Back-Up R-Rated Medium Voltage Fuse 4800VAC 18R Mounting: Ferrule Visual Indicator Amp-Trap®

MERSEN A480R18R-1 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) INCH DIAMETER BARRELS WITH FERRULES AND ARE MOUNTED IN SPRING REINFORCED CLIPS. 1000 VOLTS 18 AMPS A480R SERIES.