AJT200 - 200 Amp Fuse

AJT200 - 200 Amp Fuse

Engineered for reliable overcurrent protection in demanding industrial and commercial electrical systems, the Mersen AJT200 200 Amp Amp‑Trap 2000 Class J Time‑Delay Fuse delivers dependable performance where it matters most. Rated for both 600 VAC and 500 VDC service, this Class J fuse helps safeguard motors, transformers, feeders, branch circuits, and control panels from unexpected overloads without nuisance trips. Its space‑saving, compact profile installs easily and uses significantly less panel space than traditional Class RK fuses, giving you more flexibility in tight electrical enclosures.

Key Features and Benefits

• Time‑Delay Performance: Designed to withstand typical motor and transformer inrush currents without unnecessary blowing, helping maintain uptime and reducing nuisance replacements.
• SmartSpot Visual Indicator: A built‑in open fuse indicator instantly shows when a fuse has blown, speeding up troubleshooting and minimizing downtime.
• Space‑Efficient Design: Slim profile takes up only half the mounting space of comparable fuses, letting you optimize panel layout and simplify installation.
• High Fault Withstand Capability: Excellent interrupting capacity handles high fault conditions safely and effectively.

Technical Specifications

• Voltage Rating: 600 VAC / 500 VDC
  
• Current Rating: 200 Amps
  
• Interrupting Rating:
  • 200 kA AC
  • 100 kA DC
• Frequency: 50/60 Hz
  
• Fuse Class: Class J
  
• Speed/Characteristic: Time‑Delay
  
• Mounting: Clip or Bolted
  
• Terminal Type: Blade
  
• Body Material: Fiberglass with premium silica filler
  
• Dimensions: 1.625″ diameter × 5.75″ length
  
• Weight: 0.765 lbs
  

Material Compliance and Certifications

• ROHS Compliant: Yes
  
• Safety Standards:
  • UL Listed to Standard 248‑8 (File E2137)
  • CSA Certified to Standard C22.2 No. 248.8
  • Meets IEC 60269‑2‑1 requirements

Where It Works Best

• The AJT200 is ideal for use in motor circuits, feeders, lighting loads, transformers, heaters, and branch circuits where you need dependable overload protection. Use it in commercial buildings, industrial plants, equipment panels, and load centers to protect against overcurrent conditions. Its time‑delay characteristic and high interrupting capability make it suitable for applications with high start‑up currents and demanding electrical environments.