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MERSEN FUSE 300V 150A T FUSE A3T150
Fast-acting Class T fuse rated for 300VAC and 160VDC with 150A current rating and 200kA interrupting capacity. Features blade copper terminals and bolted mounting.
£36.00
Why Choose the Mersen A3T150 Amp-Trap® Class T Fuse?
The Mersen A3T150 is a fast-acting Class T current-limiting fuse designed to protect industrial and commercial electrical systems against damaging short circuits and overcurrent conditions. Part of the established Mersen Amp-Trap® A3T series, it provides rapid fault interruption and exceptional current limitation to help safeguard conductors, switchgear and connected equipment.
Its compact Class T construction delivers a high interrupting capacity while requiring less installation space than many conventional fuse types. The A3T150 also features unique Class T dimensions that help prevent replacement with unsuitable lower-performance fuses, supporting safe and dependable system maintenance.
With a rated current of 150 A, a 300 V AC rating and a 160 V DC rating, the Mersen A3T150 is suitable for panelboards, switchboards, load centres, metering equipment and industrial power distribution systems where reliable high-speed protection is essential.
Key Advantages
- Fast-acting Class T current-limiting fuse for dependable circuit protection.
- 150 A rated current for industrial and commercial power systems.
- 300 V AC and 160 V DC voltage ratings.
- Exceptional current limitation reduces damaging peak fault current.
- Compact dimensions support space-efficient electrical panel designs.
- Unique Class T format helps prevent substitution with unsuitable fuse classes.
Key Features
- Mersen Amp-Trap® A3T series.
- Class T fuse design.
- 150 A rated current.
- 300 V AC / 160 V DC rated voltage.
- Fast-acting, current-limiting operating characteristic.
- 200 kA AC interrupting rating.
- Durable glass melamine fuse body.
- Blade terminals for installation in compatible Class T fuse holders.
Reliable Current-Limiting Circuit Protection
Current-limiting fuses such as the Mersen A3T150 interrupt severe fault currents before they reach their maximum prospective value. This reduces the thermal and mechanical forces imposed on conductors, busbars, switchgear and connected equipment during a short circuit.
The combination of fast operation, high interrupting capacity and compact dimensions makes the A3T150 suitable for electrical distribution systems where rapid fault clearance, efficient use of panel space and dependable equipment protection are critical.
Typical Applications
- Industrial panelboards and distribution panels.
- Switchboards and electrical switchgear.
- Load centres and metering centres.
- Industrial machinery and control equipment.
- Power distribution assemblies.
- Commercial electrical installations.
- Power conversion and battery systems.
Technical Specifications
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| Current | 150 A | |
|---|---|---|
| Voltage | 300 V | |
| Fuse Type | UL class | |
| Fuse Class | Fast acting | |
| Item number | A3T150 | |
| Description | Fuse A3T - Class T - Fast-Acting 300VAC 160VDC 150A Blade Amp-Trap® | |
| EAN/UPC Code | 782001890216 | |
| Rated voltage AC UL | 300 V | |
| Rated voltage DC UL | 160 V | |
| Frequency (Hz) | 50/60 Hz | |
| Ampere Rating | 150 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 A3T150 used for?
The Mersen A3T150 protects industrial and commercial electrical circuits against damaging short circuits and excessive overcurrent conditions.
What is the current rating of the Mersen A3T150?
The fuse has a rated current of 150 A.
What voltage is the A3T150 rated for?
The Mersen A3T150 is rated for electrical systems operating at up to 300 V AC or 160 V DC.
Is the Mersen A3T150 a fast-acting fuse?
Yes. The A3T150 is a fast-acting, current-limiting Class T fuse designed to interrupt high fault currents rapidly.
Where is the Mersen A3T150 typically installed?
It is typically installed in a compatible Class T fuse holder within panelboards, switchboards, industrial machinery and power distribution equipment.
Trusted by Electrical Professionals Worldwide
Mersen Amp-Trap® Class T fuses are widely specified by electrical engineers, panel builders and equipment manufacturers for compact, high-performance protection of critical industrial and commercial electrical systems.
