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MfrCode BUSS
PRODUCT NAME POWER FUSE
MFR FULLNAME COOPER BUSSMANN
LENGTH 2.75 INCH
VOLTAGE RATING 300 VAC/160 VDC
INTERRUPTING RATING 200000 AMPERE (SYMMETRICAL), 20000 AMPERE (DC)
TYPE CLASS T
ADDITIONAL INFORMATION CURRENT LIMITING
APPROVAL UL 248-15, CSA, CE
TERMINAL TYPE BLADE
CHARACTERISTICS VERY FAST ACTING

Class "T" fuses have a high arc interrupt rating and are specially designed to break and smother a direct current arc when the fuse blows. Voltage: Up to 160 volts VDC Code installations usually require a Class T fuse
When choosing a fuse you should consider two things.
1. The first is the system voltage.
2. The second is the amperage rating of the system, always match the fuse to the wire/cable amperage rating and the load. The load amperage rating should not exceed the amp capacity of the wire or cable and the components such as the Motor and Controller.

Class T fuses have a high arc interrupt rating and are specially designed to
break and smother a direct current arc when the fuse blows.

This opens the circuit and can help prevent catastrophic battery damage.
A Class T fuse should be placed as close to the battery(s) as
possible.
Everything running into and out of your batteries should go through
the Class T fuse.

The d.c. voltage ratings on these Class T JJN fuses are:

15 to 100 amp fuses = 300 volts d.c.
101 to 600 amp fuses = 160 volts d.c.
801 to 1200 amp fuses = 170 volts d.c.

JLLN fuses are the same dimensions as the JJN and have a 125 volt d.c. rating.
A3T fuses are the same dimensions as the JJN and JLLN and have a
160 volt d.c. rating.

Class T fuses have an Arc Interrupt Rating Current of 20,000 amps D.C. and
200,000 amps A.C.

Code installations usually require a Class T fuse.

Widely used in alternative energy, recreational vehicles rv,
telecommunications and back-up
power systems.

The center to center hole spacing on the mounting tabs
are: 110 to 200 amp fuse app. 1.69 and the 225 to 400 amp
fuses are app. 1.84".