Description
The Mersen AJT400 is a Class J time-delay fuse designed for high-current applications, offering advanced protection and performance in a compact form factor.
Key Features
- Non-Indicating or SmartSpot: Available with or without a SmartSpot visual blown fuse indicator for easy maintenance and operation.
- Time-Delay Characteristics: Capable of handling motor starting and transformer inrush currents without immediate fuse blow.
- Current-Limiting: Provides superior current-limiting performance to minimize the impact of high fault currents and reduce peak let-thru currents.
- Arc Flash Energy Reduction: Recommended for reducing arc flash energy to enhance system safety.
- Compact Design: Requires only half the mounting space compared to 600VAC Class RK fuses, optimizing space and cost efficiency.
- High-Visibility Label: Features a bright orange label for easy recognition and brand identification.
- Durable Construction: Built with a fiberglass body for stability in harsh conditions and high-grade silica filler for effective arc quenching.
- Traceability: Includes metal-embossed date and catalog number for reliable traceability and identification.
- Optional Indicator/Switch: EI indicator/switch available for enhanced open fuse indication.
Specifications
- Manufacturer Part Number: AJT400
- Voltage Rating (AC): 600 V
- Ampere Rating: 400 A
- Fuse Class: Class J
- Body Material: Fiberglass with high-grade silica filler
- Standards Approvals:
- UL Listed to standard 248-8
- 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
JTD400 | LPJ400SP
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