Mersen TRS40R Fuse Tri-Onic 600V 40A Class RK5 Time-Delay, 1.06 Inch Diameter, Time Delay
Mersen TRS40R Fuse Tri-Onic 600V 40A Class RK5 Time-Delay, 1.06 Inch Diameter, Time Delay
- MPN: TRS40R
- UPC: 782001749019
- PPN: FER-TRS40R
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Description
Tri-Onic TRS-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 TRS-R safely handle harmless starting currents and inrush currents associated with today's motors and transformers.
Features
- The Mersen TRS40R is a 40-Amp, 600V AC Class RK5 time-delay fuse. Part of the popular Tri-Onic® series, it is an industrial-standard "current-limiting" fuse designed to provide high-performance overcurrent protection for motors, transformers, and feeder circuits.
- Engineered with a dual-element design, the TRS40R provides a time-delay characteristic that allows it to carry harmless temporary surges—such as the high inrush current seen when a motor or transformer starts up—without blowing. This eliminates "nuisance tripping" while still providing fast-acting protection against dangerous short circuits.
- The "R" in TRS40R denotes a rejection-style design. When used with a Class R fuse block, the rejection feature prevents the installation of lower-rated Class H or K fuses, which have the same physical dimensions but significantly lower interrupting ratings. This ensures your system always maintains its intended level of safety and fault-clearing capability.
- The TRS40R is rated for an impressive 200,000 Amps (200kA) interrupting rating at 600V AC. This means it can safely clear massive short-circuit faults without the risk of an explosion, making it suitable for use in heavy industrial facilities and service entrance equipment where high fault currents are possible.
- In addition to its 600V AC rating, the TRS40R is officially rated for 300V DC (20kA I.R.). This makes it a versatile choice for a wide range of industrial applications, including battery backup systems, DC motor drives, and solar power equipment where 600V AC and 300V DC ratings are often required side-by-side.
Specifications
- Voltage
- 600 V AC , 300 V DC
- Fuse Class
- Class RK5
- Current Limiting
- Yes
- Diameter
- 1.06 in
- Interrupt Rating DC
- 20 kA (1/10-60 A), 100 kA (70-600 A)
- Frequency
- 50/60 Hz
- Material
- PolyTube Body, Copper Ferrule Terminal
- Rated Voltage AC UL
- 600 V
Amperage40 A
Time DelayYes
Length5.5 in
Interrupt Rating AC200 kA
Weight0.319 lb
MountingClip
Rated Voltage DC UL300 V
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