Bussmann Eaton Bussmann Series MDA-5-R Time-Delay Fuse

Bussmann Eaton Bussmann Series MDA-5-R Time-Delay Fuse

The Bussmann MDA-5-R is a time-delay fuse from the Eaton Bussmann series, engineered to deliver dependable overcurrent protection for electrical circuits and connected equipment. As a time-delay (slow-blow) fuse, the MDA-5-R is designed to ride through brief current surges—such as motor inrush, transformer energizing, or other momentary spikes—without opening unnecessarily, while still interrupting current promptly during a sustained overload or short-circuit condition. Carrying the Bussmann name under the Eaton Bussmann series, this fuse reflects a long-standing standard of circuit-protection engineering trusted across industrial, commercial, and OEM electrical applications. The MDA-5-R is intended as a direct, code-conscious replacement wherever a time-delay fuse of this type and rating is specified.

Key Features

• Time-Delay Operation: Engineered with a time-delay (slow-blow) response, the MDA-5-R is built to tolerate temporary inrush current from motors, transformers, and similar loads. This characteristic helps reduce nuisance fuse openings while still providing protection against genuine overload and fault conditions.
• Eaton Bussmann Series: The MDA-5-R is part of the Eaton Bussmann series, pairing Bussmann's long history of fuse design with Eaton's broader electrical engineering resources. This lineage supports consistent manufacturing quality and dependable field performance.
• Model MDA-5-R Identification: The MDA-5-R part number allows for precise cross-referencing and replacement when servicing existing electrical panels, control cabinets, or OEM equipment. Using the correct model designation helps maintain the intended level of circuit protection.
• Reliable Overcurrent Protection: As a fuse, the MDA-5-R is designed to open and interrupt current flow when a circuit experiences a fault or sustained overload. This helps protect wiring, components, and connected equipment from damage caused by excess current.

Technical Specifications

• Refer to manufacturer documentation for complete technical specifications.

Typical Applications

• Motor Control Circuits
• Transformer and Inrush-Current Applications
• Industrial Control Panels
• OEM Equipment Protection
• General Purpose Electrical Circuit Protection

Why Bussmann?

Bussmann is a widely recognized name in circuit protection, and the Eaton Bussmann series reflects the combined engineering resources of both organizations. Specifying genuine Bussmann fuses, like the MDA-5-R, supports consistent performance when replacing or maintaining time-delay fuse protection in electrical systems. For professionals and facilities that rely on dependable overcurrent protection, choosing an established series such as Eaton Bussmann is a practical, code-conscious decision.