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Littelfuse PSR030FS0400Z High-Speed Semiconductor Fuse

Littelfuse POWR-SPEED PSR Series high-speed square body fuses provide fast, reliable protection for power semiconductor devices including IGBTs, diodes, and SCRs. Designed for power conversion and conditioning equipment like drives, inverters, and UPS systems, these fuses feature a flush end design, ceramic body, and plated brass contacts. They are certified under UL, IEC, and CCC standards, offering high current limiting, superior cycling capability, and visual indicators for blown fuse detection. Ideal for industrial, EV charging, and battery protection applications, ensuring safety and system integrity.

Authorized Distributors
Source:DigiKey
Part No:PSR030FS0400Z
Stock:0
Inv Date:05-28-2026
Price: Unit price: $275.28
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Part No:PSR030FS0400Z
Stock:0
Inv Date:05-29-2026
Price: Unit price: $275.28
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Part No:PSR030FS0400Z
Stock:0
Inv Date:05-28-2026
Price: Unit price: $552.38
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Part No:PSR030FS0400Z
Stock:0
Inv Date:05-28-2026
Price: Unit price: $552.38
Buy/RFQ:
Part No:PSR030FS0400Z
Stock:0
Inv Date:05-28-2026
Price: Unit price: $210.06
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Part No:PSR030FS0400Z
Stock:4
Inv Date:05-29-2026
Price: N/A
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Littelfuse PSR030FS0400Z High-Speed Semiconductor Fuse Specifications:

  • Voltage Range AC: 550 V - 1300 V
  • DC: 500 V - 1000 V
  • Amperage Range: 40A-2000A
  • Interrupting Range AC: 100 kA - 200 kA
  • DC: 150 kA
  • Time Constant: 10ms
  • Material: Ceramic body, Plated Brass contacts
  • Mounting: Flush-End Style
  • Operating Temperature: -55°C to +125°C
  • Approvals: UL 248-13 Recognized, C-UR-US, IEC 60269-4 (Class aR)
  • Certifications: RoHS, REACH compliant
  • Stud Sizes: M8x1.25, 5/16-18 UNC, M12x1.75
  • Recommended Torque: 13.5 Nm
  • Visual indicator: Yes
  • Microswitch: Yes

Buy the Littelfuse Series PSR High-Speed Fuse: PSR030FS0400Z

Buy the Littelfuse PSR Series high-speed fuse PSR030FS0400Z online today to safeguard your power conversion systems and industrial equipment. Featuring rapid current limiting and certified high-performance design, this ceramic body fuse offers exceptional cycling capability and visual blow indication. Its flush end mounting and international approvals make it perfect for industrial, EV charging, and battery management applications. Ensure system safety, compliance, and durability—purchase the trusted Littelfuse fuse online now and keep your operations running smoothly.

Order your Littelfuse Series PSR high-speed fuse PSR030FS0400Z today and ensure fast, reliable protection for your critical power semiconductors.

Frequently Asked Questions

Where can I buy Littelfuse PSR030FS0400Z?

You can click on the BUY or RFQ button to purchase PSR030FS0400Z from an authorized Littelfuse distributor.

How do I troubleshoot issues or seek technical support for part PSR030FS0400Z?

You can download the PSR030FS0400Z datasheet or visit the Littelfuse website for support.

Who is the manufacturer of PSR030FS0400Z?

Littelfuse

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