AJT80 – Mersen | CLASS J TD 600V 80A

Description

The Mersen AJT80 is a high-performance Class J time-delay fuse designed to offer exceptional protection in a variety of electrical systems. Its compact design and advanced features make it ideal for applications requiring reliable and efficient circuit protection.

Key Features

• SmartSpot Indicator: Includes a SmartSpot visual indicator for easy detection of a blown fuse.
• Time-Delay Function: Engineered with time-delay characteristics to handle motor and transformer inrush currents, reducing the chance of unnecessary interruptions.
• High Interrupting Rating: Boasts a 300kA interrupting rating, verified through UL witnessed tests.
• Superior Current-Limiting: Provides outstanding current-limiting performance to minimize peak let-thru currents and protect circuits.
• Arc Flash Energy Reduction: Recommended for reducing arc flash energy, enhancing safety.
• Compact Size: Requires only half the mounting space compared to 600VAC Class RK fuses, allowing for smaller and more economical fuse blocks.
• Easy Selectivity: Facilitates 2-to-1 selectivity to prevent nuisance shutdowns and ensure reliable operation.
• Unique Dimensions: Class J dimensions help avoid incorrect replacements.
• High-Visibility Label: Features a bright orange label for immediate brand recognition.
• Durable Construction: Constructed with a fiberglass body and high-grade silica filler for durability and effective arc quenching.
• Traceability: Includes metal-embossed date and catalog number for traceability and long-lasting identification.
• Optional Indicator/Switch: Available EI indicator/switch mount for improved fuse status indication (for AJT70 to 600).

Specifications

• Manufacturer Part Number: AJT80
• Voltage Rating (AC): 600 V
• Ampere Rating: 80 A
• Fuse Class: Class J
• Body Material: Fiberglass with high-grade silica filler
• Standards Approvals:
  • UL listed to standard 248-8 File E2137
  • DC listed to UL standard 248
  • CSA certified to standard C22.2 No. 248.8
  • IEC 60269-2-1
• Applications:
  • Motor circuits
  • Mains
  • Feeders
  • Branch circuits
  • Lighting, heating, and general loads
  • Transformers
  • Control panels
  • Circuit breaker back-up
  • Bus duct
  • Load centers

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