Mersen: Traction Applications Product Locator

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Provide the information requested below to help us find the right fuse for your application.

Fields marked with * are required.

Name *

Title

Company *

Address *

City *

State/Province *

Country *

Zip/Postal Code *

Phone *

Fax

E-mail *

Provide a general description of your application.

What is the fuse protecting?

Where is the fuse located?

If replacing an existing protective device, provide:

Part Number
Description
Voltage Rating
Ampere Rating
Interrupting Rating

How is the fuse mounted?

What are the preferred fuse mounting dimensions and type?

Do you require blown fuse indication?

Yes No
If yes, choose indication:
Visual Remote

How is the fuse mounted?

Free air Enclosure
If in an enclosure, describe.

Is the fuse exposed to weather?

What is the ambient temperature directly surrounding the fuse?

Is there forced-air cooling flowing directly over the fuse? Yes No

If yes, what is the speed/temperature of the cooling air?

What are the vibration requirements for the fuse?

Are there any specific labeling or packaging requirements?
Yes No

If yes, describe.

Describe the electrical system, including the fuse location and
other components; include values for the components.

What is the nominal voltage?
AC DC

What is the maximum voltage?
AC DC

If voltage is DC, what are the maximum and
minimum L/R time constants?

What is the maximum current the fuse should interrupt
and in what time frame?

What is the minimum current the fuse should interrupt
and in what time frame?

What are the minimum and maximum currents that should
not cause the fuse to operate?

How long is the fuse subjected to these currents? Include occasional
inrush currents or overloads caused by tripping breakers or other devices.

What fuse ratings might be needed?
AC DC

Rated voltage
Rated current
Minimum interrupting rating
Maximum interrupting rating

Is the fuse expected to clear during arcing faults?
Yes No

If yes, specify the conditions the fuse must operate under:
Minimum current
Maximum current
Minimum timeframe
Maximum timeframe

What is the typical or worst-case load profile as seen by the fuse (RMS current)?

What is the life expectancy of the fuse under these conditions?

For shoe or collector fuses, what percent of the time will fuses see 100% of the load current (i.e., when there is a non-functional or broken shoe and the partner must carry the entire load current)?

Does the vehicle pull or push a non-functional vehicle from a dead stop?
Yes No

If yes, should the fuse withstand this condition?
Yes No

What is the load current profile (how much for
how long) under these conditions and how often
do these conditions occur?

For shoe or collector fuses, what are the expected overload current and time profile that occur when a substation is non-functional and the vehicle shoe fuses bridge the gap, feeding the third rail that has no power?

Describe any other abnormal condition the fuse must withstand.

Additional Comments