Description
The Mersen AJT30 is a Class J time-delay fuse designed for circuit protection in a variety of industrial and commercial applications. This fuse provides reliable protection while occupying less space than traditional fuses.
Key Features
- Visual Indication: Available in non-indicating and SmartSpot visual blown fuse indicator options for easy detection of fuse status.
- Time-Delay Function: Time-delay feature allows the fuse to handle motor starting and transformer inrush currents, preventing nuisance blows.
- Current-Limiting: Features a high current-limiting capability, providing protection with a low peak let-thru current.
- High Interrupting Rating: 300kA interrupting rating, supported by self-certification and UL witnessed tests.
- Compact Design: Requires only half the mounting space compared to 600VAC Class RK fuses, facilitating the use of smaller, more economical fuse blocks.
- Arc Flash Reduction: Recommended for reducing arc flash energy, enhancing safety.
- Selectivity: Easy 2-to-1 selectivity to avoid nuisance shutdowns.
- Dimensional Integrity: Unique Class J dimensions reduce the risk of incorrect replacements.
- Durable Construction: High-visibility orange label for brand recognition, with metal-embossed date and catalog number for traceability.
- Robust Material: Constructed with a fiberglass body and high-grade silica filler for dimensional stability and effective arc quenching.
- Optional Indicator: Includes an optional EI indicator/switch mount for open fuse indication.
Specifications
- Manufacturer Part Number: AJT30
- Voltage Rating (AC): 600 V
- Ampere Rating: 30 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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