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FERRAZ SHAWMUT A50QS4004 Semiconductor Protection Fuse

Ferraz Shawmut's A50QS Amp-Trap fuses are designed to provide enhanced protection for semiconductor circuits. These fuses feature the lowest I²t for greater protection, low watts loss for cooler operation, and superior cycling ability, making them a preferred choice for protecting dynamic solid-state equipment such as motor drives, inverters, and UPS systems. The compact size allows for downsizing existing equipment, while the 500V AC/DC rating ensures broad applicability. They are UL recognized and CSA certified, offering reliable and safe performance.

Authorized Distributors
Source:DigiKey
Part No:A50QS400-4
Stock:64
Inv Date:06-08-2026
Price: Unit price: $191.41
Buy/RFQ:
Part No:A50QS400-4
Stock:10
Inv Date:06-09-2026
Price: Unit price: $293.73
Buy/RFQ:
Part No:A50QS400-4
Stock:130
Inv Date:06-08-2026
Price: Unit price: $304.62
Buy/RFQ:
Part No:A50QS400-4
Stock:61
Inv Date:06-08-2026
Price: Unit price: $189.49
Buy/RFQ:
Part No:A50QS400-4
Stock:61
Inv Date:06-08-2026
Price: Unit price: $189.49
Buy/RFQ:

FERRAZ SHAWMUT A50QS4004 Semiconductor Protection Fuse Specifications:

  • Rated Volts: 500VAC / DC
  • Amps: 35 to 60A (AC), 70 to 1200A (AC), 35 to 1200A (DC)
  • I.R.: 200kA
  • I.R. AC: 87kA
  • I.R. DC: 87kA
  • Mounting Types: Blades, bolt-in
  • Approvals: UL recognized component UL File 60314, AC: UL guide no. JFHR2, CSA Certified LR12636
  • Dimensions A: 3.63 inches (92.2 mm)
  • Dimensions B: 1.00 inches (25.4 mm)
  • Dimensions C: 2.13 inches (54.1 mm)
  • Dimensions D: 2.94 inches (74.7 mm)
  • Dimensions E: 2.75 inches (69.9 mm)
  • Dimensions F: 0.31 inches (7.9 mm)
  • Dimensions G: 0.75 inches (19.1 mm)
  • Dimensions H: 0.13 inches (3.3 mm)

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Frequently Asked Questions

Where can I buy FERRAZ SHAWMUT A50QS4004?

You can click on the BUY or RFQ button to purchase A50QS4004 from an authorized FERRAZ SHAWMUT distributor.

How do I troubleshoot issues or seek technical support for part A50QS4004?

You can download the A50QS4004 datasheet or visit the FERRAZ SHAWMUT website for support.

Who is the manufacturer of A50QS4004?

FERRAZ SHAWMUT

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