A2K250R - 250Amp Fuse

A2K250R - 250Amp Fuse

The Mersen A2K250R Amp-Trap® Class RK1 Fast-Acting Fuse is made for electrical systems that need dependable protection against overloads and short circuits. Rated at 250 amps for both 250VAC and 250VDC applications, this fuse is often used in commercial and industrial equipment where reliable performance matters.

Its fast-acting design helps interrupt fault currents quickly, which can help you reduce damage to electrical components and limit downtime during a fault condition. The A2K250R is commonly used for your branch circuit and feeder circuit protection in switchboards, motor control centers, panelboards, and other power distribution equipment.

Key Features and Benefits

• Fast-acting Class RK1 fuse: Designed for dependable overcurrent protection in commercial and industrial applications.
• Rated for 250A, 250VAC, and 250VDC applications: Suitable for both AC and DC electrical systems.
• Current-limiting design: Helps reduce fault-related equipment damage.
• High 200 kA interrupting rating: Built for demanding electrical environments with high available fault currents.
• Designed for branch and feeder circuit protection: Helps support reliable electrical system performance.
• Durable PolyTube body construction: Supports long-term reliability in tough operating conditions.
• Clip mounting design: For secure installation.
• ROHS compliant: Suitable for installations requiring environmentally compliant components.
  

Technical Specifications

• Manufacturer: Mersen
  
• Catalog Number: A2K250R
  
• Series: A2K-R
  
• Product Type: Amp-Trap® Class RK1 Fast-Acting Fuse
  
• Fuse Class: Class RK1
  
• Ampere Rating: 250A
  
• Rated AC Voltage: 250VAC
  
• Rated DC Voltage: 250VDC
  
• Frequency: 50/60 Hz
  
• Interrupting Rating: 200 kA AC
  
• Characteristic: Fast-Acting
  
• Terminal Type: Blade
  
• Mounting Style: Clip
  
• Terminal Material: Tin-Plated Copper
  
• Body Material: PolyTube
  
• Product Length: 219.2 mm
  
• Product Diameter: 52.4 mm
  
• Product Weight: 0.762 kg
  
• ROHS Compliant: Yes
  

Material Compliance and Certifications

• The A2K250R is ROHS compliant, making it suitable for installations that require environmentally compliant electrical components.
  

Where It Works Best

• Motor control centers (MCCs)
• Industrial control panels
• Switchboards and panelboards
• Commercial power distribution systems
• Manufacturing equipment
• Branch and feeder circuits
• Backup protection for electrical equipment
• Industrial machinery