A4BT1400 - 1400 Amp Fuse

A4BT1400 - 1400 Amp Fuse

When your electrical system demands serious protection, the Mersen A4BT1400 Amp-Trap® Class L Time-Delay Fuse is built to deliver. Designed for high-capacity industrial and commercial power distribution systems, this 1400A fuse helps safeguard critical equipment from damaging overcurrent and short-circuit events while still allowing the flexibility needed for heavy startup loads. Its advanced current-limiting technology reacts quickly during fault conditions, helping reduce equipment damage, downtime, and costly interruptions to your operation.

Whether you’re protecting mains, feeders, motor control centers, or large distribution equipment, this Mersen Amp-Trap® fuse offers the performance and reliability professionals count on every day.

Key Features and Benefits

• 1400 Amp Class L Time-Delay Fuse designed for demanding industrial applications
• Advanced current-limiting protection helps minimize damage during short circuits
• 10-second time-delay at 500% rating supports motor startups and high inrush currents
• Rated for 600VAC and 500VDC systems
• High 200 kA interrupting rating for dependable fault-current protection
• Supports 100% equipment rating under normal operating conditions
• Silver-plated copper blade terminals improve conductivity and corrosion resistance
• Bolted mounting design provides secure installation and dependable performance
• Ideal for mains, feeders, transformers, switchgear, and motor circuits
• Engineered for commercial, industrial, and heavy-duty electrical distribution systems

Technical Specifications

• Manufacturer: Mersen
  
• Catalog Number: A4BT1400
  
• Product Type: Amp-Trap® Class L Time-Delay Fuse
  
• Fuse Class: Class L
  
• Ampere Rating: 1400A
  
• Rated Voltage AC: 600 VAC
  
• Rated Voltage DC: 500 VDC
  
• Frequency: 50/60 Hz
  
• Interrupting Rating: 200 kA AC
  
• Fuse Characteristic: Time Delay
  
• Mounting Type: Bolted
  
• Terminal Type: Blade
  
• Terminal Material: Silver-Plated Copper
  
• Body Material: GMG
  
• Product Length: 273 mm
  
• Product Diameter: 76.2 mm
  
• Product Weight: 2.6853 kg
  
• Product Group: Low Voltage UL/CSA Fuses
  

Material Compliance and Certifications

• RoHS Compliant
• Designed for UL/CSA low-voltage fuse applications
• Suitable for both AC and DC circuit protection
• Manufactured to meet demanding industrial overcurrent protection requirements
  

Where It Works Best

• Common applications include:
• Industrial manufacturing facilities
• Motor control centers and large motor systems
• Commercial power distribution equipment
• Utility and infrastructure projects
• Main feeder and service entrance protection
• High fault-current electrical systems
• Switchgear and distribution panels