A3T450 - 450Amp Fuse

A3T450 - 450Amp Fuse

The Mersen A3T450 Amp-Trap® Class T Fast-Acting Fuse is engineered to deliver superior overcurrent protection in compact electrical systems. With a 450A current rating and voltage ratings of 300VAC and 160VDC, this fuse offers exceptional current-limiting capabilities, ensuring rapid response to overcurrent conditions. Its unique dimensions prevent the substitution of other fuses with lower voltage ratings or current-limiting capabilities, enhancing system safety and reliability. The glass melamine body provides superior dimensional stability, and the catalog number is stamped into the blades for permanent identification.

Key Features and Benefits

• High Interrupting Capacity: Rated at 200kA AC and 50kA DC, the A3T450 ensures robust protection against high fault currents.
• Compact Design: The small physical size allows for greater design flexibility and space-saving installations.
• Fast-Acting Performance: Quickly responds to overcurrent conditions, minimizing potential damage to equipment.
• Permanent Identification: Blade-stamped catalog numbers facilitate easy and accurate identification.
• Superior Material Construction: Glass melamine body offers excellent thermal and mechanical stability.

Technical Specifications

• Catalog Number: A3T450
  
• Series: A3T - Class T - Fast-Acting
  
• Current Rating: 450 Amps
  
• Voltage Ratings: 300VAC / 160VDC
  
• Frequency: 50/60 Hz
  
• Interrupting Rating: 200kA AC / 50kA DC
  
• Body Material: Glass Melamine
  
• Mounting Style: Bolt-On
  
• Terminal Type: Blade
  
• Dimensions: Length: 3.06 inches (77.7 mm); Diameter: 1.62 inches (41.1 mm)
  
• Product Weight: 0.2023 kg
  
• UPC Code: 782001890292
  

Material Compliance and Certifications

• UL Listed: Standard 248-15, File E2137
• CSA Certified: Standard C22.2 No. 248.15
• RoHS Compliant: Yes
• DC Listed: UL Standard 248

Suitability

• The A3T450 fuse is ideal for protecting circuits in load centers, panelboards, switchboards, circuit breakers, and metering centers. Its fast-acting nature and high interrupting capacity make it suitable for applications where space is limited, and reliable overcurrent protection is essential.

Use of Original Equipment Manufacturer (OEM) trademarks, names, and logos is for informational and identification purposes only. This does not imply any affiliation, sponsorship, endorsement, or approval by the original equipment manufacturer. All trademarks and registered trademarks are the property of their respective owners.