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Approvals & Standards

  • Amp-Trap: UL File E93367
  • 9F60: UL File E191980

Key features & benefits

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

More specifications

Applications

  • Short circuit protection of medium voltage motors and motor controllers

Product Specifications

Item Number

A480R18R-1  

Description

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

EAN/UPC code

782001800741  

Rated voltage AC UL

4800   V

Frequency

50/60   Hz

ROHS Compliant

Yes  

AC or DC

AC  

Speed/Characteristic

R-Rated  

Mounting

Clip  

AC Max I.R./Breaking Capacity: I1

64   kA

Design Details

18R  

Indication System

Yes  

Indication System Type

Visual Indicator  

Contact materials

Silver-Plated Copper  

Connection/Terminal Type

Ferrule  

Body/Insulating Material

Epoxy  

Product Weight

9.0265   kg

Product Width

162.8   mm

Product Length

403.4   mm

Product Height

162.8   mm

Sell Pack Quantity

1   EA

Sell Pack Weight

9.4778   kg

Sell Pack Width

203.2   mm

Sell Pack Length

454.2   mm

Sell Pack Height

98.6   mm