Description
The Mersen AJT250 is a Class J time-delay fuse designed for high-performance protection across various electrical applications. This fuse is ideal for main, feeder, and branch circuits, offering superior protection and space efficiency.
Key Features
- Visual Open Fuse Indicator: Includes a SmartSpot visual blown fuse indicator for immediate detection.
- Time-Delay Functionality: Provides time-delay protection to handle motor starting and transformer inrush currents, reducing nuisance trips.
- Superior Current-Limiting: Offers an extremely low peak let-thru current, making it one of the most current-limiting fuses available in its class.
- Arc Flash Energy Reduction: Recommended for use in environments where arc flash energy reduction is crucial.
- Compact Design: Requires only half the mounting space of 600VAC Class RK fuses, allowing for the use of smaller, more economical fuse blocks.
- High Visibility: High-visibility orange label for quick recognition, with a metal-embossed date and catalog number for traceability.
- Durable Construction: Built with a fiberglass body and high-grade silica filler for dimensional stability and effective arc quenching.
Specifications
- Manufacturer Part Number: AJT250
- Voltage Rating (AC): 600 V
- Ampere Rating: 250 A
- Fuse Class: Class J
- Interrupting Rating: 300kA
- 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
JTD250 | LPJ250SP
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