Bussmann 63MJ318 BS88/J Utility Fuse-Link, 415V AC, gU Type

Bussmann 63MJ318 BS88/J Utility Fuse-Link, 415V AC, gU Type

The Bussmann 63MJ318 is a low-voltage utility fuse-link built to the BS88/J standard, rated AC 415V and available in this family across 63A and 315A options to match a range of circuit protection needs. Constructed as a gU type 7 fuse-link with a 38 x 131 mm bolted-tag envelope and dual slotted bolted tags, it delivers a rated interrupt (breaking) capacity of 80 kAIC (80 kA) for demanding fault-current conditions. It is CE marked and manufactured to BS certification, making it a dependable choice for utility, industrial, and commercial low-voltage protection applications.

Key Features

• Amp Rating Options: Available in 63A and 315A ratings within the BS88/J utility fuse-link family, allowing the correct selection for the connected load and circuit.
• Voltage Rating: Rated AC 415V for low-voltage utility and industrial distribution circuits.
• Physical Size: 38 x 131 mm bolted-tag body dimensions sized for standard BS88/J fuse carriers and fuse boards.
• Connection Style: Dual slotted bolted tags provide a secure, low-resistance utility-grade termination.
• Fuse Type: gU type 7 fuse-link construction per the BS88/J specification for general application protection.
• Interrupt Rating: 80 kAIC (80 kA) breaking capacity supports reliable protection under high fault-current conditions.
• Voltage Type: AC voltage type for alternating current low-voltage systems.
• Compliance: CE marked and manufactured to BS certification standards.

Certifications & Compliance

• CE Marked
• BS Certified (BS88/J Standard)

Technical Specifications

• Class: Other
• Voltage Type: AC
• Insulated Metal Gripping Lugs Imgl: No
• Compliances: CE Marked
• Utilization Category: Other
• Interrupt Rating: 80 kAIC
• Fuse Shape: Dual slotted bolted tags
• Certifications: BS
• Breaking Capacity: 80 kA
• Rated Switching Capacity: 80 kA
• Voltage Rating: 415V

Typical Applications

• Utility and Industrial Power Distribution
• Low-Voltage Switchgear and Fuse Boards
• Motor and Feeder Circuit Protection
• Panelboard and Switchboard Installations
• Commercial and Industrial Electrical Systems

Why Bussmann?

Bussmann fuse-links are engineered to recognized standards, and this BS88/J gU type 7 fuse-link backs that reputation with an 80 kAIC interrupt rating, CE marking, and BS certification. The dual slotted bolted-tag design and standardized 38 x 131 mm envelope ensure a secure fit in compatible fuse carriers, giving electrical professionals a dependable option for code-compliant low-voltage circuit protection across 63A and 315A ratings.