AJT40 - 40 Amp Fuse

AJT40 - 40 Amp Fuse

Engineered for reliable electrical protection, the AJT40 Fuse is a Class J, 40-amp time‑delay fuse that delivers dependable performance across industrial, commercial, and residential applications. Built with Amp‑Trap 2000 technology, this fuse helps safeguard your circuits from overloads and short circuits while handling high inrush currents from motors and transformers without tripping unnecessarily. The integrated SmartSpot visual indicator makes maintenance easier by providing an instant, easy‑to‑see open‑fuse alert so you can reduce downtime and keep systems running smoothly. Compact in size yet powerful in performance, the AJT40 is a trusted choice for anyone who needs dependable circuit protection with straightforward installation and lasting service.

Key Features and Benefits

• Superior Protection: Designed to meet IEC Type 2 No Damage criteria, providing effective safeguarding for main, feeder, and branch circuits under normal and fault conditions.
• Time‑Delay Performance: Carefully calibrated to withstand typical motor and transformer startup currents without nuisance trips, ensuring continuous operation where it matters most.
• Current‑Limiting Capability: Reduces potential damage during short circuits by quickly limiting the fault current, helping protect downstream components and wiring.
• SmartSpot Visual Indicator: Offers a built‑in visual blown‑fuse indicator to simplify troubleshooting and speed up fuse replacement.
• Space‑Saving Design: Takes up about half the panel space of conventional 600 VAC Class RK fuses, making it ideal for compact installations.

Technical Specifications

• Ampere Rating: 40 A
• Rated Voltage (AC): 600 V
• Rated Voltage (DC): 400 V
• Frequency: 50/60 Hz
• Fuse Class: Class J
• Speed/Characteristic: Time Delay
• Indication System: Yes – SmartSpot Visual Indicator
• Mounting Type: Clip
• AC Max Interrupting Rating: 200 kA
• Terminal Material: Tin‑Plated Copper
• Terminal Type: Ferrule
• Dimensions:
  • Diameter: 27 mm
  • Length: 60.5 mm
• Sell Pack Quantity: 10 EA
• Product Weight: 0.0757 kg

Material Compliance and Certifications

• ROHS Compliant: Meets international environmental safety standards, ensuring lead‑free materials and reduced hazardous substances.
• UL Listed: Certified for use in both AC and DC circuits, providing assurance of quality and safety under UL requirements.
• CSA Certified: Tested and approved by the Canadian Standards Association, making it suitable for electrical systems in the U.S. and Canada.

Where It Works Best

• The AJT40 Fuse excels in protecting electrical equipment in a wide range of settings. It’s ideal for motor‑driven machines, HVAC systems, industrial controls, transformers, and other loads that experience high inrush currents. Whether you’re maintaining a factory power distribution panel, upgrading commercial infrastructure, or improving safety in a large residential setup, this time‑delay fuse offers long‑lasting performance and clear visual status feedback. Its ability to handle demanding conditions makes it a dependable choice for electricians, facility managers, and maintenance professionals alike.