A2D4R - 4 Amp Fuse

A2D4R - 4 Amp Fuse

The A2D4R is a 4 amp Class RK1 fuse designed to help protect electrical equipment from overloads and short circuits. Its fast-acting design reacts quickly when fault conditions occur, helping you reduce the chance of damage to motors, transformers, control panels, and other sensitive components. With a 200 kA interrupting rating at 250 VAC, this fuse is made for applications where dependable circuit protection is important.

This cartridge-style fuse is commonly used in commercial and industrial electrical systems that need reliable overcurrent protection without taking up much space. The compact body fits compatible Class R fuse holders and disconnects, making it a practical option for maintenance replacements and new installations alike.

Key Features and Benefits

• Fast-acting protection: Designed for overload and short-circuit protection.
• Current-limiting design: Built as a Class RK1 fuse for dependable fault protection.
• High interrupting capacity: Rated at 200 kA @ 250 VAC.
• Compact cartridge-style construction: Helps simplify installation in compatible fuse holders.
• Equipment protection: Helps protect motors, transformers, and control panels.
• Non-indicating fuse: Designed for straightforward replacement.
• Commercial and industrial compatibility: Suitable for a wide range of electrical applications.
  

Technical Specifications

• Part Number: A2D4R
  
• Type: A2D-R
  
• Class: RK1
  
• Style: Cartridge, Non-Indicating, Fast-Acting
  
• Amperage Rating: 4 Amps
  
• A.I.C. Rating: 200 kA @ 250 VAC
  
• Height: 2.0 in.
  
• Width: 0.56 in.
  
• Depth: 0.56 in.
  

Material Compliance and Certifications

• Class RK1 applications: Designed for current-limiting fuse applications.
• Overcurrent protection systems: Suitable for properly rated overcurrent protection systems.
• High interrupting capacity: Built for applications requiring dependable fault-current protection.
  

Where It Works Best

• The A2D4R fuse works well in industrial equipment, commercial electrical systems, motor control circuits, and distribution panels where fast fault protection is needed. It’s often used in systems that rely on quick interruption to help protect connected equipment and reduce downtime.