Overview
The Eaton Bussmann KAA-100 is a high-speed, 100-ampere TRON rectifier fuse rated for 130VAC service. This fast-blow cartridge fuse is engineered for protection of semiconductor equipment, rectifier circuits, and power control systems. The KAA-100 combines rapid response time with robust construction, making it suitable for applications requiring dependable short-circuit and overload protection.
Key Features
- Fast-blow operation: Provides rapid protection against transient surge currents and short circuits
- TRON series designation: Specifically designed for rectifier and semiconductor circuits
- Cartridge construction: 1-inch diameter, 2.66-inch length cartridge form factor
- 130VAC rating: Class 5AG midget fuse suitable for industrial control and power distribution systems
- High-amperage protection: 100A capacity for heavy-duty applications
Technical Specifications
The KAA-100 delivers precision fusing in a compact, proven design suitable for retrofit and replacement applications:
- Ampere Rating: 100A
- Voltage Rating: 130VAC
- Fuse Class: 5AG Midget
- Speed Rating: Fast Blow
- Physical Dimensions: 1.0 inch diameter × 2.66 inches length (25.4mm × 67.56mm)
- Weight: 3.28 oz
- Form Factor: Cartridge (Ferrule)
Typical Applications
The Eaton Bussmann KAA-100 serves critical protection functions in:
- Semiconductor rectifier circuits and power control modules
- Industrial variable frequency drives (VFDs) and motor control centers (MCCs)
- DC power supplies and transformer-rectifier units
- Panel-mount and equipment-integrated power protection
- OEM equipment requiring reliable high-amperage fusing
Compatibility & Replacements
Compatible With
- Industrial control panels using 130VAC distribution
- Legacy TRON-series equipment and circuits
- Semiconductor protection systems designed for cartridge-style fuses
- Power rectification and DC conversion circuits
Replaces / Drop-In Replacement For
- Original KAA-100 units in existing systems
- Alternative TRON rectifier fuses rated 100A / 130VAC with matching form factor
- Note: Verify form factor and terminal configuration with system integrator before ordering
Works With
- 130VAC distribution systems and panel-mount assemblies
- Cartridge-based fuse holders and mounting blocks
- Modern replacement: Eaton Bussmann FWA series (successor to KAA line)
