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Mersen A4BT450
Fuse 600V 450A Time-Delay Class L A4BT Series
Product Description
The A4BT Series fuse features a high interrupting rating, making it suitable for protecting mains, feeders, and various circuits. With a time-delay of 10 seconds at 500 percent of its rating, this fuse is particularly effective for large motors and loads with significant inrush currents. Its application allows for 100 percent rating of equipment under normal load conditions. The fuse is rated for a maximum of 600 V AC and 500 V DC, and is classified under Class L for its time-delay characteristic.
Constructed with a body made of GMG and equipped with silver-plated copper terminals, the A4BT fuse is designed for bolted mounting. It delivers an exceptional breaking capacity of 200 kA at maximum interrupting rating, ensuring reliable performance in demanding environments.
Offer details
- Best offer from:
Trusted supplier — Italy, member since 2021, 10–19 employees- Availability:
- 0 pcs.On RequestUpdated at: 14-09-2026
- Warranty:
- 12 months
- Condition:
- New Factory Sealed
Specifications
- Brand
- Mersen
- Rated voltage AC UL
- 600 V
- Rated voltage DC UL
- 500 V
- Frequency
- 50/60 Hz
- Ampere Rating
- 450 A
- Fuse Class
- Class L
- Speed/Characteristic
- Time Delay
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Documents
Data Sheet
Datasheet for Mersen A4BT450, including specifications and features.
TracePartsCAD Models
3D CAD model and technical drawings, ready for your design software.
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