A072B3DBR0-57X

Series: 7.2 kV Bolt-On Mount Motor Back-Up R-Rated Medium Voltage Fuse 7200VAC 57X Mounting: Bolted Style: DBRO Visual Indicator Amp-Trap® 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 are single, double, triple or quadruple barrels 3 inches diameter with end mounts designed for bolting directly to equipment bus or terminal pads