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Small cylindrical ceramic fuse with metal end caps

Bussmann

Bussmann MDA-3/4-R Ceramic Fuse 0.75A 250V 10kA 35A line protection

SKU CH-NMA3-NAHFZ

Ceramic time-delay fuse rated .75 A at 250 V AC with 10 kA interrupt at 125 V and 35 A at 250 V

  • Time-delay operation handles inrush surges without nuisance trips
  • Ceramic body withstands high interrupt energy up to 10 kA
  • 75 A rating protects circuits at 250 V AC
  • Compact 1-1/4 in × 1/4 in size fits standard fuse blocks
  • Cross-referenced to Littelfuse 326 and Mersen GSA series

Bussmann MDA-3/4-R Ceramic Fuse 0.75A 250V

The Bussmann MDA-3/4-R is a ceramic time-delay fuse rated at 0.75 amps and 250 volts AC. It provides line protection with interrupt ratings of 10kA at 125V AC and 35A at 250V AC. The cylindrical body measures 1-1/4 inches long by 1/4 inch diameter. This new component suits maintenance and replacement tasks in compatible fuse blocks.

Suited for circuits needing time-delay ceramic

This fuse fits applications requiring MDA series time-delay characteristics in a 1-1/4 x 1/4 inch ceramic package. It crosses to Littelfuse 326 and Mersen GSA equivalents for interchangeability. Buyers needing fast-acting or indicating fuses should look elsewhere. Installations requiring rejection-style bodies or different voltage ratings cannot use this part.

0.75A 250V AC time-delay ceramic fuse

The decisive specification is the 0.75 ampere time-delay rating at 250 volts AC with ceramic construction. This defines the overcurrent behaviour and physical fit in 3823, HFA, HHN, HK, HKP, HPF, HRK, HTB, and S-8000 series fuse blocks. Verify the exact ampere rating and time-delay curve match the circuit design before purchasing.

How it compares

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Price $19.99
Cheaper than about 79% of the 1,135 comparable items (median $54.99).

Specifications

Product
Brand nameEATON BUSSMANN

Questions about this item

Which interrupt rating should I select for a 250 V AC line?

At 250 V AC the fuse is rated to interrupt 35 A; at 125 V AC it is rated for 10 kA.

What does the 0.75 A rating mean when the fuse is installed?

The fuse carries up to 0.75 A continuously and opens on sustained overloads thanks to its time-delay characteristic.

What fuse block series does the cylindrical 1-1/4 in x 1/4 in body fit?

It fits compatible fuse block series 3823, HFA, HHN, HK, HKP, HPF, HRK, HTB and S-8000.

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