Description
The Mersen AJT2-1/4 Class J time-delay fuse is engineered for efficient protection in compact settings. This fuse is designed to offer IEC Type 2 No Damage protection across various circuit types including mains, feeders, and branches. Its time-delay features are suitable for managing inrush currents from motors and transformers, while its compact design allows for space-saving and economical fuse block usage.
Key Features
- Visual Indicator: Includes a non-indicating option or SmartSpot visual blown fuse indicator for easy status monitoring.
- Time-Delay: Effectively handles motor starting and transformer inrush currents.
- High Interrupting Rating: 300kA interrupting rating with self-certified, UL witnessed tests.
- Current-Limiting: Provides extreme current-limiting for low peak let-thru current; recognized as the most current-limiting UL class fuse.
- Arc Flash Energy Reduction: Recommended to enhance safety by reducing arc flash energy.
- Compact Footprint: Requires less mounting space, allowing use of smaller, more cost-effective fuse blocks.
- 2-to-1 Selectivity: Facilitates easy selectivity to avoid nuisance shutdowns.
- Class J Dimensions: Unique dimensions prevent incorrect replacements.
- Identification: High-visibility orange label and metal-embossed date/catalog number for clear identification.
- Durable Construction: Fiberglass body with high-grade silica filler ensures stability and quick arc quenching.
- Optional EI Indicator: Available with optional EI indicator/switch for open fuse indication.
Specifications
- Manufacturer Part Number: AJT2-1/4
- Voltage Rating (AC): 600 V
- Ampere Rating: 2.25 A
- Fuse Class: Class J
- Interrupting Rating: 300kA
- 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
LPJ-2-1/4SP | LPJ21/4SP
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