Included: 3m power cord (without plug)
The FUJI KFC Series (KFC-7VF / KFC-13.1) represents the modern evolution of high-frequency power supplies. Unlike traditional rotary frequency converters (motor-generators) that rely on heavy mechanical conversion, the KFC series utilizes advanced microcomputer-controlled inverter technology.
This solid-state design converts standard commercial power to the target 250Hz frequency electronically. The result is a unit that is significantly lighter, quieter, and more energy-efficient, making it the ideal choice for mobile grinding applications and workshops requiring portability.
Ensure your setup does not exceed the inverter's capacity. Refer to the chart below for the maximum number of usable grinders per unit.
Extension cords are essential for working at distances away from the power supply. Available in 10m and 20m lengths with options for 1, 2, or 4 sockets. (Output cables sold separately).
It is important to choose the right power supply for your specific application style:
1. KFC Series (Inverter Type): Feedforward Control
The KFC series uses output predictive control. It is designed for efficiency and portability. However, during extremely heavy cutting or grinding where the tool is frequently stalled, the inverter's safety overload protection may trigger to protect the circuit, stopping the unit.
Recommendation: Best for standard grinding, mobile work, and energy saving.
2. FG Series (Rotary Type): Feedback Control
The FG Generator series uses feedback control. It responds to heavy loads by physically adjusting, allowing it to "power through" load spikes better than an inverter.
Recommendation: Best for continuous heavy-duty grinding where maximum torque and load resistance are required.
Tip: If performing heavy grinding with the KFC Inverter, we recommend a 1-to-1 setup (one inverter per grinder) to ensure stability.
A: Yes, but with limitations. The KFC series is excellent for general work, but for continuous heavy-load grinding where the wheel is often pressed hard to a stop, the FG Rotary Generator is recommended due to its higher load tolerance.
A: Portability and Silence. The KFC inverter is significantly lighter (electronic vs mechanical) and runs much quieter, making it perfect for job sites where equipment needs to be moved frequently.
Fuji products are manufactured following strict Japanese standard process requirements. Every wheel is engineered to meet or exceed JIS (Japanese Industrial Standards), such as JIS R 6242 and B 4051. Our core engineering logic prioritizes maximum operator protection by maintaining safety factors and burst speed capabilities that often surpass the highest industry benchmarks.
| Standard Region | Safety Factor (Burst Multiplier) | Safety Logic & Benchmark |
|---|---|---|
| FUJI (High Precision) | > 2.0x | Engineered to exceed JIS requirements for maximum reliability. |
| Japan (JIS R 6242) | 2.0x | Extreme Safety: A wheel rated at 80m/s must withstand a 160m/s burst test. |
| Europe (EN 12413) | $1.73x | Risk Balanced: Provides high safety redundancy for most industrial apps. |
| USA (ANSI B7.1) | 1.5x | Efficiency Focused: Relies on machine guarding and operational procedures. |
Abrasive Selection Guide
Selection of grains (A, WA, AZ, etc.) based on material hardness and grinding precision.
Warning Symbol Interpretation
Standardized safety icons for safe operation and protection guard usage.
When deploying Fuji high-performance tools in overseas markets, ensure that the regional power grid frequency and voltage match the tool specifications. To maintain the superior burst speed safety of Fuji wheels, store abrasives in a dry, temperate environment. Humidity can degrade the resin bond, potentially lowering the wheel’s resistance to centrifugal forces.
This product strictly complies with the Electrical Appliance and Material Safety Technology Standards (Noise Countermeasures), revised under the Ministry of Economy, Trade and Industry (METI) Ordinance No. 57.
*Official Enforcement Date: April 1, 2013. This ensures maximum electromagnetic compatibility (EMC) and operational stability in industrial environments.
Professional Note: For global industrial procurement, these Japanese METI standards ensure that Fuji tools meet high-level noise reduction requirements, critical for precision workshops across Europe and North America.
