Skip to main content

All locations

Please select your country & language

China | 中国
Germany | Deutschland

Your country is not in the list?

Go to our international website:

Mersen EP International website
Contact us

Approvals & Standards

  • UL listed to standard 248-12 File E2137
  • CSA certified to standard C22.2 no. 248.12
  • DC listed to UL standard 248 TRS only

Key features & benefits

Tri-Onic TR-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 TR-R safely handle harmless starting currents and inrush currents associated with today's motors and transformers.

More specifications

Applications

  • Motor circuits
  • Mains
  • Feeders
  • Branch circuits
  • Transformers
  • Service entrance equipment
  • General-purpose equipment

Product Specifications

Frequency (Hz)

50/60   Hz

Ampere range

1/10 to 600 A  

Fuse class

Class RK5  

Speed/Characteristic

Time Delay  

UL file number

File E2137  

UL Category Code

JDDZ  

CSA File number

Class 1422-02 Guide 012636_0  

REACH Compliant

Yes  

Max Operating Temp.

80   °C

Max Storage Temp.

80   °C

Min Storage Temp.

-25   °C

Harmonized System

853610  

References in this series  (101)

TR500RID

500   A

-

-

Yes  

1.3304   kg

TR50R

50   A

-

-

No

0.054   kg

TR50R-3PK

50   A

-

-

No

0.0612   kg

TR50RID

50   A

-

-

Yes  

0.054   kg

TR5R

5   A

-

-

No

0.0168   kg

TR6-1/4R

6.25   A

-

-

No

0.0168   kg

TR6/10R

0.6   A

-

-

No

0.0168   kg

TR600R

600   A

-

-

No

1.3304   kg

TR600RID

600   A

-

-

Yes  

1.3304   kg

TR60R

60   A

-

-

No

0.054   kg

TR60R-3PK

60   A

-

-

No

0.0612   kg

TR60RID

60   A

-

-

Yes  

0.054   kg

TR6R

6   A

-

-

No

0.0168   kg

TR70R

70   A

-

-

No

0.1374   kg

TR70RID

70   A

-

-

Yes  

0.1374   kg