Mersen 80A Size 30 FF Square Body Fuse 700V S300051 / PC30UD69V80TF

Mersen S300051 / PC30UD69V80TF is an 80A, Size 30 FF square body fuse rated for 700V, designed for ultra-rapid semiconductor protection applications in industrial and electrical systems. The fuse features Protistor® technology to deliver quick response times and robust protection against overloads and short circuits.

These square body fuses have a compact form factor with an overall length of 82mm, length of 40mm, height of 46.5mm, and width of 50.6mm, enabling easy integration into electrical panels and systems requiring fast fuse action. The FF (aR) fuse speed rating ensures rapid disconnection of faulty circuits to protect sensitive semiconductor devices.

The fuse boasts a high rupture capacity of 200kA at 660Vac, making it suitable for demanding industrial and manufacturing environments. Threaded fixing studs and a striker mechanism facilitate secure installation and precise micro-contact actuation for reliable operation.

Compliant with international standards VDE636-23 and IEC269-4, this fuse meets the quality and safety criteria necessary for commercial and industrial electrical installations.

Typical use cases include semiconductor protection in power electronics, industrial automation, electrical distribution, manufacturing plants, HVAC systems, and heavy machinery protection.

Protistor® Fuse technology provides rapid response for semiconductor protection. FF (aR) fuse rating offers ultra-rapid fuse speed for critical applications. 200kA breaking capacity at 660Vac ensures high fault tolerance.

Compact size and threaded fixing for versatile panel mounting. Complies with VDE636-23 and IEC269-4 international standards. Rated for 80A current and 700V voltage applications. Manufactured in Mexico with strict quality controls.

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