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Mersen

Mersen TRS125R 125A 600V Class RK5 Time-Delay Fuse

Part Number: TRS125R

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TRS125R extends the Mersen TRS-R Series lineup with a 125A rating. Published electrical limits are 600V AC / 600V DC with 200kA AC / 100kA DC short-circuit capability. Its selection value is strongest where the circuit needs time-delay protection for motor and transformer starting currents.

Rated Current125A
Rated Voltage600V AC / 600V DC
Breaking Capacity200kA AC / 100kA DC
PackageClass R

At 125A, TRS125R is one of the rated options available in Mersen’s TRS-R Series. Its electrical envelope is 600V AC / 600V DC, supported by 200kA AC / 100kA DC interrupting data. 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
TRS125R
Manufacturer Part Number
TRS125R
Series
TRS-R Series
Fuse Type
Current-Limiting Time-Delay Class RK5 Fuse
Current Rating
125A
Voltage Rating
600V AC / 600V DC
AC / DC
AC/DC
Breaking Capacity
200kA AC / 100kA 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
100kA

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