Mersen Amp-Trap® A50P A50P450-4 High-Speed Blade Fuse, 450A 500VAC / 450VDC — Pack of 5

Product overview

• Part number: A50P450-4
• Series: Amp‑Trap® A50P (Form 101)
• Manufacturer: Mersen
• Type: High‑speed blade fuse
• Ampere rating: 450 A
• Rated voltage: 500 V AC (UL), 450 V DC (UL)
• Interrupting capacity (AC Max I.R.): 50 kA
• Frequency: 50/60 Hz
• Speed/Characteristic: High Speed
• Connection/terminal: Blade, tin‑plated copper
• Mounting: Bolted (blade terminal)
• Body/insulating material: GMG (glass‑mat reinforced)
• Dimensions: Length 4.47 in (≈113.5 mm); Diameter 2.00 in (≈50.8 mm)
• Product weight: 1.20 lb (per unit)
• Sell pack quantity: 5 EA
• Sell pack weight (estimated): 6.00 lb (5 × 1.20 lb)
• EAN/UPC: 782001946241
• Product group: Semiconductor Protection Fuses

Key features

• High‑speed characteristic (low I2t) for fast clearing to protect power semiconductors, DC drives and other sensitive power electronics.
• 50 kA interrupting capacity suitable for many industrial power systems.
• Tin‑plated copper blade terminals ensure low contact resistance and corrosion resistance.
• Robust GMG insulating body and Form 101 design for direct replacement in equipment specified for Amp‑Trap A50P fuses.

Typical applications

• DC drives and motor control systems
• Uninterruptible Power Supplies (UPS)
• Inverters, converters and power‑conversion equipment
• Semiconductor protection and industrial power distribution
• Field replacements and maintenance spares

Mechanical & packing data

• Product length: 4.47 in (≈113.5 mm)
• Product diameter: 2.00 in (≈50.8 mm)
• Mounting: Bolted (blade terminal)
• Sell pack quantity: 5 EA
• Estimated sell pack weight: 6.00 lb

Installation & safety notes

• Replace only with identical part number and rating to preserve intended protective characteristics.
• Install in compatible bolted blade holders and follow equipment manufacturer torque and mounting instructions.
• Verify compatibility with system voltage, current rating and fault capacity prior to installation.
• For detailed time‑current curves, I2t values, ambient derating and agency approvals, consult the official Mersen datasheet.

What’s included

• 5 × Mersen Amp‑Trap® A50P A50P450-4 high‑speed blade fuses, 450 A, 500 VAC / 450 VDC

Verification

• Confirm part marking A50P450-4 and EAN/UPC (782001946241) on delivery. Request the official Mersen datasheet for full electrical characteristics and certifications.