Browse Categories

Fuse Tri-Onic® 250V 450A Time-Delay Class RK5 TR Series

Item #: TR450R

Product Info

TR-450R
Mersen

Tri-Onic TR-R current-limiting time-delay fuses are engineered for overcurrent protection of motors, transformers, service entrance equipment, feeders and branch-circuits. The time-delay characteristics of the TR-R safely handle harmless starting currents and inrush currents associated with today's motors and transformers.

Rejection-style design prevents replacement errors (when used with recommended fuse blocks); Feeders; Transformers; UL listed to standard 248-12 File E2137; Fiberglass body provides dimensional stability in harsh industrial settings; DC listed to UL standard 248 TRS only; CSA certified to standard C22.2 no. 248.12; Motor circuits; AC & DC rated; Easy-to-read label for quick brand recognition and replacement; Metal-embossed date and catalog number for traceability and lasting identification; High-grade silica filler ensures fast arc quenching and high current limitation; Mains; Time-delay for motor start-ups and transformer inrush currents without nuisance opening; Optional solid state SmartSpot blown fuse indicator; Current-limiting; Current-limiting for low peak let-thru current; Branch circuits; Time-delay; General-purpose equipment; Service entrance equipment

Item Specifications

  • 450 A
  • 2.56 in
  • 60 Hz
  • Class RK5
  • PolyTube
  • 10.38 in
  • Clip
  • 2.56 in
  • 10.38 in
  • 3.1 lb
  • 250 V
  • 250 V
  • 160 V
  • 160 V
  • 10.81 in
  • 2.62 in
  • 1 Each
  • 3.26 lb
  • 2.62 in
  • Tin-Plated Copper
  • Blade
  • 3.1 lb
$283.58 /EA
NOT CURRENTLY IN STOCK
QTY:

Have Questions?

Ask our experts: