Bussmann MDA-3/4-R Time Delay Fuse

SKU: E9977AB1

$3.87

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Description

Bussmann MDA-3/4-R Time Delay Fuse

Precision Overcurrent Protection for Demanding Circuits

Engineered for reliability in complex electrical systems, the Bussmann MDA-3/4-R is a time-delay (slow-blow) fuse designed to protect sensitive equipment from damaging overloads and short circuits. Ideal for applications with high inrush currents, it combines robust performance with industry-leading safety standards.

Key Features

  • Time-Delay Design: Withstands temporary current surges (e.g., motor startups or transformer energization) without nuisance tripping, while providing reliable protection against sustained overloads.
  • Current Rating: 3/4 Amp (0.75A) for precise circuit matching.
  • Voltage Rating: 250V AC/DC, ensuring compatibility with residential, commercial, and industrial power systems.
  • Rejection Base (R-Type): Patented design prevents accidental installation of incorrect fuses, enhancing safety and compliance.
  • Fast-Acting Short-Circuit Response: Rapidly interrupts extreme fault currents to minimize equipment damage.
  • Durable Construction: Ceramic body with sand-filled arc quenching for consistent performance and longevity.

Applications

  • Motor control circuits
  • Transformers, solenoids, and power supplies
  • HVAC systems and compressors
  • Industrial automation panels
  • Lighting ballasts and inductive loads

Specifications

  • Type: MDA series cartridge fuse
  • Dimensions: Standard 1-1/4″ x 1/4″ (5x20mm)
  • Standards Compliance: UL 248-14 recognized, CSA certified
  • Interrupt Rating: 100kA (100,000 Amps)

Trusted by professionals worldwide, the MDA-3/4-R delivers Eaton Bussmann’s signature blend of innovation and safety—ensuring your critical systems operate smoothly under stress.

Always verify compatibility with your specific equipment. Replace with identical ratings only.

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Shipping and Returns
Returns are easy You may return items within 30 days of delivery for a refund. View our return policy FREE Shipping on orders over $49. Eaton Bussmann Fuse Relay Online Sales Store offers one to five day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s). Same Day Shipping We strive to ship out your items within one business day. In rare circumstances, Eaton Bussmann Fuse Relay Online Sales Store may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.
1-Year Warranty
Eaton Bussmann's fuses and relays for sale are brand new and come with a 1-year comprehensive warranty. Rest assured, all products are authentic OEM (original equipment manufacturer).