Electrozad

Mersen r-rated fuses are current limiting, high interrupting rating fuses intended for the short circuit protection of medium voltage motors and motor controllers. R-rated fuses are back-up fuses that have a minimum interrupting rating and must be coordinated with overload relays in combination motor starters. The motor starter manufacturer generally specifies the r-rated fuse size. These fuses come with a 3 (size D) or 4 (size E) in diameter barrels with ferrules and are mounted in spring reinforced clips.

Ferraz Shawmut Amp-Trap® Motor Protection Fuse, 1-Barrel Back-Up Current Limiting Medium Voltage, Series: A072F, Indicating, 7200 VAC, 50 kA Interrupt, Class: R, Ferrule Terminal, Clip Mounting, Fiber, 3 in Dia x 15.88 in L Body

• The Amp-Trap® and 9F60 r-rated fuses are UL recognized
• Ferrule mounting for standard clips and interchangeability with other brands of fuses
• Current limiting for superior equipment protection
• Metal embossed catalog number and manufacturing date for lasting identification
• Hookeye for non load break isolation by hookstick
• On all other 3 in barrel if a hookeye is required, use the operating eye 9F61AAW612
• Blown fuse indicator to give positive identification of open fuse
• Amp-Trap® 3 in barrel 2 lb tripped force - 0.5 in
• Silver plated copper contact
• 12-1/2 in clip centers
• 6R size

• Catalog https://assets.unilogcorp.com/2/ITEM/DOC/IDW_FerrazShawmut_A072F1D0R0_6R_Brochure.pdf
• Specification Sheet https://assets.unilogcorp.com/2/ITEM/DOC/IDW_DOCUMENT_04efa222990b62e7643a0c903ac1f0df7c2e1cf6ae94c672a5cbd68a11bc5058.pdf