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Approvals & Standards

  • UL recognized component UL file E60314
  • AC: UL guide no. JFHR2 (35-800A)

Key features & benefits

A60X Amp-Trap® Form 101 high speed fuses are popular for the protection of higher voltage heavy rectifiers such as traction rectifiers. They can carry long sustained overloads common with heavy duty apparatus. 700A through 2000A sizes are of compact, hockey-puck design, able to provide high power protection in a small space.

More specifications


  • Protection of heavy traction and electrochemical as well as rectifiers and other heavy-duty equipment

Product Specifications

Item Number


Item Description (ERP)

94448-FUSE,FORM 101  

Short Description

Semiconductor Fuse Amp-Trap® 600V 1200A aR High Speed A60X  



Rated voltage AC UL

600   V

Ampere Rating

1200   A


High Speed  



AC Max I.R./Breaking Capacity: I1

63   kA

Connection/Terminal Material

Silver-Plated Brass  

Connection/Terminal Type


Body/Insulating Material


Product Weight

6.5   lb

Product Diameter

3.5   in

Product Length

4   in

Sell Pack Quantity

2   Each

Sell Pack Weight

13.65   lb

Sell Pack Width

5   in

Sell Pack Length

7.5   in

Sell Pack Height

2.75   in