Overview
The Eaton 6429-2T is a Cooper Power series Fit-All fuse link engineered for distribution system overcurrent protection. Rated at 150A and measuring 23 inches in length, this Type QA fuse link features a removable button head design with standard leader and yellow color coding for clear identification in the field. The unit arrives in individual box packaging and is designed for both open and enclosed cutout applications.
Key Features
- 150A current rating suitable for medium-voltage distribution systems
- Type QA configuration with removable button head design for quick field replacement
- 23-inch (584 mm) length compatible with standard Fit-All cutouts
- Yellow color code for easy identification
- Standard leader for flexible connection options
- IEEE Std C37.41 and IEEE C57.42 tested and certified
Technical Specifications
- Current Rating: 150A
- Fuse Type: Type QA
- Length: 23 inches (584 mm)
- Button Head: Removable
- Leader Type: Standard
- Color: Yellow
- Series: Cooper Power Fit-All
- Standards: IEEE C37.41, IEEE C57.42
- Packaging: Individual box
Typical Applications
- Distribution transformer protection in utility substations
- Feeder line overcurrent protection
- Medium-voltage distribution cutout systems
- Coordination with reclosers and protective relays
- Replacement of failed or aged fuse links in existing installations
Compatibility & Replacements
Compatible With
- Eaton Cooper Power series Fit-All cutouts (open and enclosed)
- Standard 23-inch fuse link mounting systems
- Medium-voltage distribution equipment with Type QA fuse specifications
Replaces / Drop-In Replacement For
- Other Type QA 150A Fit-All fuse links (23″ length)
- Verify compatibility with system documentation before ordering to ensure identical electrical characteristics and physical dimensions.
Works With
- Eaton Cooper Power series protective equipment
- Standard utility distribution cutout systems requiring Type QA fuses
- Coordination with time-delay relays and recloser systems



