Description
The Mersen AJT350 is a high-capacity Class J time-delay fuse designed for robust protection in industrial and commercial electrical systems. It combines advanced technology with a compact design to provide exceptional performance and safety.
Key Features
- SmartSpot Indicator: Equipped with a solid-state or non-indicating SmartSpot visual open fuse indicator for easy identification of a blown fuse.
- Time-Delay Function: Time-delay characteristics handle inrush currents from motors and transformers, preventing unnecessary fuse blowing.
- High Interrupting Rating: 300kA interrupting rating, validated through self-certification and UL witnessed tests.
- Current-Limiting Capabilities: Extremely current-limiting, managing low peak let-thru currents efficiently.
- Space-Efficient Design: Requires only half the mounting space compared to 600VAC Class RK fuses, allowing for more compact fuse blocks.
- Arc Flash Energy Reduction: Recommended for reducing arc flash energy, enhancing safety.
- Selectivity: Provides 2-to-1 selectivity to prevent nuisance shutdowns.
- Dimensional Stability: Fiberglass body ensures stability and durability in harsh industrial settings.
- High-Visibility Label: Features a bright orange label for instant brand recognition.
- Traceability: Includes a metal-embossed date and catalog number for traceability and lasting identification.
- Optional Indicator/Switch: Available with an EI indicator/switch mount for enhanced open fuse indication.
Specifications
- Manufacturer Part Number: AJT350
- Voltage Rating (AC): 600 V
- Ampere Rating: 350 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
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