Instruction Manual
Stack Type Dynamic Braking Unit
BUC-D Series (690V Type)
Thank you for purchasing our dynamic braking unit (BUC-D Series).
• This product is a device to discharge the braking power to a resistor in a braking operation of the Fuji's inverter for
general industry. Read through this instruction manual to become familiar with proper handling and correct use.
• Improper handling might result in incorrect operation, a short life, or even a failure of this product.
• Deliver this manual to the end user of this product. Keep this manual in a safe place until this product is discarded.
• For the installation and selection of peripheral equipment exclusive to the stack type of inverters, refer to the
FRENIC-VG User's Manual (Stack Type Edition).
• For the configuration of the inverter functions and operating procedure, refer to the FRENIC-VG User's Manual (Unit
Type / Function Codes Edition).
• For details about PWM converters and diode rectifiers, refer to the FRENIC-VG User's Manual (Stack Type Edition).
Fuji Electric Co., Ltd.
INR-SI47-1846-E
Summary of Contents for BUC S-69D
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