Eaton 7BA4-400E - Medium Voltage Fuse 7200V/400A (Class E Current-Limiting)

Eaton 7BA4-400E is a medium-voltage current-limiting fuse designed for high-voltage circuit protection in industrial power distribution systems. Rated for 7200V AC operation with a 400A current capacity, this Class E fuse provides reliable overcurrent protection for transformers, capacitors, and feeder circuits. The robust construction features precision-engineered fusible elements housed in a durable ceramic body, weighing 3 lb for secure mechanical stability. Compliant with IEEE C37.40-41 standards, it meets stringent requirements for medium-voltage applications. Typical installations include utility substations, industrial plants, and large commercial facilities requiring 7.2kV protection.

Key Features & Specifications

• Type: Medium-voltage current-limiting fuse with ceramic housing
• Voltage Rating: 7200V AC
• Current Rating: 400A
• Class Rating: E
• Weight: 3 lb
• Standards: IEEE C37.40-41 compliant
• Applications: Transformer protection, capacitor banks, feeder circuits