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
Country / Language:  Canada / English
Contact us

Approvals & Standards

 

  • UL Listed to Standard 248-9 File E2137
  • CSA Certified to Standard C22.2 No. 248.9 (The Canadian Electrical Code requires these fuses in ratings 15 through 60A to be of the low melting point design; use OTN 15-60.)
  • Self-certified for DC per UL248

 

Key features & benefits

One-Time OTS general purpose fuses provide low cost protection for feeder and branch-circuits serving lighting, heating, and other non-motor loads. OTS fuses will safely interrupt available short circuit currents up to 50,000 amperes in all ratings. OTS fuses are not rejection fuses and care should be taken to ensure that replacement fuses do not have lower interrupting ratings than original fuses.

More specifications

Applications

 

  • Feeders
  • Branch circuits
  • Resistive heating
  • Residential and small commercial installations

 

Product Specifications

Frequency (Hz)

50/60   Hz

Ampere range

1 to 600 A  

Fuse class

Class K5  

Speed/Characteristic

Fast-Acting  

UL file number

File E2137  

UL Category Code

JDDZ  

CSA File number

Class 1421-01 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  (36)

OTS3

3   A

-

-

No

0.0499   kg

OTS30

30   A

-

-

No

0.0499   kg

OTS300

300   A

-

-

No

1.6057   kg

OTS35

35   A

-

-

No

0.1043   kg

OTS350

350   A

-

-

No

1.6057   kg

OTS4

4   A

-

-

No

0.0499   kg

OTS40

40   A

-

-

No

0.1043   kg

OTS400

400   A

-

-

No

1.6057   kg

OTS45

45   A

-

-

No

0.1043   kg

OTS450

450   A

-

-

No

2.3133   kg

OTS5

5   A

-

-

No

0.0499   kg

OTS50

50   A

-

-

No

0.1043   kg

OTS500

500   A

-

-

No

2.3133   kg

OTS6

6   A

-

-

No

0.0499   kg

OTS60

60   A

-

-

No

0.1043   kg