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MERSEN FUSE 600V 5A J TD NON-IND AJT5N
The AJT5N Fuse offers precise time-delay protection for critical circuits, accommodating momentary current surges without nuisance tripping. Rated for 600VAC and 500VDC at 5A, ideal for safeguarding motors, transformers, and branch circuits in demanding industrial environments.
£14.22
Why Choose the Mersen AJT5N Class J Time-Delay Fuse?
The Mersen AJT5N is a compact Class J time-delay fuse designed to provide dependable overcurrent protection for industrial electrical systems. Part of the proven Mersen Amp-Trap 2000® AJT series, it combines time-delay operation with superior current-limiting performance, making it suitable for motors, transformers, feeders and branch circuits that experience temporary inrush currents during normal operation.
The AJT5N is engineered to tolerate typical motor-starting and transformer-energisation currents while responding effectively to sustained overloads and short circuits. Its compact Class J format requires approximately half the mounting space of comparable 600 V AC Class RK fuses, helping panel builders and equipment manufacturers create space-efficient electrical assemblies without compromising circuit protection.
With a rated current of 5 A and a voltage rating of 600 V AC / 500 V DC, the AJT5N is suitable for industrial control panels, motor branch circuits, transformer protection and power distribution equipment. Its ferrule terminals provide a secure connection in compatible Class J fuse clips, holders and fused disconnect switches.
Key Advantages
- Compact Class J time-delay fuse for industrial circuit protection.
- 5 A current rating for control, motor and transformer applications.
- 600 V AC / 500 V DC voltage rating.
- Time-delay characteristics accommodate normal motor and transformer inrush currents.
- Current-limiting performance helps reduce thermal and mechanical damage during faults.
- Compact construction conserves valuable control-panel space.
Key Features
- Mersen Amp-Trap 2000® AJT series.
- 5 A rated current.
- 600 V AC / 500 V DC rated voltage.
- Class J time-delay fuse construction.
- Ferrule terminal configuration.
- 200 kA AC interrupting rating.
- Tin-plated copper terminals.
- Non-indicating fuse configuration.
- Supports IEC Type 2 No Damage protection.
- Clip-mounted installation.
Reliable Protection for Industrial Electrical Systems
The Mersen AJT5N helps protect conductors, motors, transformers and control equipment by interrupting dangerous overload and short-circuit currents before excessive fault energy can cause serious damage. Its time-delay response permits normal temporary start-up currents to pass without unnecessary fuse operation, helping improve equipment availability.
During a high-level fault, the fuse's current-limiting characteristics restrict the peak current and let-through energy experienced by downstream components. This helps reduce thermal stress, mechanical forces and equipment damage in demanding industrial environments.
Typical Applications
- Industrial control panels.
- Motor branch circuit protection.
- Transformer primary and secondary circuits.
- Main, feeder and branch circuits.
- OEM machinery and automation equipment.
- Fused disconnect switches.
- Industrial power distribution systems.
Technical Specifications
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| Current | 5 A | |
|---|---|---|
| Voltage | 600 V | |
| Fuse Type | UL class | |
| Fuse Class | Time delay | |
| Item number | AJT5N | |
| Description | Fuse AJT - Class J - Time-delay 600VAC 500VDC 5A Ferrule Amp-Trap 2000® | |
| EAN/UPC Code | 782001498108 | |
| Rated voltage AC UL | 600 V | |
| Rated voltage DC UL | 500 V | |
| Frequency (Hz) | 50/60 Hz | |
| Ampere Rating | 5 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 | |
| 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 AJT5N used for?
The AJT5N protects industrial motors, transformers, feeders, control equipment and branch circuits against sustained overloads and short-circuit faults.
What is the current rating of the AJT5N?
The Mersen AJT5N has a rated current of 5 A.
What voltage is the AJT5N rated for?
The AJT5N is rated for operation at up to 600 V AC and 500 V DC.
Can the AJT5N handle motor starting currents?
Yes. Its time-delay characteristics allow normal temporary motor-starting and transformer-energisation currents while maintaining dependable protection against sustained overloads and short circuits.
What is the interrupting rating of the AJT5N?
The AJT5N has an AC interrupting rating of 200 kA, making it suitable for installations with high available fault currents.
What type of terminals does the AJT5N use?
The AJT5N uses ferrule terminals manufactured from tin-plated copper for installation in compatible Class J fuse clips and holders.
What are the dimensions of the Mersen AJT5N?
The fuse measures approximately 2.25 inches in length and 0.81 inches in diameter.
Trusted for Industrial Circuit Protection
Mersen Amp-Trap 2000® AJT Class J fuses are widely selected by electrical engineers, panel builders and equipment manufacturers for dependable time-delay protection, high interrupting capacity and effective current limitation.
