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Mersen

Mersen TRS50R 50A 600V Class RK5 Time-Delay Fuse

Part Number: TRS50R

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Mersen TRS50R provides a 50A rating within the TRS-R Series. The electrical profile is 600V AC / 300V DC, with 200kA AC / 20kA DC published interrupting performance. This makes it suitable where time-delay protection for motor and transformer starting currents.

Rated Current50A
Rated Voltage600V AC / 300V DC
Breaking Capacity200kA AC / 20kA DC
PackageClass R

Designed within Mersen’s TRS-R Series, TRS50R carries a 50A rating and Class RK5 form factor. The published rating combines 600V AC / 300V DC operation and 200kA AC / 20kA DC short-circuit capability. For application coordination, note its time-delay protection for motor and transformer starting currents. The Class R format uses ferrule / blade (amp-dependent) terminals with cartridge/clip mounting. Typical selection contexts include Branch Circuits, Motor Circuits, Transformers. For design release, confirm coordination, dimensions and approval details in the official Mersen documentation.

Technical Specifications

Part Number
TRS50R
Manufacturer Part Number
TRS50R
Series
TRS-R Series
Fuse Type
Current-Limiting Time-Delay Class RK5 Fuse
Current Rating
50A
Voltage Rating
600V AC / 300V DC
AC / DC
AC/DC
Breaking Capacity
200kA AC / 20kA DC
Package / Dimensions
Class R
Mounting
Cartridge / Clip
Application
Branch Circuit Protection · Feeder circuits · Motor Circuits · Service entrance · Transformers
Standard
CSA C22.2 No. 248.12 · UL 248-12
Terminal Type
Ferrule / Blade (amp-dependent)
Fuse Speed
Time Delay
Utilization Class
Class RK5
Approvals
CSA · UL Listed
Certifications
UL Listed · CSA
DC interrupting rating
20kA

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