Mersen Amp-Trap® A50P A50P100-4TI High-Speed Blade Fuse with TI Indicator, 100A 500VAC / 450VDC — Pack of 10

Product overview

• Part number: A50P100-4TI
• Series: Amp‑Trap® A50P (Form 101)
• Manufacturer: Mersen
• Type: High‑speed blade fuse with TI (trip/indication) indicator
• Ampere rating: 100 A
• Rated voltage: 500 V AC (UL), 450 V DC (UL)
• Interrupting capacity (AC Max I.R.): 35 kA
• Connection/terminal: Blade, tin‑plated brass
• Body/insulating material: GMG (glass‑mat reinforced)
• Dimensions: Diameter 1.00 in (≈25.4 mm); Length 3.63 in (≈92.2 mm)
• Quantity: Pack of 10

Key features

• High‑speed characteristic (low I2t) for fast clearing to protect power semiconductors, drives and other sensitive power electronics.
• TI indication system provides clear blown‑fuse indication for rapid diagnostics and reduced downtime.
• Robust construction with tin‑plated brass blade terminals for reliable conductivity and corrosion resistance in industrial environments.
• High interrupting capacity (35 kA) suitable for demanding industrial distribution and semiconductor protection.
• Form 101 Amp‑Trap A50P design enables direct replacement in equipment specified for this series.

Typical applications

• DC drives and motor controllers
• Uninterruptible Power Supplies (UPS)
• Inverters, converters and power‑conversion systems
• Semiconductor protection and industrial power distribution
• Maintenance and field replacement spares

Handling and installation notes

• Replace only with the identical part number and rating to maintain intended protection characteristics.
• Install in bolted blade holders per equipment manufacturer torque and mounting instructions.
• Observe environmental and ambient derating limits specified in the official datasheet.
• For critical systems, verify time‑current curves, I2t, and derating from the Mersen datasheet before installation.

What’s included

• 10 × Mersen Amp‑Trap® A50P A50P100-4TI high‑speed blade fuses with TI indicator, 100 A, 500 VAC / 450 VDC

Datasheet and verification

• Confirm part marking A50P100-4TI and EAN/UPC (782001945930) on delivery. Request the official Mersen datasheet for detailed time‑current curves, I2t values, ambient derating and agency approvals.