Description
The Mersen AJT450 is a Class J time-delay fuse designed for high-current applications, providing reliable protection with advanced material technology. This fuse is engineered to handle high inrush currents and offers IEC Type 2 No Damage protection while requiring less mounting space compared to traditional fuses.
Key Features
- SmartSpot Indicator: Includes a visual SmartSpot indicator for easy identification of blown fuses.
- Time-Delay Characteristics: Ideal for managing inrush currents from motors and transformers.
- High Interrupting Rating: 300kA interrupting rating, verified through UL witnessed tests.
- Exceptional Current-Limiting: Provides superior current-limiting capability, reducing peak let-thru currents.
- Arc Flash Energy Reduction: Recommended for reducing arc flash energy.
- Compact Design: Requires less mounting space, facilitating the use of smaller and more cost-effective fuse blocks.
- Easy Selectivity: Offers simple 2-to-1 selectivity to prevent unnecessary shutdowns.
- Error Prevention: Unique Class J dimensions help prevent incorrect fuse replacements.
- High-Visibility Label: Features a bright orange label for immediate brand recognition.
- Durable Construction: Constructed with a fiberglass body for stability in harsh environments; high-grade silica filler ensures effective arc quenching.
- Traceability: Metal-embossed date and catalog number for durable identification.
- Optional Indicator/Switch: Optional EI indicator/switch mount available for enhanced open fuse indication.
Specifications
- Manufacturer Part Number: AJT450
- Voltage Rating (AC): 600 V
- Ampere Rating: 450 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
JTD450 | LPJ450SP
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