AJT40 Mersen – Fuse AJT – Class J – Time-delay 600VAC 400VDC 40A Ferrule SmartSpot® Amp-Trap 2000®

⚡ AJT40 Mersen | Class J Fuse – Time-Delay 600VAC / 400VDC 40A – Amp-Trap 2000® Series with SmartSpot® Indicator

Discover the Mersen AJT40 Class J fuse, a time-delay fuse designed to protect your circuits. It offers reliable performance, even in tough industrial environments. Its advanced design provides a durable, modern solution for safe and efficient electrical protection.

With Amp-Trap 2000® technology, AJT fuses provide very high breaking capacity. They limit fault current and help protect equipment from damage. In case of a short circuit, they react very fast and improve overall system protection.

These fuses have a compact, strong design and are easy to install in many electrical setups. Their simple shape saves installation time. The built-in SmartSpot® indicator clearly shows when a fuse has blown.

This makes maintenance easier, safer, and faster, with less effort for technicians.

🔧 Technical Specifications – AJT40 Mersen | Class J Fuse – Time-Delay 600VAC / 400VDC 40A

🛠️ Main applications

• Distribution panels and control circuits
• Motor control centers (MCC)
• Industrial automation and control systems
• HVAC equipment (heating, ventilation, air conditioning)
• Industrial machinery, OEM equipment, and electrical infrastructure

📄 Certifications and Standards

• UL Listed according to UL 248-8 – File UL E2137
• CSA C22.2 No. 248.8 – File CSA LR 29862
• Compliant with CE and RoHS standards

🎯 Why choose the Mersen AJT40 Class J fuse?

With their compact and robust design, these fuses can be easily installed in a wide range of electrical environments. Their simple format helps streamline installation and reduces intervention time. In addition, the SmartSpot® indicator provides a clear visual indication of a blown fuse.

Key Advantages :

• Compact Class J format, ideal for optimizing space in electrical panels
• Time-delay action that withstands inrush currents without nuisance tripping
• Very high interrupting rating for maximum protection
• Excellent current-limiting performance, reducing potential equipment damage
• SmartSpot® indicator for quick visual diagnostics
• Proven Mersen reliability, a global leader in electrical protection solutions
• Simple and secure installation with Mersen Generation 2 Class J fuse holders

📦 Recommended Accessories – AJT40 Mersen | Class J Fuse – Time-Delay 600VAC / 400VDC 40A

The AJT40 fuses are designed to operate with Mersen Generation 2 Class J fuse holders, such as models FB60J60B3 or FB60J60B1. This provides a complete, safe, and high-performance solution. In addition, this combination is ideal for industrial electrical applications up to 600 V, ensuring stable, reliable protection that is truly easy to integrate.

Recommended Fuse Holders – Mersen AJT40

Recommended Gen-2 Fuse Holders – Mersen AJT40

Protective Covers for 600 V Class J Fuse Holders

💬 Need help choosing your Mersen AJT40 fuse?

If you cannot find the correct Mersen reference or the right accessory for your application, our team is always here to help. We guide you step by step to identify the Class J fuse best suited to your industrial electrical installation, ensuring a safe, quick, and straightforward choice.

In addition, we offer compatible fuse holders, essential protective accessories, and complementary solutions to ensure safe, reliable, and standards-compliant operation. This helps you save time, reduce errors, and maintain the continuity of your operations.

📩 Contact us now via our CONTACT US page.
We provide personalized, solution-oriented support to best meet your industrial needs.

⚠️ Minimize Downtime and Secure Your Electrical Protection

Every unprotected fault—or even a nuisance trip—can lead to costly shutdowns. Over time, these interruptions can result in significant productivity losses and substantial revenue impact.

To avoid these risks, it is strongly recommended to equip your system now with the Mersen AJT40 Class J 40 A time-delay fuse.

Thanks to its robust design, Amp-Trap 2000® technology, and SmartSpot® visual indicator, this fuse enhances the safety of your installations and ensures the continuity of your industrial operations, even in the most demanding environments.

⚡ Benefit from Efficient Logistics and Reliable Technical Support

In addition, our responsive customer service and optimized supply chain allow you to quickly benefit from effective support tailored to your needs.

• Fast delivery
• Reliable technical support
• Industrial emergency management
• Comprehensive professional follow-up

This solution provides strong support, helps prevent issues, reduces failure risks, and keeps reliable electrical protection for your 600 VAC / 400 VDC circuits.

🚀 Don’t waste Time: Order Your Mersen AJT40  – Class J 40A Fuse

Choose the AJT40 fuse – 40 A – 600 VAC / 400 VDC – SmartSpot® – Amp-Trap 2000®, manufactured by Mersen / Ferraz Shawmut, and benefit from:

• Reliable and long-lasting protection
• Compact Class J design
• Compliance with international standards (UL, CSA, CE, RoHS)
• Performance suited for demanding industrial environments
• Enhanced safety for critical equipment

By choosing the Mersen AJT40 fuse, you improve the continuity of your installations, reduce the risk of downtime, and strengthen the overall reliability of your electrical network.

Available in different amperages : AJT35 Mersen – Fuse AJT – Class J – Time-delay 600VAC 400VDC 35A Ferrule SmartSpot® Amp-Trap 2000®

CA Product : PFTJ40

Manufacturer : Mersen/Ferraz Shawmut

SKU : AJT40

EAN / UPC code : 782001962326

Technical Data : Click here!

🏆 Canada Automation offers fast access to certified components and equipment to automate, secure, and optimize your installations. Through our distribution network and available inventory, you improve performance, reduce costs, and speed up your operations.