Description
The Mersen AJT30N is a time-delay 30A Class J fuse rated for 600V AC and 500V DC, designed to provide reliable current-limiting protection for motor circuits, mains, feeders, branch circuits, transformers, and other general-purpose loads. The Amp-Trap 2000® AJT fuse features time-delay characteristics that help handle typical motor and transformer inrush currents while providing superior current-limiting performance. Its compact cylindrical design requires only about half the mounting space of 600V Class RK fuses, making it a practical choice for installations where space is limited.
Key Features
- 30A Time-Delay Protection: Provides time-delay overcurrent protection while accommodating typical motor and transformer inrush currents.
- 600V AC / 500V DC Rating: Suitable for electrical systems rated up to 600V AC and 500V DC.
- Class J Fuse: Provides current-limiting protection for motors, mains, feeders, branch circuits, lighting, heating, transformers, and general loads.
- High Interrupting Rating: Rated for 200 kA at 600V AC and 100 kA at 500V DC.
- Compact Design: Requires approximately half the mounting space of 600V Class RK fuses.
- Ferrule Connection: Features a ferrule terminal connection with tin-plated copper contacts and clip mounting.
- SmartSpot Indication: Includes SmartSpot visual open-fuse indication for easier fuse status identification.
- Dual Element Construction: Uses a dual-element design for time-delay performance and reliable overcurrent protection.
Specifications
| Technical Specification | Details |
|---|---|
| Product Series | AJT – Class J – Time-Delay |
| Item Number | AJT30N |
| Brand | Ferraz Shawmut |
| Sub Brand | Amp-Trap® 2000 |
| Amperage Rating | 30 A |
| Rated Voltage AC | 600 V AC |
| Rated Voltage DC | 500 V DC |
| Fuse Class | Class J |
| Speed/Characteristic | Time-Delay |
| Mounting Type | Clip |
| Terminal Connection | Ferrule |
| AC Interrupt Rating | 200 kA at 600V AC |
| DC Interrupt Rating | 100 kA at 500V DC |
| Body Style | Cylindrical, Non-Rejection |
| Element Type | Dual |
| Indication | SmartSpot Visual Open Fuse |
| Contact Material | Tin-Plated Copper |
| Construction | Melamine |
| Product Diameter | 0.81″ |
| Product Length | 2.25″ |
| Standards | UL Listed, CSA Certified, RoHS Compliant, IEC 60269-2-1 |
| Application | Motor Circuits, Mains, Feeders, Branch Circuits, Lighting, Heating, General Loads, Transformers, Control Panels, Circuit Breaker Back-Up, Bus Duct, Load Centers |
| UPC | 782001497736 |
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