Bussmann 170M3744 – Fuse 200A 1250V 1*Fke/115 Ar Cu

Product Overview

The Bussmann 170M3744 is a high-performance, current-limiting fuse designed for robust electrical protection in demanding industrial environments. Engineered to handle extreme loads, this 200A fuse features a voltage rating of 1250V AC, making it ideal for circuits requiring heavy-duty overcurrent and short-circuit protection. The *1Fke/115 Ar Cu** designation signifies its specialized copper construction and Ampere Rating (Ar), ensuring reliable conductivity and minimal energy loss.

Key Specifications

• Current Rating: 200 Amperes (A)
• Voltage Rating: 1250V AC
• Classification: 1*Fke/115 Ar Cu
• Terminal Type: Knife-blade (FKE-style)
• Construction: Copper element for high conductivity
• Breaking Capacity: Ultra-high interrupting rating for critical applications
• Compliance: Meets IEC 60269 and global safety standards

Core Features

• ✅ High-Voltage Protection: Safeguards 1250V circuits against overloads and faults.
• ✅ Current Limitation: Rapid response minimizes arc energy during short circuits.
• ✅ Copper Element: Ensures low resistance, reduced heat generation, and extended service life.
• ✅ FKE Terminal: Facilitates secure mounting in fuse holders and switchgear.
• ✅ Industrial Durability: Resists vibration, temperature fluctuations, and harsh conditions.

Typical Applications

• Industrial motor control centers (MCCs)
• Power distribution panels and switchgear
• Renewable energy systems (e.g., solar/wind inverters)
• Heavy machinery and manufacturing equipment
• Transformer and capacitor bank protection

Why Choose This Fuse?

Manufactured by Eaton Bussmann—a leader in circuit protection—this fuse combines precision engineering with unmatched reliability. Its copper-centric design delivers superior performance in high-stress scenarios, preventing downtime and equipment damage. Always verify compatibility with your system before installation.

⚠️ Note: Consult technical datasheets and local regulations for proper sizing and safety guidelines.

This description emphasizes the fuse's technical capabilities, safety features, and industrial applications while adhering to Markdown formatting. Key elements like voltage/current ratings, copper construction, and compliance standards are highlighted for clarity.