A2K200R - 200Amp Fuse

A2K200R - 200Amp Fuse

Protecting electrical equipment from damaging fault currents starts with using the right fuse, and the Mersen A2K200R is built to handle tough industrial demands without overcomplicating the job. This 200A Amp-Trap® Class RK1 fast-acting fuse is designed to react quickly during overloads and short circuits, helping you protect valuable equipment before damage spreads through the system. With a 250VAC/250VDC rating and a high 200 kA interrupting capacity, the A2K200R is a solid choice for branch circuits, feeder protection, motor control centers, and other high-performance electrical applications where reliability matters every day.

The A2K200R combines fast response times with durable construction to help you keep electrical systems operating safely and efficiently.

Key Features and Benefits

• Fast-acting protection: For overloads and short-circuit conditions.
• 200A amp rating: For industrial and commercial electrical systems.
• Rated for both 250VAC and 250VDC applications: Suitable for AC and DC systems.
• High 200 kA interrupting rating: For systems with elevated fault current levels.
• Current-limiting design: Helps reduce equipment stress and damage.
• Tin-plated copper blade terminals: Provide reliable electrical connections.
• PolyTube insulating body: Designed for long service life.
• Compact design: Supports easier installation in electrical equipment.
• Ideal for branch circuits, feeder circuits, and backup protection applications
• RoHS compliant
  

Technical Specifications

• Manufacturer: Mersen
  
• Catalog Number: A2K200R
  
• Series: A2K-R Amp-Trap®
  
• Fuse Class: RK1
  
• Fuse Type: Fast-Acting
  
• Ampere Rating: 200A
  
• AC Voltage Rating: 250VAC
  
• DC Voltage Rating: 250VDC
  
• Frequency: 50/60 Hz
  
• Interrupting Rating: 200 kA AC
  
• Mounting Type: Clip Mount
  
• Terminal Type: Blade
  
• Terminal Material: Tin-Plated Copper
  
• Body Material: PolyTube
  
• Product Length: 181.1 mm
  
• Product Diameter: 39.7 mm
  
• Product Weight: 0.367 kg
  

Material Compliance and Certifications

• RoHS Compliant
• UL low-voltage fuse application rated
• Designed for UL/CSA fuse protection systems
  

Where It Works Best

• The Mersen A2K200R works well in industrial facilities, commercial buildings, switchboards, panelboards, HVAC systems, manufacturing equipment, and motor control applications where fast and dependable overcurrent protection is important. It is especially useful in systems with high available short-circuit current where quick fault clearing can help limit damage and reduce downtime.