Fuse Tri-Onic® 250V 30A Time-Delay Class RK5, 0.56 Inch Diameter, 2 Inch Length
Mersen

Mersen TR30R Fuse Tri-Onic® 250V 30A Time-Delay Class RK5, 0.56 Inch Diameter, 2 Inch Length

  • MPN: TR30R
  • UPC: 782001747862
  • PPN: FER-TR30R

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Spec sheet

Description

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.

Features

  • The Mersen TR30R is a 30-Amp, 250V AC Class RK5 dual-element fuse. It is a time-delay, current-limiting fuse designed to provide high-performance protection for both service entrance equipment and individual motor branch circuits.
  • This fuse features a "dual-element" design that can handle the high inrush current (startup surge) of motors and transformers without blowing. It provides a minimum 10-second time-delay at 500% of the rated current, which eliminates "nuisance trips" during equipment startup while still providing fast-acting protection against short circuits.
  • The TR30R has a massive 200,000 Amp Interrupting Rating (AIC). This ensures that the fuse can safely clear extremely high-energy short circuits without exploding or failing, protecting your facility’s electrical infrastructure and ensuring personnel safety.
  • As a current-limiting fuse, the TR30R reacts so quickly to a fault that it physically prevents the short-circuit current from reaching its maximum destructive peak. This reduces the thermal and magnetic stress on your cables, contactors, and breakers, significantly decreasing the risk of equipment damage.

Documentation & Downloads

Specifications

Additional

Voltage
250 V AC / 160 V DC
Interrupting Rating AC
200 kA
Fuse Class
Class RK5
Fuse Type
Current-limiting
Length
2 in
Weight
0.037 lb
Connection Type
Ferrule
Material
PolyTube body, Fiberglass insulation
Approvals
UL Listed to 248-12, CSA Certified to C22.2 No. 248.12
Amperage30 A
Interrupting Rating DC20 kA (250 V)
Time DelayYes
Frequency50/60 Hz
Diameter0.56 in
MountingClip
Connection MaterialCopper
RoHS CompliantYes

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