Mersen, formerly Ferraz Shawmut TRS-RDC Catalog Page
TRS-RDC Time-delay/Class RK5
DC Rated for tough DC applications
The Tri-Onic® DC fuse series is designed for DC circuit protection in surface and
underground mines. The TRS-RDC is MSHA approved and meets the industry’s
most severe third party requirements for 600VDC rated fuses. The TRS-RDC is a
time-delay fuse with essentially the same time-current characteristic as the standard
Tri-Onic fuse.
Features/Benefits:
• DC rated for mine duty and other long time-constant applications
• Time-delay for motor start-ups and high inrush loads without nuisance
opening
• Rugged glass melamine body for superior reliability in harsh environments
Highlights:
• Time-delay
• DC rated
Applications:
• Mine circuits
• Trailing cables
• Pump motors
• Rail heaters
Ratings:
Volts : 300VDC (0.1 to 30A)
: 600VDC (35 to 400A)
Amps : 1/10 to 400A
IR : 20kA I.R. DC
*consult factory for availability
Approvals:
• MSHA approval no. 28-26-0
B4
TRS-RDC Time-delay/Class RK5
Catalog Numbers (amps)
TRS1/10RDC TRS1-1/4RDC TRS3-1/2RDC TRS12RDC TRS70RDC
TRS15/100RDC TRS1-4/10RDC TRS4RDC TRS15RDC TRS80RDC
TRS2/10RDC TRS1-6/10RDC TRS4-1/2RDC TRS17-1/2RDC TRS90RDC
TRS3/10RDC TRS1-8/10RDC TRS5RDC TRS20RDC TRS100RDC
TRS4/10RDC TRS2RDC TRS5-6/10RDC TRS30RDC TRS125RDC
TRS1/2RDC TRS2-1/4RDC TRS6RDC TRS35RDC TRS150RDC
TRS6/10RDC TRS2-1/2RDC TRS6-1/4RDC TRS40RDC TRS175RDC
TRS8/10RDC TRS2-8/10RDC TRS8RDC TRS45RDC TRS200RDC
TRS1RDC TRS3RDC TRS9RDC TRS50RDC TRS250RDC
TRS1-1/8RDC TRS3-2/10RDC TRS10RDC TRS60RDC TRS300RDC
TRS400RDC
Recommended Fuse Blocks With
Box Connectors For Tri-Onic
Class RK5 Fuses
A variety of pole configurations and termination provisions
are available. Refer to Section H for details.
Dimensions
Ampere
Rating
0-30 5 127 13/16 21 - - - - - -
31-60 5-1/2 139 1-1/16 27 - - - - - -
61-100 7-7/8 200 1-5/16 34 1/8 3 3/4 19 1 25
101-200 9-5/8 244 1-13/16 46 3/16 5 1-1/8 28 1-3/8 35
201-400 11-5/8 295 2-9/16 66 1/4 6 1-5/8 41 1-7/8 48
A B C D E
In. mm In. mm In. mm In. mm In. mm
®
Fuse
Ampere
Rating
0-30 20306R 20308R 60306R 60308R
31-60 20606R 20608R 60606R 60608R
61-100 21036R 21038R 61036R 61038R
101-200 22001R 22003R 62001R 62003R
201-400 24001R 24003R 64001R 64003R
1-Pole 3-Pole 1-Pole 3-Pole
Catalog Number
250V 600V
B
0-60 Amperes
61-400 Amperes
For the most current product performance data visit us-ferrazshawmut.mersen.com and use catalog search.
B5
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