Bussmann S-6-1/4 Fustat Fuse, ...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$34.19
Bussmann S-6-1/4 Fustat Fuse, 6-1/4A Rated

Bussmann S-6-1/4 Fustat Fuse, 6-1/4A Rated

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Model: S-6-1/4

In Stock (leaves warehouse same day if ordered before 3pm ET)

$34.19
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Bussmann S-6-1/4 Fustat Fuse, 6-1/4A Rated

The Bussmann S-6-1/4 is a Fustat fuse rated at 6-1/4A, engineered to provide dependable overcurrent protection for electrical circuits in residential and light commercial applications. As part of Bussmann's widely recognized Fustat fuse lineup, the S-6-1/4 model is designed to open the circuit when current draw exceeds its 6-1/4A rating, helping protect branch circuit wiring, connected equipment, and the panel itself from damage caused by sustained overcurrent conditions. Marked clearly with its S-6-1/4 model designation and 6-1/4A rating, this fuse is intended as a like-for-like replacement in fuse panels and fuse boxes built to accept the Fustat-style fuse format. Selecting a fuse with the correct amperage rating, such as the 6-1/4A rating of this Bussmann Fustat fuse, helps maintain the intended level of circuit protection for the application it serves.

Key Features

  • Amperage Rating: 6-1/4A precise rating for calibrated overcurrent protection on the circuit it serves.
  • Fustat Fuse Design: Bussmann Fustat construction for dependable, consistent circuit protection performance.
  • Model S-6-1/4: Clearly marked rating and model designation for easy identification and replacement.
  • Exact Rating Match: The 6-1/4A rating is precisely calibrated, so replacing an existing fuse with the same S-6-1/4 model helps preserve the original circuit protection design.
  • Bussmann Brand: Manufactured by Bussmann, a recognized name in fuses and circuit protection devices.

Technical Specifications

  • Amperage Rating: 6-1/4A
  • Fuse Type: Fustat
  • Model: S-6-1/4
  • Brand: Bussmann

Typical Applications

  • Residential and Light Commercial Fuse Panels
  • Fuse Box Overcurrent Protection
  • Branch Circuit Protection
  • Replacement Fuse for Existing Fustat-Compatible Panels
  • Maintenance and Repair of Older Fuse-Based Electrical Systems

Why Bussmann?

Bussmann is a recognized manufacturer of fuses and circuit protection products, and the S-6-1/4 Fustat fuse reflects that standard with a precisely rated 6-1/4A design intended for dependable overcurrent protection. Choosing a properly rated Bussmann Fustat fuse, matched to the original S-6-1/4 model and 6-1/4A rating, helps ensure the circuit is protected according to its intended design, supporting safe and reliable operation of connected wiring and equipment. When replacing a fuse, using the correct Bussmann Fustat model helps maintain consistent protection across the electrical system.

Manufacturer Resources

Product Specs

list_batch:
BUSS-20260919
Product Type:
Plug Fuse
Amperage Rating:
6-1/4A
Department:
Electrical
Product Subgroup:
Fuses
Product Group:
Circuit Protection

Bussmann S-6-1/4 – Frequently Asked Questions

1) Will a Bussmann S-6-1/4 Fustat fuse screw into a standard Edison-base fuse holder?
No. The S-6-1/4 is a Type S (Fustat) fuse, so it seats in a Type S adapter base rather than directly in a plain Edison screw shell. If your panel still has open Edison sockets, you need the matching Type S adapter installed in the socket first; once that adapter is in, only 6-1/4A Type S fuses will fit it. In a panel already converted to Fustat, the S-6-1/4 drops straight in as a like-for-like replacement.
2) Can I put a 6-1/4 amp Fustat fuse in a socket that had a 15 amp fuse in it?
Not if the socket has a Type S adapter sized for 15A. Type S adapters are amp-specific, and a 6-1/4A fuse will not thread into a 15A adapter. Going the other way is the point of the system: once a 6-1/4A adapter is in place, nobody can overfuse that circuit later. Match the fuse rating, the adapter rating, and the circuit's design rating.
3) Do I need to buy the adapter separately from the Bussmann S-6-1/4 fuse?
The S-6-1/4 is sold as the fuse itself, rated 6-1/4A. The Type S adapter base is a separate item, and it must match the fuse amperage. If the socket has never been converted, order the 6-1/4A adapter along with the fuse; if the panel was converted previously, you only need the fuse.
4) What is a 6-1/4 amp fuse actually used for in a residential panel?
6-1/4A is an odd, small rating used where a circuit or piece of equipment needs protection well below the usual 15A branch circuit level, such as a dedicated control, appliance, or light-load circuit in an older fuse panel. It is not a general lighting and receptacle branch circuit rating. Use it only where the existing fuse or the equipment nameplate calls for 6-1/4A, since the whole value of the Bussmann Fustat line is keeping the original protection level intact.
5) I'm maintaining an old fuse box. Should I keep replacing fuses or convert to Type S?
For an existing fuse panel that is still serviceable, staying with Fustat is the straightforward path: the adapter locks the socket to one amp rating, so a tenant or handyman cannot drop a 30A fuse into a circuit that should be at 6-1/4A. That tamper resistance is the reason Type S exists. Bussmann's Fustat line, including the S-6-1/4, is intended for exactly this maintenance and repair work on older fuse-based systems.
6) Is the Bussmann Fustat S-6-1/4 a time delay fuse or a fast acting one?
The S-6-1/4 is part of Bussmann's Fustat family, a Type S plug fuse rated 6-1/4A for branch circuit and equipment overcurrent protection. Order it by the S-6-1/4 marking on the fuse face, which is how the rating and model are identified in the panel.
How fast can I get the Bussmann S-6-1/4 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Bussmann S-6-1/4 come with a warranty?
Absolutely. The Bussmann S-6-1/4 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Bussmann S-6-1/4?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
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