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MERSEN FUSE 300V 30A T FUSE A3T30
Fast-acting Class T blade fuse providing rapid circuit protection with a 300A rating and compatibility for 300VAC and 160VDC systems.
£17.61
Why Choose the Mersen A3T30 Class T Fuse?
The Mersen A3T30 is a high-performance Class T fast-acting fuse designed to deliver superior overcurrent and short-circuit protection for industrial and commercial electrical systems. As part of the trusted Mersen Amp-Trap® A3T series, it combines exceptional current-limiting performance with a compact ferrule design, making it ideal for applications where equipment protection and panel space are equally important.
Designed for rapid fault interruption, the A3T30 helps reduce the damaging effects of high fault currents, protecting electrical equipment, conductors and distribution systems. Its unique Class T dimensions prevent substitution with lower-performance fuse types, improving safety and ensuring dependable circuit protection.
With a rated current of 30 A, a 300 V AC / 160 V DC rating and a fast-acting operating characteristic, the Mersen A3T30 is well suited for industrial control panels, switchboards, distribution equipment and OEM machinery requiring reliable circuit protection.
Key Advantages
- Compact Class T fast-acting industrial fuse.
- 30 A current rating for reliable circuit protection.
- 300 V AC and 160 V DC voltage rating.
- Extremely current-limiting design reduces equipment damage during faults.
- Unique Class T dimensions prevent incorrect fuse replacement.
- Compact ferrule construction saves valuable panel space.
Key Features
- Mersen Amp-Trap® A3T Class T series.
- 30 A ampere rating.
- 300 V AC / 160 V DC rated voltage.
- Fast-acting overcurrent protection.
- Glass melamine body for dimensional stability.
- Ferrule terminal construction.
- 50 / 60 Hz operation.
- High interrupting capacity for industrial applications.
Reliable Protection for Industrial Electrical Systems
Fast-acting Class T fuses respond almost instantly to excessive fault currents, limiting the energy that reaches downstream equipment. This helps reduce thermal and mechanical damage while improving the safety and reliability of industrial electrical installations.
The Mersen A3T30 combines high interrupting capacity with a compact footprint, making it an excellent choice for modern control panels, switchboards and machinery where dependable overcurrent protection is essential.
Typical Applications
- Industrial control panels.
- Switchboards and panelboards.
- Motor control centres.
- Distribution equipment.
- OEM machinery and automation systems.
- Commercial electrical installations.
Technical Specifications
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| Current | 30 A | |
|---|---|---|
| Voltage | 300 V | |
| Fuse Type | UL class | |
| Fuse Class | Fast acting | |
| Item number | A3T300 | |
| Description | Fuse A3T - Class T - Fast-Acting 300VAC 160VDC 300A Blade Amp-Trap® | |
| EAN/UPC Code | 782001890261 | |
| Rated voltage AC UL | 300 V | |
| Rated voltage DC UL | 160 V | |
| Frequency (Hz) | 50/60 Hz | |
| Ampere Rating | 300 A | |
| AC or DC | AC/DC | |
| Fuse Class | Class T | |
| Speed/Characteristic | Fast-Acting | |
| Mounting | Bolted | |
| AC Max I.R./Breaking Capacity | I1: 200 kA | |
| Connection/Terminal Material | Copper | |
| Connection/Terminal Type | Blade | |
| Product Diameter | 33.8 mm | |
| Product Length | 69.8 mm | |
| Sell Pack Quantity | 1 EA | |
| Sell Pack Weight | 0.1315 kg | |
| Sell Pack Width | 35.1 mm | |
| Sell Pack Length | 35.1 mm | |
| Sell Pack Height | 73.2 mm | |
| Product group | Low Voltage UL/CSA Fuses | |
| Body/Insulating Material | GMG | |
| Product Weight | 0.1234 kg | |
| HS Code | 85361050 | |
| Country of Manufacture | Mexico |
Frequently Asked Questions
What is the Mersen A3T30 used for?
The A3T30 provides fast-acting protection against overloads and short circuits in industrial and commercial electrical systems.
What is the current rating of the A3T30?
The fuse has a continuous current rating of 30 A.
What voltage is the Mersen A3T30 rated for?
The A3T30 is rated for 300 V AC and 160 V DC applications.
What are the benefits of a Class T fuse?
Class T fuses provide extremely high current limitation, compact dimensions and unique sizing that prevents replacement with lower-rated fuse classes.
Where is the A3T30 commonly installed?
It is typically installed in industrial switchboards, distribution panels, motor control centres and OEM machinery requiring high-performance circuit protection.
Trusted for Industrial Circuit Protection
Mersen Amp-Trap® Class T fuses are trusted by electrical engineers, OEMs and panel builders worldwide for delivering outstanding current limitation, dependable overcurrent protection and long-term reliability in demanding industrial applications.
