Bussmann
Bussmann MDA-1/4-R Ceramic Fuse 0.25A 10kA 125V 35A 250V line protection
Ceramic time-delay fuse rated 0.25 A with 10 kA interrupt at 125 V AC and 35 A at 250 V AC
- Time-delay design tolerates brief surges without nuisance trips
- Ceramic body withstands high interrupting energy
- 10 kA rating at 125 V AC handles heavy fault currents
- 35 A rating at 250 V AC covers higher-voltage circuits
- Standard 1-1/4 in × 1/4 in size fits common fuse blocks
MDA-1/4-R Ceramic Fuse 0.25A 10kA 125V 35A 250V
The MDA-1/4-R is a cylindrical ceramic fuse rated at 0.25 A with time-delay characteristics. It carries a 10 kA interrupt rating at 125 V AC and 35 A at 250 V AC. The body measures 1-1/4 in length by 1/4 in diameter. It is designed for line protection in electrical circuits.
Suits circuits needing 0.25 A time-delay ceramic
This fuse suits low-current circuits that require a 0.25 A time-delay element with a ceramic body. It fits compatible fuse blocks such as the 3823, HFA, HHN, HK, HKP, HPF, HRK, HTB and S-8000 series. Buyers who need a different current rating, a fast-acting response, a rejection-style fuse or a higher interrupt rating at 250 V AC should look elsewhere.
0.25 A time-delay ceramic element
The decisive specification is the 0.25 A time-delay rating combined with a 10 kA interrupt capacity at 125 V AC. This defines the overcurrent profile the fuse will tolerate before opening. Verify that the circuit voltage and available fault current match these ratings before installation.
Highlights
- Time-delay design tolerates brief surges without nuisance trips
- Ceramic body withstands high interrupting energy
- 10 kA rating at 125 V AC handles heavy fault currents
- 35 A rating at 250 V AC covers higher-voltage circuits
- Standard 1-1/4 in × 1/4 in size fits common fuse blocks
Specifications
| Brand | EATON BUSSMANN |
|---|
Questions about this item
Should I pick the 0.25 A version or a higher current rating for my circuit?
Choose the 0.25 A rating only if your circuit's normal current is at or below that value; a higher rating will not protect the wiring at the intended level.
What does the 10 kA at 125 V AC interrupt rating mean when the fuse is installed?
It means the fuse can safely break a fault current of up to 10 kA on a 125 V AC supply without rupturing.
How does the 35 A at 250 V AC rating limit the fuse's use in higher-voltage circuits?
On 250 V AC systems the fuse is only rated to interrupt faults up to 35 A, so it must not be used where prospective short-circuit current exceeds that value.
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