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Mersen

Mersen TRS20R 20A 600V Class RK5 Time-Delay Fuse

Part Number: TRS20R

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Mersen specifies TRS20R as a 20A device in the TRS-R Series. The datasheet specifies 600V AC / 300V DC and 200kA AC / 20kA DC interrupting capability. Its selection value is strongest where the circuit needs time-delay protection for motor and transformer starting currents.

Rated Current20A
Rated Voltage600V AC / 300V DC
Breaking Capacity200kA AC / 20kA DC
PackageClass R

For applications specifying Class RK5, Mersen TRS20R supplies the 20A rating in the TRS-R Series. Selection data centers on a 600V AC / 300V DC voltage rating and 200kA AC / 20kA DC interrupting rating. The series is engineered around 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 Service Entrance, Feeders, Branch Circuits. Final application limits and dimensional details should be verified against Mersen’s official datasheet.

Technical Specifications

Part Number
TRS20R
Manufacturer Part Number
TRS20R
Series
TRS-R Series
Fuse Type
Current-Limiting Time-Delay Class RK5 Fuse
Current Rating
20A
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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