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MERSEN FUSE 600V 8A CLASS J TD FUSE AJT8
The AJT8 fuse offers robust circuit protection with a high interrupting rating, time-delay characteristic, and SmartSpot® indication system. Rated for 600 V AC and 500 V DC, it is ideal for motor protection and critical power circuits.
£14.96
Why Choose the Mersen AJT8 Class J Fuse?
The Mersen AJT8 is a high-performance 8 A Class J time-delay fuse engineered to provide reliable overcurrent and short-circuit protection for industrial electrical systems. As part of the trusted Mersen Amp-Trap 2000 AJT series, it features advanced current-limiting technology and is designed to withstand the temporary inrush currents associated with motors, transformers and other inductive loads.
Its time-delay operating characteristic helps prevent nuisance fuse operation during normal equipment start-up while delivering rapid protection during fault conditions. The AJT8 is ideal for machinery, motor branch circuits, industrial control panels, transformers and power distribution equipment where dependable protection and maximum uptime are essential.
With a rated current of 8 A and voltage ratings of 600 V AC and 400 V DC, the AJT8 provides excellent protection in demanding industrial applications. Its compact Class J design requires significantly less mounting space than comparable Class RK fuses, making it an excellent choice for modern control panels.
Key Advantages
- Reliable Class J time-delay fuse for industrial circuit protection.
- 8 A current rating for machinery and control applications.
- 600 V AC and 400 V DC ratings.
- Current-limiting design helps minimise damaging fault energy.
- Time-delay operation accommodates normal motor and transformer inrush currents.
- Compact Class J design saves valuable panel space.
Key Features
- Mersen Amp-Trap 2000 AJT series.
- 8 A rated current.
- 600 V AC / 400 V DC rated voltage.
- Class J dual-element time-delay construction.
- Current-limiting technology for enhanced equipment protection.
- SmartSpot visual open fuse indicator.
- Compact ferrule body for Class J fuse holders.
- Suitable for branch circuits, motors, transformers and industrial machinery.
Reliable Protection for Industrial Electrical Systems
The Mersen AJT8 protects industrial electrical equipment by interrupting excessive current before damage occurs to conductors and connected components. Its current-limiting design significantly reduces the amount of fault energy that passes through the circuit during a short circuit, helping extend equipment life.
The dual-element time-delay construction enables the fuse to withstand harmless temporary current surges while still providing rapid protection against genuine overloads and short circuits. This makes the AJT8 an excellent choice for industrial automation, machinery and power distribution applications.
Typical Applications
- Industrial motor branch circuits.
- Control panels and switchboards.
- Transformers and control transformers.
- Industrial machinery and automation equipment.
- Power distribution systems.
- Heating and lighting circuits.
Technical Specifications
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| Fuse Indication | Visual indicator | |
|---|---|---|
| Current | 8 A | |
| Voltage | 600 V | |
| Fuse Type | UL class | |
| Fuse Class | Time delay | |
| Item number | AJT8 | |
| Description | Fuse AJT - Class J - Time-delay 600VAC 500VDC 8A Ferrule SmartSpot® Amp-Trap 2000® | |
| EAN/UPC Code | 782001963095 | |
| Rated voltage AC UL | 600 V | |
| Rated voltage DC UL | 500 V | |
| Frequency (Hz) | 50/60 Hz | |
| Ampere Rating | 8 A | |
| AC or DC | AC/DC | |
| Fuse Class | Class J | |
| Speed/Characteristic | Time Delay | |
| Mounting | Clip | |
| AC Max I.R./Breaking Capacity | I1: 200 kA | |
| Indication System | Yes | |
| Indication System Type | SmartSpot® | |
| Connection/Terminal Material | Tin-Plated Copper | |
| Connection/Terminal Type | Ferrule | |
| Product Diameter | 20.7 mm | |
| Product Length | 57.2 mm | |
| Sell Pack Quantity | 10 EA | |
| Sell Pack Weight | 0.4627 kg | |
| Sell Pack Width | 60.5 mm | |
| Sell Pack Length | 111.3 mm | |
| Sell Pack Height | 42.9 mm | |
| Product group | Low Voltage UL/CSA Fuses | |
| Body/Insulating Material | GMG | |
| Product Weight | 0.044 kg | |
| HS Code | 85361010 | |
| Country of Manufacture | Mexico |
Frequently Asked Questions
What is the Mersen AJT8 used for?
The AJT8 protects industrial motors, transformers, machinery, branch circuits and control panels from overloads and short circuits.
What is the current rating of the AJT8?
The Mersen AJT8 has a rated current of 8 A.
Is the AJT8 a time-delay fuse?
Yes. Its dual-element time-delay design allows it to withstand normal motor-starting and transformer inrush currents while maintaining effective fault protection.
What voltage is the AJT8 rated for?
The fuse is rated for 600 V AC and 400 V DC applications.
Does the AJT8 include a visual indicator?
Yes. The AJT8 incorporates Mersen's SmartSpot visual open fuse indicator, making fuse identification faster during maintenance.
Trusted Industrial Circuit Protection
Mersen Amp-Trap 2000 AJT Class J fuses are trusted by electrical engineers, OEMs and panel builders worldwide for dependable current-limiting protection in industrial machinery and power distribution systems.
