A3T25 - 25Amp Fuse

A3T25 - 25Amp Fuse

When your electrical systems demand fast, dependable protection, the Mersen A3T25 Class T Fast-Acting Fuse delivers the performance professionals trust. Built for high-speed response in demanding commercial and industrial applications, this 25A Class T fuse is designed to help protect your sensitive equipment from damaging overloads and short circuits before they turn into expensive repairs or unexpected downtime.

What sets the A3T25 apart is its combination of high current-limiting capability and compact size. In crowded electrical panels where space matters, this fuse provides serious protection without taking up unnecessary room. Its fast-acting design reacts quickly to fault conditions, helping reduce thermal and mechanical stress on connected equipment. Whether you're installing it in industrial control panels, power distribution systems, HVAC equipment, or automation applications, the A3T25 is engineered to keep systems operating safely and efficiently.

The durable glass melamine body offers excellent dimensional stability, while the ferrule-style construction allows for secure installation in compatible clip-mounted fuse holders. Permanent catalog markings make future maintenance and replacement simple, especially in busy service environments where quick identification matters. With a high interrupting rating of 200 kA and support for both AC and DC applications, this fuse provides the confidence electricians, contractors, and maintenance professionals look for when protecting critical electrical systems.

Key Features and Benefits

• Fast-Acting Circuit Protection: Responds rapidly to overloads and short circuits to help minimize equipment damage.
• High Current Limitation: Helps reduce destructive fault energy before it reaches connected components.
• Compact Class T Design: Saves valuable panel space while maintaining strong protection performance.
• 25 Amp Rating: Ideal for a wide range of low-voltage electrical applications.
• 300VAC / 160VDC Rated: Suitable for both AC and DC circuits.
• 200 kA Interrupting Capacity: Provides high fault-clearing capability for demanding electrical environments.
• Ferrule Terminal Construction: Designed for secure installation in clip-mounted fuse holders.
• Glass Melamine Body: Helps maintain dimensional stability and long-term reliability.
• Permanent Identification Markings: Makes maintenance and replacement easier over time.
• Trusted Protection for Sensitive Equipment: Helps safeguard motors, controls, and power distribution systems.

Technical Specifications

• Manufacturer: Mersen
  
• Catalog Number: A3T25
  
• Product Type: Class T Fast-Acting Fuse
  
• Ampere Rating: 25A
  
• Voltage Rating AC: 300VAC
  
• Voltage Rating DC: 160VDC
  
• Frequency: 50/60 Hz
  
• Fuse Class: Class T
  
• Speed / Characteristic: Fast-Acting
  
• Interrupting Rating: 200 kA
  
• Terminal Type: Ferrule
  
• Mounting Type: Clip
  
• Terminal Material: Copper
  
• Product Diameter: 10.4 mm
  
• Product Length: 22.4 mm
  
• Body Material: GMG (Glass Melamine)
  
• Product Weight: 0.0054 kg
  
• AC/DC Application: AC and DC
  
• UPC: 782001890087
  

Material Compliance and Certifications

• RoHS Compliant: Manufactured to meet Restriction of Hazardous Substances (RoHS) requirements for environmentally conscious installations.
• Designed for low-voltage UL fuse applications.
• Engineered for consistent electrical performance and dependable dimensional stability.
  

Where It Works Best

• Industrial control panels
• Power distribution equipment
• HVAC systems
• Motor control circuits
• UPS and backup power systems
• Automation and manufacturing equipment
• Commercial electrical installations
• Sensitive electrical and electronic equipment protection