF 0315) 351A/690V Rated Power for Female Protector Fuse

The Q300003 Protector is an ultra-fast acting, square semiconductor protection block developed for critical power electronics applications. This high-performance fuse has been developed to shield components such as diodes, thyristors and IGBTs, and thanks to its low I²t characteristics, it ensures a rapid interruption of fault currents with minimal thermal stress.

Technical Details:

Brand: Ferraz Shawmut
Model Number: Q300003
Type and Size: Protistor® square body, Size 31, Class aR
Rated Voltage (AC): 690 VAC according to IEC / 700 VAC according to UL
Rated Current: 315 A
Clearing I²t: 44,000 A²·s
Melting I²t: 7,500 A²·s
Breaking Capacity (I?): 200 kA AC
Condition: Comparable to images

Note:

For detailed technical data and processing instructions, we strongly recommend consulting the original data sheets or contacting the manufacturer directly.

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