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OptiFuse FSA400mA Fast-Acting Glass Tube Fuse

This is a ¼ x 1¼-inch fast-acting glass tube fuse designed for circuit protection, rated at 400mA. Constructed with a durable glass body and nickel-plated brass contacts, it ensures reliable operation in various electrical applications. Suitable for use in electronics and equipment requiring quick response to overcurrent conditions, this UL-listed fuse features a compact size of 6.35mm by 32mm. It offers high interrupt ratings up to 300 amperes at 32V AC, withstanding temperatures from -55°C to +125°C for versatile industry use. Packaged in bulk for convenient inventory management, this fuse provides efficient circuit protection with precision and safety.

Authorized Distributors
Part No:FSA-400mA
Stock:0
Inv Date:06-05-2026
Price: Unit price: $0.97
Buy/RFQ:
Part No:FSA-400MA
Stock:0
Inv Date:06-05-2026
Price: Unit price: $0.5846
Buy/RFQ:
Part No:FSA-400MA
Stock:0
Inv Date:06-05-2026
Price: Unit price: $0.5846
Buy/RFQ:

OptiFuse FSA400MA Fast-Acting Glass Tube Fuse Specifications:

  • Material: Glass body, nickel-plated brass contacts
  • Dimensions: 6.35mm x 32mm (¼ x 1¼ inch)
  • Rated Current: 400mA
  • Rated Voltage: 250V AC
  • Interrupt Ratings: 300A at 32V AC
  • Temperature Range: -55°C to +125°C
  • Lead Wire: Tin Plated Copper, Diameter 0.8mm
  • Agency Listings: UL Listed, CSA Certified
  • Packaging: Bulk (FSA-400mA in boxes of 250)
  • Resistance: Approximately 0.0515 ohms

Buy the Optifuse Series FSA Glass Tube Fuse: FSA400mA

Secure your electronic devices with the Optifuse fast-acting glass tube fuse. Rated at 400mA, it provides reliable circuit protection with high interrupt ratings and UL certification. Compact and easy to install, this fuse is essential for electrical and electronic applications, offering fast response to overcurrent conditions. Packaged in bulk for convenience, it withstands temperatures from -55°C to +125°C, ensuring durability across various environments. Choose this efficient fuse to enhance safety and prevent damage in your electrical systems.

Buy Optifuse FSA400mA now and experience unmatched reliability and performance in circuit protection.

Frequently Asked Questions

Where can I buy OptiFuse FSA400MA?

You can click on the BUY or RFQ button to purchase FSA400MA from an authorized OptiFuse distributor.

How do I troubleshoot issues or seek technical support for part FSA400MA?

You can download the FSA400MA datasheet or visit the OptiFuse website for support.

Who is the manufacturer of FSA400MA?

OptiFuse

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