A4BT1500 - 1500 Amp Fuse Description
A4BT1500 - 1500 Amp Fuse
When your electrical systems operate under heavy loads, dependable circuit protection becomes essential. The Mersen A4BT1500 Amp-Trap® Class L Time-Delay Fuse is built to help safeguard high-capacity industrial and commercial power systems from damaging overloads and short circuits while keeping operations running smoothly. Rated at 1500 amps with a high 200 kA interrupting capacity, this Class L fuse is designed for applications where performance, safety, and uptime matter every day.
What makes the A4BT1500 especially valuable in demanding environments is its time-delay functionality. Large motors, transformers, HVAC equipment, and other power-hungry systems often create temporary inrush currents during startup.
Constructed with silver-plated copper blade terminals and a secure bolted mounting design, the A4BT1500 provides strong electrical conductivity and dependable installation performance in high-power applications. Its dual 600VAC and 500VDC ratings also make it versatile enough for a wide range of AC and DC systems across industrial facilities, utilities, manufacturing plants, and commercial infrastructure projects. For facilities looking to improve protection while minimizing costly downtime, the Mersen A4BT1500 delivers the high-performance fuse protection trusted by electrical professionals nationwide.
Key Features and Benefits
- 1500 Amp Current Rating designed for high-capacity industrial and commercial electrical systems
- Time-delay protection helps prevent nuisance openings caused by motor startup and temporary overload currents
- Class L current-limiting fuse helps reduce equipment damage during high fault conditions
- 600VAC and 500VDC ratings support both AC and DC applications
- 200 kA interrupting rating delivers advanced short-circuit protection in demanding environments
- Bolted blade connection design provides secure installation and dependable conductivity
- Silver-plated copper terminals help improve electrical performance and resist corrosion over time
- Supports 100% rated equipment applications under normal operating conditions
- Helps reduce unexpected downtime and improve overall system reliability
Technical Specifications
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Manufacturer: Mersen
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Catalog Number: A4BT1500
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Series: A4BT – Class L – Time-Delay
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Product Type: Amp-Trap® Fuse
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Fuse Class: Class L
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Ampere Rating: 1500A
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Rated AC Voltage: 600 VAC
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Rated DC Voltage: 500 VDC
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Frequency: 50/60 Hz
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Interrupting Rating: 200 kA AC
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Fuse Characteristic: Time Delay
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Mounting Type: Bolted
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Terminal Type: Blade
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Terminal Material: Silver-Plated Copper
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Body Material: GMG Insulating Material
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Product Length: 273 mm
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Product Diameter: 76.2 mm
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Product Weight: 2.6853 kg
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Compatibility: AC/DC
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UPC: 782001939953
Material Compliance and Certifications
- RoHS Compliant for material and environmental compliance requirements
- Designed for UL low-voltage fuse applications
Where It Works Best
- Industrial manufacturing facilities
- Main switchboards and power distribution systems
- Large motor protection applications
- Utility and infrastructure installations
- Commercial electrical distribution equipment
- Heavy-duty HVAC systems
- Processing plants and production equipment
- Feeder and mains protection circuits
- Switchgear requiring high interrupting Class L fuse protection
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Specifications
- Width:2.375
- Depth:2.375
- Height:10.75
- Amperes:1500
- A.I.C. Rating & Volts:200 kA @ 600 V.AC
- Type:A4BT
- Additional Notes:Knife-Blade Style, Non-Indicating, 10-second Time-Delay (at 500% of rating), current-limiting Class L Fuse
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