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Approvals & Standards

  • UL recognized component UL File 60314
  • AC: UL guide no. JFHR2
  • DC Tested to UL standard 198L parameters (70-1200A)
  • CSA Certified LR12636

Key features & benefits

A50QS Amp-Trap® Form 101 fuses grew out of the need to improve the overall performance of semiconductor fuses in response to new equipment requirements. The A50QS encompasses the best protection features – lower I2t to provide better protection for equipment, longer life when subjected to cyclic loading and lower watts loss. A50QS is today’s best choice for the protection of dynamic solid state equipment such as motor drives, inverters, UPS, etc.

More specifications


  • Protection of 500V or less motor drives, UPS, inverters, etc.

Product Specifications

Item Number


Item Description (ERP)

14006-FUSE,FORM 101  

Short Description

Semiconductor Fuse Amp-Trap® 500V 100A aR High Speed A50QS Type 4Y  



Rated voltage AC UL

500   V

Rated voltage DC UL

500   V

Ampere Rating

100   A


High Speed  



AC Max I.R./Breaking Capacity: I1

50   kA

Connection/Terminal Material

Tin-Plated Brass  

Connection/Terminal Type


Body/Insulating Material


Product Weight

0.25   lb

Product Diameter

1   in

Product Length

3.63   in

Sell Pack Quantity

20   Each

Sell Pack Weight

5.25   lb

Sell Pack Width

5.25   in

Sell Pack Length

6.75   in

Sell Pack Height

2.12   in