A3T300 - 300Amp Fuse Description
A3T300 - 300Amp Fuse
The Mersen A3T300 Amp-Trap® Class T Fuse is made for electrical systems that need quick, dependable protection in a compact design. With a 300A rating, this fast-acting fuse helps protect equipment from short circuits and overloads before damage spreads through the system. Its smaller Class T footprint also makes it a solid choice for installations where panel space is limited.
Whether it’s installed in a UPS system, motor control center, or power distribution equipment, this fuse is built to help keep critical systems protected and running smoothly.
Key Features and Benefits
- 300A Class T fast-acting fuse
- Rated for 300VAC and 160VDC applications
- Helps protect equipment from overloads and short circuits
- Compact Class T design helps save panel space
- Fast response helps reduce potential equipment damage
- Glass melamine body offers added dimensional stability
- 200 kA interrupting rating for high fault-current applications
- Bolted blade-style terminals for secure installation
- Copper terminal construction for dependable conductivity
- Permanent markings help simplify identification and maintenance
Technical Specifications
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Manufacturer: Mersen
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Catalog Number: A3T300
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Product Type: Class T Fast-Acting Fuse
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Ampere Rating: 300A
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AC Voltage Rating: 300VAC
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DC Voltage Rating: 160VDC
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Frequency: 50/60 Hz
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Fuse Class: Class T
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Fuse Speed: Fast-Acting
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Interrupting Rating (AC): 200 kA
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Mounting Type: Bolted
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Terminal Type: Blade
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Terminal Material: Copper
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Body Material: GMG (Glass Melamine)
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Product Length: 69.8 mm
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Product Diameter: 33.8 mm
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Product Weight: 0.1234 kg
Material Compliance and Certifications
- RoHS Compliant
- Suitable for UL/CSA low-voltage fuse applications
- Designed for commercial and industrial electrical protection systems
Where It Works Best
- Industrial control panels
- Power distribution equipment
- UPS and backup power systems
- Motor control centers
- Battery and DC systems
- Commercial electrical service equipment
- Manufacturing and automation systems
- Branch circuit protection applications
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Specifications
- Width:1.312
- Depth:1.312
- Height:2.75
- Amperes:300
- A.I.C. Rating & Volts:200 kA @ 300 V.AC
- Type:A3T
- Additional Notes:Knife-Blade Style, Non-Indicating, Very Fast-Acting, current-limiting Class T Fuse
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