Bussmann 170M5458 – Fuse 400A 690V 2Bkn/50 Ar Uc

Product Description: Bussmann 170M5458 Fuse 400A 690V 2Bkn/50 Ar Uc

Professional Circuit Protection for Demanding Industrial Applications

Key Specifications

• Current Rating: 400A (Amperes)
• Rated Voltage: 690V AC
• Breaking Capacity: 2 kA (kiloamperes)
• Characteristic: 50 Ar (Time-delay for overload and short-circuit protection)
• Compliance: Uc (Rated operational voltage category)
• Technology: Dual-element design (2Bkn) for enhanced safety

Overview

The Bussmann 170M5458 is a high-performance industrial fuse engineered to safeguard electrical circuits against overcurrents and short circuits in 690V AC systems. With a robust 400A rating, it delivers reliable protection for heavy-duty equipment, including motors, transformers, and distribution panels. The 50 Ar time-delay characteristic ensures optimal coordination with downstream devices, minimizing nuisance tripping during temporary surges.

Features & Benefits

• Dependable Protection: Dual-element (2Bkn) design combines fast-acting short-circuit response with time-delay overload tolerance.
• Safety Compliance: Meets international standards for voltage category Uc, ensuring suitability for industrial control systems.
• High Reliability: Precision-engineered to interrupt fault currents up to 2 kA, preventing equipment damage and downtime.
• Industrial Durability: Constructed with heat-resistant materials for stable performance in harsh environments.
• Easy Integration: Compatible with standard fuse holders and switchgear for seamless retrofits or new installations.

Ideal Applications

• Motor control centers (MCCs)
• Power distribution boards
• Industrial machinery (e.g., conveyors, pumps)
• Renewable energy systems (solar/wind inverters)
• HVAC and compressor units

Why Choose Bussmann?

As a flagship product from Eaton’s Bussmann series, the 170M5458 fuse embodies decades of innovation in circuit protection. Its precision engineering ensures operational continuity, reduces maintenance costs, and prioritizes safety in critical infrastructure.

Note: Verify compatibility with local electrical standards and consult technical datasheets for installation guidelines.