AJT15 - 15 Amp Fuse

AJT15 - 15 Amp Fuse

The AJT15 Class J Time-Delay Fuse is a reliable choice for protecting your electrical systems that regularly deal with startup surges and temporary inrush currents. In many commercial and industrial applications, motors and transformers draw extra current the moment they power up. This fuse is designed to handle those brief surges without opening unnecessarily, while still providing fast protection during overloads and short circuit conditions. That makes it a practical solution for keeping your equipment protected and operations running smoothly.

Its compact Class J design is especially useful in crowded electrical panels where every bit of space matters. The AJT15 also features a built-in SmartSpot® visual indicator that makes it easy to identify when the fuse has opened, helping maintenance teams troubleshoot faster and reduce downtime. With strong current-limiting performance and a high interrupting capacity, this fuse helps reduce the amount of fault energy that passes through the system during a fault condition, which can help you protect wiring, connected equipment, and sensitive components from additional damage.

Whether it’s being used in HVAC equipment, motor control centers, industrial machinery, transformers, feeder circuits, or branch circuit protection, the AJT15 delivers dependable overcurrent protection for demanding electrical environments.

Key Features and Benefits

• Time-delay design helps reduce nuisance fuse openings during motor startup currents: Allows temporary inrush currents to pass without unnecessary interruptions.
• Current-limiting protection helps minimize damage during overloads and short circuits: Helps reduce thermal and mechanical stress on connected electrical equipment.
• SmartSpot® visual indicator allows quick identification of an open fuse: Helps maintenance personnel troubleshoot and replace opened fuses more efficiently.
• Compact Class J footprint helps save panel space: Fits well into installations where enclosure space is limited.
• Rated for 200 kA interrupting capacity: Suitable for demanding high fault-current electrical systems.
• Suitable for both AC and DC applications: Compatible with a variety of commercial and industrial electrical systems.
  

Technical Specifications

• Catalog Number: AJT15
  
• Series: AJT – Class J – Time-Delay
  
• Fuse Type: Amp-Trap 2000®
  
• Ampere Rating: 15 Amps
  
• Voltage Rating (AC): 600 VAC
  
• Voltage Rating (DC): 400 VDC
  
• Frequency: 50/60 Hz
  
• Fuse Class: Class J
  
• Characteristic: Time Delay
  
• Interrupting Rating: 200 kA
  
• Mounting Style: Clip Mount
  
• Terminal Type: Ferrule
  
• Terminal Material: Tin-Plated Copper
  
• Indication System: SmartSpot® Visual Open Fuse Indicator
  
• Product Diameter: 20.7 mm
  
• Product Length: 57.2 mm
  
• Body Material: GMG
  
• Product Weight: 0.044 kg
  
• UPC: 782001962470
  

Material Compliance and Certifications

• Industry Standards: The AJT15 fuse is designed for Low Voltage UL and CSA applications and supports IEC Type 2 “No Damage” protection requirements when properly coordinated within electrical systems.
• Performance Characteristics: Its construction and performance characteristics make it well suited for applications where dependable overcurrent protection is important.
  

Where It Works Best

• The AJT15 is commonly used in HVAC systems, transformers, motor control centers, industrial machinery, feeder circuits, branch circuits, and control panels where temporary startup surges are expected but reliable circuit protection is still necessary. It works well in applications that require compact fuse protection with dependable current-limiting performance and easy visual identification during maintenance.