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Approvals & Standards

  • UL Recognized File E93367

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 are single, double, triple or quadruple barrels 3 inches diameter with end mounts designed for bolting directly to equipment bus or terminal pads

More specifications

Applications

  • Short circuit protection of medium voltage motors and motor controllers

Product Specifications

Frequency (Hz)

50/60   Hz

Ampere range

9R to 38X  

Speed/Characteristic

R-Rated  

UL file number

File E93367  

UL Category Code

MSSS2  

REACH Compliant

Yes  

Max Operating Temp.

80   °C

Max Storage Temp.

80   °C

Min Storage Temp.

-25   °C

Harmonized System

853510  

References in this serie  (2)

Item number - Catalog No.

Ampere rating

Fuse size

Total Clearing I2t

Indication System

Product weight

A155B2D0R0-12R

-

-

-

Yes  

13.1542   kg

A155B2D0R0-9R

-

-

-

Yes  

13.1542   kg