Bussmann MDA-3-R Time Delay Fuse

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

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.