A3T225 - 225Amp Fuse

A3T225 - 225Amp Fuse

The Mersen A3T225 Class T Fast-Acting Fuse is made for electrical systems that need quick response and dependable protection. Rated at 225 amps, this Class T fuse helps protect equipment from overloads and short circuits before they turn into larger problems. Its fast-acting design makes it a strong fit for commercial and industrial applications where protecting sensitive components and reducing downtime are important.

Whether it’s installed in a switchboard, panelboard, UPS system, or industrial control setup, this fuse is designed to help keep systems running safely and efficiently.

Key Features and Benefits

• Fast-acting protection for overload and short-circuit conditions
• High current-limiting performance helps reduce equipment damage
• Compact Class T design saves space inside electrical enclosures
• 225A amp rating for demanding power distribution applications
• Rated for both 300VAC and 160VDC systems
• Copper blade terminals for reliable conductivity
• Bolted mounting design for secure installation
• 200kA interrupting rating for high fault-current environments
  

Technical Specifications

• Catalog Number: A3T225
  
• Series: A3T – Class T – Fast-Acting
  
• Fuse Class: Class T
  
• Ampere Rating: 225A
  
• Voltage Rating (AC): 300VAC
  
• Voltage Rating (DC): 160VDC
  
• Frequency: 50/60 Hz
  
• Interrupting Rating: 200kA AC
  
• Mounting Type: Bolted
  
• Terminal Type: Blade
  
• Terminal Material: Copper
  
• Body Material: GMG (Glass Melamine)
  
• Product Diameter: 33.8 mm
  
• Product Length: 69.8 mm
  
• Product Weight: 0.1234 kg
  

Material Compliance and Certifications

• RoHS Compliant
• Designed for low-voltage UL fuse applications
• Suitable for both AC and DC electrical systems
  

Where It Works Best

• The A3T225 works well in commercial and industrial electrical systems where fast fault protection is needed. Common applications include motor control centers, switchboards, panelboards, power distribution equipment, UPS systems, and industrial machinery. Its compact size and high interrupting capacity make it especially useful in facilities with limited panel space and high available fault current.