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MERSEN FUSE 300V 175A T FUSE A3T175
Fast-acting Class T blade fuse rated for 175 amps at 300VAC and 160VDC with a high interrupting capacity of 200 kA, designed for industrial power distribution and control panels.
£39.65
Why Choose the Mersen A3T175 Amp-Trap® Class T Fuse?
The Mersen A3T175 is a fast-acting Class T current-limiting fuse engineered to provide superior protection against short circuits and overcurrent conditions in industrial and commercial electrical systems. As part of the proven Mersen Amp-Trap® A3T series, it combines exceptional current limitation with a compact design to help safeguard valuable electrical equipment and minimise damage during fault conditions.
Featuring a robust glass melamine body and permanently blade-stamped catalogue identification, the A3T175 is built for long service life and reliable performance. Its unique Class T dimensions prevent substitution with lower-rated fuse classes, ensuring the correct level of protection is always maintained.
With a rated current of 175 A, a 300 V AC rating and a 160 V DC rating, the Mersen A3T175 is ideal for panelboards, switchboards, load centres, metering centres and industrial power distribution equipment where rapid fault interruption is essential.
Key Advantages
- Fast-acting Class T current-limiting fuse for dependable circuit protection.
- 175 A rated current for industrial and commercial electrical systems.
- 300 V AC and 160 V DC voltage ratings.
- Extremely current-limiting design reduces damaging peak fault currents.
- Compact dimensions maximise electrical panel design flexibility.
- Unique Class T construction prevents substitution with lower-performance fuse types.
Key Features
- Mersen Amp-Trap® A3T series.
- UL Class T fuse.
- 175 A rated current.
- 300 V AC / 160 V DC rated voltage.
- Fast-acting current-limiting characteristic.
- Glass melamine body for superior dimensional stability.
- Permanent blade-stamped catalogue identification.
- Blade terminals for compatible Class T fuse holders.
Reliable Current-Limiting Circuit Protection
Current-limiting fuses such as the Mersen A3T175 interrupt fault currents before they reach their maximum prospective value, significantly reducing thermal and mechanical stress on cables, busbars, switchgear and downstream equipment.
The Amp-Trap® A3T range is trusted by electrical engineers and panel builders for installations where compact dimensions, rapid fault clearance and high interrupting capacity are essential for maintaining system safety and reliability.
Typical Applications
- Industrial panelboards.
- Switchboards.
- Load centres.
- Metering centres.
- Industrial machinery.
- Electrical distribution systems.
- Commercial electrical installations.
Technical Specifications
Tick the specs you need, then view products that match.
| Current | 175 A | |
|---|---|---|
| Voltage | 300 V | |
| Fuse Type | UL class | |
| Fuse Class | Fast acting | |
| Item number | A3T175 | |
| Description | Fuse A3T - Class T - Fast-Acting 300VAC 160VDC 175A Blade Amp-Trap® | |
| EAN/UPC Code | 782001890223 | |
| Rated voltage AC UL | 300 V | |
| Rated voltage DC UL | 160 V | |
| Frequency (Hz) | 50/60 Hz | |
| Ampere Rating | 175 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 | 26.9 mm | |
| Product Length | 62 mm | |
| Sell Pack Quantity | 1 EA | |
| Sell Pack Weight | 0.0771 kg | |
| Sell Pack Width | 28.7 mm | |
| Sell Pack Length | 28.7 mm | |
| Sell Pack Height | 65 mm | |
| Product group | Low Voltage UL/CSA Fuses | |
| Body/Insulating Material | GMG | |
| Product Weight | 0.073 kg | |
| HS Code | 85361090 | |
| Country of Manufacture | Mexico |
Frequently Asked Questions
What is the Mersen A3T175 used for?
The Mersen A3T175 protects industrial and commercial electrical circuits against damaging short circuits and overcurrent conditions.
What is the current rating of the Mersen A3T175?
The fuse has a rated current of 175 A.
What voltage is the A3T175 rated for?
The Mersen A3T175 is rated for electrical systems operating at up to 300 V AC and 160 V DC.
Is the Mersen A3T175 a fast-acting fuse?
Yes. The A3T175 is a fast-acting, current-limiting Class T fuse designed to interrupt high fault currents rapidly.
Where is the Mersen A3T175 typically installed?
It is commonly installed in compatible Class T fuse holders within panelboards, switchboards, industrial machinery and electrical distribution systems.
Trusted by Electrical Professionals Worldwide
Mersen Amp-Trap® Class T fuses are trusted worldwide for delivering compact, reliable and high-performance protection in demanding industrial and commercial electrical installations.
