Description
The Mersen AJT400/600 is a Class J time-delay fuse designed to offer permanent current reduction solutions. It provides the same trusted protection as traditional AJT fuses but in a larger body, making it ideal for applications requiring enhanced protection without using temporary fuse reducer accessories.
Key Features
- Permanent Current Reduction: Acts as a permanent solution for decreasing current ratings without relying on temporary fuse reducers.
- Arc Flash Energy Reduction: Recommended for reducing arc flash energy, improving safety and compliance.
- Superior Current-Limiting: Highly effective at limiting peak let-thru current, making it one of the most current-limiting fuses in its class.
- Time-Delay Characteristics: Suitable for motor starting and transformer inrush applications.
- High-Visibility Label: Features a bright orange label for immediate brand recognition.
- Durable Construction: Made 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 easy traceability and lasting identification.
- Optional Indicator/Switch: Available with an optional EI indicator/switch for enhanced open fuse indication.
Specifications
- Manufacturer Part Number: AJT400/600
- 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
- IEC 269-2-1
- 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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