Description
The Mersen AJT50 is a Class J time-delay fuse designed for reliable circuit protection. Its compact design and advanced materials make it ideal for various industrial and commercial applications where space and performance are critical.
Key Features
- SmartSpot Indicator: Includes a visual SmartSpot indicator for easy identification of a blown fuse.
- Time-Delay Function: Provides time-delay characteristics, which are crucial for managing motor starting and transformer inrush currents.
- High Interrupting Rating: Capable of handling up to 300kA interrupting rating, with tests confirmed by UL.
- Current-Limiting: Offers superior current-limiting performance to reduce peak let-thru currents.
- Arc Flash Energy Reduction: Recommended for reducing arc flash energy, enhancing safety.
- Compact Design: Requires less mounting space compared to traditional fuses, allowing for more economical fuse blocks.
- Selectivity: Provides 2-to-1 selectivity to prevent nuisance shutdowns.
- Error Prevention: Unique Class J dimensions help prevent incorrect fuse replacements.
- High-Visibility Label: Features a bright orange label for instant brand recognition.
- Durable Construction: Made with a fiberglass body and high-grade silica filler for stability and quick arc quenching.
- Traceability: Metal-embossed date and catalog number ensure lasting identification.
- Optional Indicator/Switch: Available with an optional EI indicator/switch mount for enhanced open fuse indication.
Specifications
- Manufacturer Part Number: AJT50
- Voltage Rating (AC): 600 V
- Ampere Rating: 50 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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