Description
The Mersen AJT9 is a Class J time-delay fuse designed for optimal protection in a variety of electrical systems. Its compact design and advanced features ensure reliable circuit protection while saving space.
Key Features
- SmartSpot Indicator: Equipped with a SmartSpot visual indicator for easy identification of a blown fuse.
- Time-Delay Function: Features time-delay characteristics suitable for handling inrush currents from motors and transformers, reducing unnecessary interruptions.
- High Interrupting Rating: 300kA interrupting rating, with self-certification and UL witnessed tests.
- Exceptional Current-Limiting: Provides excellent current-limiting performance, minimizing peak let-thru currents and protecting circuits.
- Arc Flash Energy Reduction: Recommended for reducing arc flash energy, enhancing safety.
- Compact Design: Requires only half the mounting space compared to 600VAC Class RK fuses, allowing for smaller and more economical fuse blocks.
- Easy Selectivity: Facilitates 2-to-1 selectivity to prevent nuisance shutdowns and ensure reliable operation.
- Unique Dimensions: Class J dimensions help prevent incorrect replacements.
- High-Visibility Label: Features a bright orange label for instant brand recognition.
- Durable Construction: Constructed with a fiberglass body and high-grade silica filler for durability and effective arc quenching.
- Traceability: Includes metal-embossed date and catalog number for traceability and lasting identification.
- Optional Indicator/Switch: Available EI indicator/switch mount for improved fuse status indication (for AJT70 to 600).
Specifications
- Manufacturer Part Number: AJT9
- Voltage Rating (AC): 600 V
- Ampere Rating: 9 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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