WESTINGHOUSE BA-400 116D977A19 POWER FUSE REFILL 7.2 KV 400E AMPS (187-1)

Description:

The Westinghouse BA-400 116D977A19 Power Fuse Refill is a medium-voltage expulsion fuse refill designed for protection of transformers, feeders, switchgear, and distribution circuits in industrial and utility power systems. It is part of the BA-400 fuse family and provides high-interrupting-capacity overcurrent protection for medium-voltage applications. Maintenance electricians, substation technicians, and power distribution engineers use this fuse refill for replacement and maintenance of Westinghouse BA-400 fuse assemblies. The fuse is rated at 7.2 kV and 400E amperes.

Applications:

The Westinghouse 116D977A19 fuse refill is commonly used in medium-voltage electrical distribution systems to protect transformers, feeder circuits, switchgear, and power distribution equipment from overloads and short-circuit faults. It is installed in substations, industrial facilities, utility distribution networks, and large commercial power systems where dependable fault interruption and equipment protection are required. E-rated medium-voltage fuses are widely used for transformer and feeder protection applications.

Technical Specifications:

• Manufacturer: Westinghouse Electric Corporation
• Part Number: 116D977A19
• Series: BA-400
• Product Type: Medium-Voltage Power Fuse Refill
• Voltage Rating: 7.2 kV (7200 Volts)
• Current Rating: 400E Amps
• Frequency Rating: 50/60 Hz
• Fuse Classification: E-Rated Medium-Voltage Fuse
• Fuse Type: Expulsion Power Fuse Refill
• Speed Classification: Standard Speed
• Function: Overcurrent and short-circuit protection
• Application: Medium-voltage power distribution systems
• System Compatibility: Westinghouse BA-400 fuse holders and switchgear assemblies
• Installation Type: Replaceable fuse refill unit
• Construction: Vented medium-voltage fuse design
• Suitable For: Indoor and outdoor installations
• Operating Environment: Industrial, commercial, and utility power systems
• Intended Use: Transformer, feeder, and switchgear protection
• Performance Feature: High interrupting capacity with medium-voltage fault-current limitation and reliable circuit protection.

Common Replacements:

• Eaton BA Series Medium-Voltage Fuse Refill
• Bussmann E-Rated Medium-Voltage Power Fuse
• ABB Medium-Voltage Expulsion Fuse