Description
The Mersen AJT3-1/2 is a Class J time-delay fuse designed for protection in various electrical applications. This fuse is ideal for circuits where a time-delay function is needed to manage motor starts and transformer inrush currents, offering superior current-limiting performance.
Key Features
- Visual Indication: Comes with a non-indicating option or a SmartSpot visual blown fuse indicator.
- Time-Delay Function: Provides a time-delay feature suitable for motor starting and transformer inrush applications.
- Current-Limiting: Highly current-limiting with a low peak let-thru current, offering enhanced protection.
- High Interrupting Rating: 300kA interrupting rating, self-certified and UL witnessed.
- Compact Design: Requires less mounting space compared to 600VAC Class RK fuses.
- Arc Flash Reduction: Recommended for reducing arc flash energy.
- Easy Selectivity: 2-to-1 selectivity for minimizing nuisance shutdowns.
- Durable Construction: Features a high-visibility orange label, metal-embossed date, and catalog number for traceability.
- Robust Material: Made with a fiberglass body and high-grade silica filler for effective arc quenching and stability in harsh environments.
- Optional Indicator: Includes an optional EI indicator/switch mount for open fuse indication.
Specifications
- Manufacturer Part Number: AJT3-1/2
- Voltage Rating (AC): 600 V
- Ampere Rating: 3.5 A
- Fuse Class: Class J
- Interrupting Rating: 300kA
- 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
LPJ-3-1/2SP | LPJ31/2SP
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