Mersen/Ferraz Shawmut TR150R 150A 250V Class RK5 Time-Delay Fuse
Mersen/Ferraz Shawmut TR150R 150A 250V Class RK5 Time-Delay Fuse

Disclaimer: Actual product colors may vary slightly from the images shown due to different monitor settings and lighting conditions during photo shoots.

Ferraz Shawmut

Mersen/Ferraz Shawmut TR150R 150A 250V Class RK5 Time-Delay Fuse

In stock
SKU: TR150R UPC: 782001748067
(0)
$38.00
-20% $47.50 $38.00
In stock
Usually ships within 24 hours
Condition

TR150R is a 250V Mersen Tri-Onic time-delay fuse—not a 600V renewable fuse. The 150A blade fuse belongs to the TR-R Class RK5 series and is current-limiting, dual-element protection designed to tolerate normal short-duration inrush while responding to sustained overcurrent.

TR150R specifications

  • Mersen item: TR150R
  • Legacy brand: Ferraz Shawmut
  • Series / class: TR-R, Class RK5
  • Construction: Time-delay, current-limiting blade fuse
  • Ampere rating: 150A
  • Voltage rating: 250V AC / 250V DC
  • Frequency: 50/60 Hz
  • UPC: 782001748067

The catalog number prevents a voltage mistake

Mersen uses the TR-R family for 250V Class RK5 fuses. A 600V requirement calls for a different catalog family; the 600V wording inherited by this listing was incorrect. TR150R is also a replaceable fuse, not a renewable fuse link assembly.

Fuse coordination comes before substitution

Match class RK5, 150A rating, 250V AC/DC limit, time-delay curve, dimensions, holder rejection feature, and required interrupt rating to the equipment documentation. Never install this part on a 600V circuit. A qualified electrical professional should verify selective coordination and replacement suitability.

There is a $15 charge for delivery. Additional charges will be imposed by our couriers for delivery to remote areas, a surcharge may be levied to cover carriage to these areas.

Warranty Coverage

We stand behind every product we sell. Coverage depends on the condition of the item at time of purchase:

  • New: 12-month warranty
  • New Open Box: 10-month warranty
  • Reconditioned: 90-day warranty

Warranty coverage begins on the date of delivery and covers manufacturing and functional defects under normal use. It does not cover damage from misuse, improper installation, or unauthorized repair. To make a warranty claim, contact us at support@breakersmart.com with your order number and a description of the issue.