Mersen A090UD73TTI1400 N301059 1400A aR Fuses (3 Pieces)

Mersen Protistor® Semiconductor Fuse A090UD73TTI1400

The Mersen A090UD73TTI1400 is an ultra-rapid (aR Class) Protistor® square body fuse, designed to protect power semiconductors such as diodes, thyristors, and IGBTs. This fuse provides state-of-the-art protection with its very low I²t and high interrupting rating, making it suitable for applications like variable speed drives, rectifiers, inverters, DC drives, and UPS systems. It includes a visual striker to indicate fuse status.

Key Features & Specifications:

• Brand: Mersen
• Series: Protistor® Square Body Fuses
• Part Number: A090UD73TTI1400 (Reference: N301059)
• Application: Protection of power semiconductors and equipment (Diodes, Thyristors, IGBTs, Drives, Rectifiers, UPS, etc.)
• Fuse Class: aR (Ultra-Rapid)
• Mounting: Bolt-in
• Indicator: Visual Trip Indicator (Striker)

Technical Data:

• Amperage Rating: 1400A
• Rated Voltage AC (IEC): 900V
• Rated Voltage AC (UL): 1000V (likely, as this is consistent with other similar fuses. Please verify on the product itself or official documentation.)
• Interrupt Rating AC: 150 kA
• Fuse Size: 73
• I²t (Melting): 755 kA²s
• I²t (Clearing): 3700 kA²s
• Power Dissipation: 210 W
• Body Material: Ceramic
• Connection/Terminal Material: Silver-Plated Brass
• Connection/Terminal Type: Flush Ends with UNC Threads
• Compliances:
  • IEC 60269-4
  • UL Recognized Component (Check official datasheet for confirmation)
  • RoHS Compliant

Dimensions:

• Product Width: 73 mm
• Product Length: 74 mm
• Product Height: 78.5 mm
• Product Weight: 1.25 kg