Overview
The Kyosan 60PFF30U is a high-performance semiconductor protection clearup fuse engineered for thyristor, diode, and transistor circuits in industrial motion control systems. Rated 30A at 600VAC with a 10kA nominal breaking capacity, this fast-acting fuse delivers rapid response to overcurrent conditions while minimizing thermal stress on sensitive semiconductor modules. Used to protect SSR and SCR semiconductors in inverter servo amplifiers, UPS, power conditioners, and more. Supplied as a box of 20 units for production inventory, maintenance stocking, and emergency backup.
Key Features
- 30A current rating at 600VAC for mid-range semiconductor and drive protection
- Fast-acting response optimized for thyristor, diode, and transistor module circuits
- 10kA nominal breaking capacity for high fault current protection
- Small I²t characteristic minimizes heat generation and circuit stress
- 10mm × 38mm cartridge size fits standard clearup fuse blocks and clips
- Box of 20 fuses for ample inventory and maintenance stock
Technical Specifications
- Current Rating: 30A
- Voltage Rating: 600VAC
- Fuse Type: Cartridge (Clearup style)
- Cartridge Dimensions: 10mm × 38mm
- Breaking Capacity: 10kA nominal
- Response Type: Fast-acting
- Application Class: Semiconductor protection
- Operating Temperature: −20°C to +80°C (ambient)
- Quantity Per Box: 20 fuses
- Manufacturer: Kyosan Electric Mfg. Co., Ltd.
Typical Applications
- Semiconductor and motor protection on AC/DC spindle and servo drives used on machine tools
- Thyristor and SCR inverter circuits in servo amplifiers and variable frequency drives
- CNC spindle motor and servo axis circuit protection
- Diode and transistor module protection in power conversion systems
- Communication equipment and X-Ray device power systems
- Uninterruptible Power Supply (UPS) and power conditioner semiconductor protection
Compatibility & Replacements
Compatible With
- Fanuc, Yaskawa, Mitsubishi, and Toshiba machine tool drive systems
- Industrial inverter servo amplifiers and AC/DC motor drives
- Thyristor and SCR-based power control circuits
- Standard 10mm × 38mm clearup fuse blocks and spring clip retention
- 600VAC industrial control panel installations
- Uninterruptible Power Supply (UPS) systems and power conditioners
Replaces / Drop-In Replacement For
- Kyosan legacy semiconductor protection fuses, 30A 600V cartridge style
- Equivalent Hinode clearup fuses rated 30A, 600VAC (Hinode-manufactured Kyosan replacement products)
- Legacy machine tool fuses where 30A 600VAC fast-acting cartridge protection is required
Works With
- Standard 10mm × 38mm cartridge fuse holders and spring clip assemblies
- IEC 60269-4 compliant circuit protection architectures
- North American industrial control panel standards and installations
- 600VAC power distribution systems and motor control centers
