Bussmann GLR-3 Small Dimension Fast-Acting Fuse

Bussmann GLR-3 Small Dimension Fast-Acting Fuse, 300V

The Bussmann GLR-3 is a fast-acting fuse manufactured as part of the Eaton Bussmann series, purpose-built as a small dimension fuse rated for 300V circuits. Fast-acting fuses like the GLR-3 are engineered to respond quickly to overcurrent and short-circuit conditions, opening the circuit to help protect wiring, components, and connected equipment from damage. The compact small-dimension form factor of the GLR-3 makes it well suited for equipment, control panels, and enclosures where physical space is limited but reliable overcurrent protection is still required. As part of the trusted Eaton Bussmann series lineup, the GLR-3 reflects the circuit protection engineering and manufacturing standards long associated with the Bussmann brand, making it a practical choice for maintenance, repair, and original equipment fuse replacement across commercial and industrial electrical systems.

Key Features

• Series: GLR-3 designation, part of the Eaton Bussmann series fast-acting fuse family.
• Fast-Acting Response: Opens quickly under overcurrent and short-circuit conditions to help limit fault exposure on protected circuits and equipment.
• Voltage Rating: Rated 300V, suitable for use in circuits operating at or below this voltage.
• Small Dimension Design: Compact small-dimension fuse body sized to fit equipment, panels, and control circuits where space is limited.
• Circuit Protection Function: Helps safeguard downstream wiring, components, and connected loads from damage caused by overcurrent and fault events.
• Replacement Compatibility: Suitable as a replacement fuse wherever a GLR-3 or equivalent Eaton Bussmann small dimension fast-acting fuse is specified.
• Bussmann Engineering: Manufactured under the Eaton Bussmann series, reflecting the circuit protection expertise long associated with the Bussmann brand.

Technical Specifications

• Refer to manufacturer documentation for complete technical specifications.

Typical Applications

• Overcurrent protection for electrical and electronic equipment operating on 300V or lower circuits.
• Panelboard, control panel, and equipment fuse protection where a compact, small-dimension form factor is required.
• Replacement fuse for original equipment and control systems specifying a GLR-3 or equivalent Eaton Bussmann fast-acting fuse.
• Control circuit and instrumentation protection within 300V-rated systems.
• Industrial, commercial, and MRO electrical maintenance fuse replacement stock.
• Backup and spare fuse inventory for facilities standardizing on Eaton Bussmann series fast-acting fuses.

Why Bussmann?

Bussmann, part of Eaton, has long been recognized for circuit protection products, and the GLR-3 fast-acting fuse continues that standard with a small dimension design rated for 300V service. Choosing a genuine Eaton Bussmann series fuse like the GLR-3 helps ensure a proper fit and dependable overcurrent response for equipment and circuits engineered around Bussmann specifications. Keeping GLR-3 fuses on hand supports fast, reliable replacement when fast-acting overcurrent protection is needed.