Description
The Mersen AJT175/400 Class J time-delay reducer fuse provides a permanent solution for reducing current ratings without using temporary fuse reducers. Ideal for a variety of industrial applications, this fuse delivers the same high-quality protection as traditional AJT fuses, but in a larger form factor. Its advanced design is optimized for applications requiring enhanced arc flash safety and current-limiting performance, such as motor circuits, transformers, and control panels.
Key Features
- Permanent Rating Reduction: Safely reduces current rating without relying on temporary fuse reducers.
- Arc Flash Energy Reduction: Helps in reducing Arc Flash energy for enhanced workplace safety.
- Current-Limiting Performance: Minimizes peak let-thru current to protect sensitive equipment.
- Time-Delay Design: Handles motor starting and transformer inrush currents effectively.
- UL Class J Compliance: The most current-limiting UL class fuse available.
- Easy Identification: High-visibility orange label and metal-embossed date/catalog number for traceability.
- Durability: Fiberglass body and high-grade silica filler ensure stability and fast arc quenching in industrial environments.
- Optional EI Indicator: Available with an EI indicator/switch for convenient fuse monitoring.
Specifications
- Manufacturer Part Number: AJT175/400
- Voltage Rating (AC): 600 V
- Ampere Rating: 175 A
- Fuse Class: Class J
- Interrupting Rating: Extremely current-limiting
- Body Material: Fiberglass with high-grade silica filler
- Standard Approvals:
- UL Listed to standard 248-8
- IEC 269-2-1
- 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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