Bussmann MDA-3-R Time Delay Fuse

SKU: 3922195F

$3.87

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Description

Bussmann MDA-3-R Time Delay Fuse

Reliable Overload Protection for Demanding Electrical Systems

The Bussmann MDA-3-R is a premium 3 Amp time-delay fuse designed to safeguard circuits against overloads and short circuits while accommodating temporary inrush currents. Engineered for resilience in industrial and commercial applications, it prevents nuisance tripping during motor startups or transient surges, ensuring uninterrupted operation without compromising safety.

Key Features & Benefits

  • Time-Delay Design: Withstands temporary current spikes (up to 10× rated load) without blowing, ideal for inductive loads like motors, transformers, and solenoids.
  • Precision Protection: Quickly interrupts sustained overloads and short circuits, minimizing equipment damage and downtime.
  • Robust Construction: Features a durable ceramic body and sand-filled quartz enclosure for superior arc suppression and thermal stability.
  • Easy Compliance: Meets UL 248-14 and CSA standards for fuses rated up to 250V AC/DC.
  • Optimized Form Factor: Standard 1/4″ × 1-1/4″ (5×20 mm) cartridge design for seamless replacement in compatible fuse holders.

Technical Specifications

Parameter Value
Amperage Rating 3 A
Voltage Rating 250V AC/DC
Time-Delay Class MDA (Slow-Blow)
Breaking Capacity High (10kA)
Operating Temp. -40°C to 100°C (-40°F to 212°F)
Standards UL 248-14, CSA Certified

Typical Applications

  • Motor control circuits
  • HVAC systems
  • Power supplies and transformers
  • Lighting ballasts
  • Industrial machinery and automation

Backed by Eaton’s Bussmann legacy of electrical safety, the MDA-3-R delivers dependable, code-compliant protection for critical infrastructure. Replace with exact amperage rating to maintain system integrity.

🔒 Safety Note: Always de-energize circuits before installation. For optimal performance, pair with UL-recognized fuse blocks or holders.

Part of the MDA Series – Trusted by professionals since 1914.

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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).