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MDL Slo-Blo Fuses

MDL Slo-Blo Fuses

The MDL Series Slo Blo Fuses are specifically designed to provide reliable and time-delayed overcurrent protection for a wide range of electrical and electronic applications. These fuses are ideal for circuits that experience high inrush currents, offering the necessary delay to manage temporary power surges effectively. The robust construction ensures enhanced durability and consistent performance, making these fuses a dependable choice for safeguarding your devices.

Specifications:

  • Type: Slo Blo (Time Delay)
  • Body Material: Glass
  • Current Rating: 0.1A to 30A
  • Voltage Rating: 250V AC
  • Interrupting Rating: 100A at 250V AC
  • Dimensions: 1/4 inch (6.3mm) diameter x 1 1/4 inch (31.8mm) length
  • Operating Temperature Range: -55°C to +125°C
  • Approvals: UL Listed, CSA Certified

The MDL Series Slo Blo Fuses are perfect for protecting your circuits and devices against overcurrent conditions while accommodating normal inrush currents, ensuring reliable and long-lasting operation in various electrical systems.

12 products


  • .125A 250V MDL Slow Blow Glass Fuses 5 pk

    Bussmann .125A 250V MDL Slow Blow Glass Fuses (5 pk)

    17 in stock

    Introducing the Bussmann BUSMDL-1/8AP Slow Blow Glass Fuses (5 pk) - a must-have for electronics technicians, IT professionals, and low voltage installers! 🛠️ Key Features: - Time-delay for added protection - Optional axial leads available - 1⁄4 x 1 1⁄4 (6.4 x 31.7mm) physical size - Glass tube with nickel-plated brass endcap construction - UL Listed product meeting standard 248-14 Specifications: - Current Rating: 1/8A - Voltage Rating: 250V - Pack Size: 5 fuses - Download the Bussmann MDL Fuses Spec Sheet for more details Tri-Tek Electronics is proud to be an authorized distributor of Bussmann products, ensuring you get top-quality items and excellent customer service. Don't miss out on this closeout special - limited stock available! Get yours today and safeguard your electronics with the best fuses in the market.

    17 in stock

    $7.40 $3.71

  • 5A 250V MDL Slow Blow Glass Fuses 5 pk

    Bussmann 5A 250V MDL Slow Blow Glass Fuses (5 pk)

    2 in stock

    Bussmann BUSMDL-5AP 5A 250V MDL Slow Blow Glass Fuses (5 pk)   Time-delay Optional axial leads available 1⁄4 x 1 1⁄4 (6.4 x 31.7mm) physical size Glass tube, nickel-plated brass endcap construction UL Listed product meets standard 248-14   Download Bussmann MDL Fuses Spec Sheet (.pdf)

    2 in stock

    $3.75 $2.81

  • 8A 250V MDL Slow Blow Glass Fuses 5 pk

    Bussmann 8A 250V MDL Slow Blow Glass Fuses (5 pk)

    4 in stock

    Bussmann BUSMDL-8AP 8A 250V MDL Slow Blow Glass Fuses (5 Pk)   Time-delay Optional axial leads available 1⁄4 x 1 1⁄4 (6.4 x 31.7mm) physical size Glass tube, nickel-plated brass endcap construction UL Listed product meets standard 248-14   Download Bussmann MDL Fuses Spec Sheet (.pdf)

    4 in stock

    $2.50 $2.11

  • .5A 250V MDL Slow Blow Glass Fuses 5 pk

    Bussmann .5A 250V MDL Slow Blow Glass Fuses (5 pk)

    4 in stock

    Bussmann BUSMDL-1/2A .5A 250V MDL Slow Blow Glass Fuses (5 Pk)   Time-delay Optional axial leads available 1⁄4 x 1 1⁄4 (6.4 x 31.7mm) physical size Glass tube, nickel-plated brass endcap construction UL Listed product meets standard 248-14   Download Bussmann MDL Fuses Spec Sheet (.pdf)

    4 in stock

    $5.65 $4.51

  • 7.5 Amp Slo-Blo, 1/4" x 1-1/4" Glass Tube, 2 Pk

    Philmore 7.5 Amp Slo-Blo, 1/4" x 1-1/4" Glass Tube, 2 Pk

    4 in stock

    Philmore SB 7-1/2, Slo-Blo Fuse - 7.5 Amp, 1/4" x 1-1/4" Glass Tube, 2 Pk   1/4" x 1-1/4" Slo-Blo Glass Tube 7-1/2 AMP 2 Pack

    4 in stock

    $1.79

  • 4A 250V MDL Slow Blow Glass Fuses 5 pk

    Bussmann 4A 250V MDL Slow Blow Glass Fuses (5 pk)

    3 in stock

    Bussmann BUSMDL-4AP 4A 250V MDL Slow Blow Glass Fuses (5 Pk)   Time-delay Optional axial leads available 1⁄4 x 1 1⁄4 (6.4 x 31.7mm) physical size Glass tube, nickel-plated brass endcap construction UL Listed product meets standard 248-14   Download Bussmann MDL Fuses Spec Sheet (.pdf)

    3 in stock

    $3.19 $2.79

  • 6A 250V MDL Slow Blow Glass Fuses 5 pk

    Bussmann 6A 250V MDL Slow Blow Glass Fuses (5 pk)

    3 in stock

    Bussmann BUSMDL-6AP 6A 250V MDL Slow Blow Glass Fuses (5 Pk)   Time-delay Optional axial leads available 1⁄4 x 1 1⁄4 (6.4 x 31.7mm) physical size Glass tube, nickel-plated brass endcap construction UL Listed product meets standard 248-14   Download Bussmann MDL Fuses Spec Sheet (.pdf)

    3 in stock

    $3.19 $2.79

  • 3 Amp Slo Blo, 1/4" x 1-1/4" Glass Tube, 2 Pk

    Philmore 3 Amp Slo Blo, 1/4" x 1-1/4" Glass Tube, 2 Pk

    2 in stock

    Philmore SB3, Slow Blow Fuse-3 Amp, 1/4" x 1-1/4" Glass Tube, 2 Pk   1/4" x 1-1/4" Slo-Blow Glass Tube 3 AMP 2 Pack  

    2 in stock

    $1.79

  • 1A 250V MDL Slow Blow Glass Fuses, 2/pkg.

    Philmore 1A 250V MDL Slow Blow Glass Fuses, 2/pkg.

    3 in stock

    Philmore SB1 250V SLOW BLOW GLASS FUSE-1 AMP Dimensions: 1/4" x 1" Amperage Rating: 1 Amp Voltage Rating: 250V Construction: Glass Test Conditions: Grade A U.L. Listed Qty: 2 per package

    3 in stock

    $1.79

  • 15A 32V MDL Slow Blow Glass Fuses 5 pk

    Bussmann 15A 32V MDL Slow Blow Glass Fuses (5 pk)

    2 in stock

    Bussmann BUSMDL-15A 15A 32V MDL Slow Blow Glass Fuses (5 Pk)   Time-delay Optional axial leads available 1⁄4 x 1 1⁄4 (6.4 x 31.7mm) physical size Glass tube, nickel-plated brass endcap construction UL Listed product meets standard 248-14   Download Bussmann MDL Fuses Spec Sheet (.pdf)  

    2 in stock

    $3.19 $2.51

  • 10A 250V MDL Slow Blow Glass Fuses 5 pk

    Bussmann 10A 250V MDL Slow Blow Glass Fuses (5 pk)

    3 in stock

    Introducing the Bussmann BUSMDL-10A Slow Blow Glass Fuses (5 pk) - a must-have for electronics technicians, IT professionals, and low voltage installers! 🛠️ Product Features: - Time-delay for optimal protection - Optional axial leads available - 1⁄4 x 1 1⁄4 (6.4 x 31.7mm) physical size - Glass tube with nickel-plated brass endcap construction - UL Listed product meeting standard 248-14 Why Choose Tri-Tek Electronics? - Authorised distributor of Bussmann products - Guaranteed quality and authenticity - Limited stock available due to closeout special Don't miss out on this opportunity to enhance your installations with reliable fuses from a trusted brand. Upgrade your toolkit today with Bussmann BUSMDL-10A Glass Fuses! 🌟

    3 in stock

    $85.00 $49.00

  • 8 Amp Slow-Blow Glass Tube Fuses – Box of 100 Closeout Special

    Bussmann 8 Amp Slow-Blow Glass Tube Fuses – Box of 100 (Closeout Special)

    1 in stock

    Bussmann MDL-8A 8 Amp Slow-Blow Glass Tube Fuses – Box of 100 (Closeout Special) The Bussmann MDL-8A is an industry-standard slow-blow (time-delay) glass tube fuse rated for 8 amps and 250 volts AC. Designed to handle momentary inrush currents, such as those commonly encountered when powering up transformers, motors, or electronics with capacitive loads, the MDL series ensures circuit protection without nuisance tripping. Constructed with a glass tube and nickel-plated brass end caps, the MDL-8A provides clear visibility of the fuse element for quick inspection and high conductivity for dependable operation. Its 1/4" x 1-1/4" size (6.35mm x 31.75mm) makes it compatible with a wide variety of fuse holders in both industrial and consumer electronics applications. Product Features: Fuse Type: Time-Delay (Slow-Blow) Current Rating: 8 Amps Voltage Rating: 250 VAC Interrupting Rating: 200A @ 250 VAC / 10,000A @ 125 VAC Construction: Glass tube with nickel-plated brass end caps Dimensions: 1/4" x 1-1/4" (6.35mm x 31.75mm) Compliance: UL 248-14, CSA, CE standards Quantity: 100 fuses per box Ideal Use Scenario: Perfect for electronics technicians and service professionals, the Bussmann MDL-8A fuse is used in a range of applications including power supply protection, home theater components, and audio equipment. In a practical setting, these fuses are often installed in amplifier power circuits to prevent component damage due to overloads, especially where initial power-up draws high transient current. Closeout Special: This is a Closeout Special—availability is strictly limited to stock on hand. Once sold out, this product will not be restocked. It’s a great opportunity to secure a full box of premium Bussmann slow-blow fuses at an exceptional value for your bench stock or upcoming jobs. Authorized Bussmann Distributor: Tri-Tek Electronics is an authorized distributor of Bussmann products, offering full manufacturer warranty coverage, factory-direct support, and competitive pricing. Our retail location in Mesa, Arizona proudly serves technicians, hobbyists, and professionals throughout the Phoenix metro area including Tempe, Chandler, Gilbert, and Scottsdale.

    1 in stock

    $59.99

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