97×33 mm San Ace B97 9BMC type General Specifications ■■ · Material …………………………………… Frame: Plastic (Flammability: UL 94V-0), Impeller: Plastic (Flammability: UL 94V-0) · Expected life ……………………………… See the table below. (L10 life: 90% survival rate for continuous operation in free air at 60˚C, rated voltage) Expected life at 40°C is for reference only. · Motor protection function ……………… Locked rotor burnout protection, Reverse polarity protection For details, please refer to p. 573. · Dielectric strength ……………………… 50/60 Hz, 500 VAC, for 1 minute (between lead wire conductors and frame) · Insulation resistance …………………… 10 MΩ or more with a 500 VDC megger (between lead wire conductors and frame) · Sound pressure level (SPL) …………… At 1 m away from the air inlet · Storage temperature …………………… -30 to +70˚C (Non-condensing) · Lead wire ………………………………… Specifications ■■ The models listed below have pulse sensors with PWM control function. Rated voltage Operating voltage range Operating temperature Expected life Rated current Rated input Rated speed * PWM input frequency is 25 kHz; models without specifications at 0% PWM duty cycle have zero fan speed at 0%. The following sensor and control options are available for selection. Differs according to the model. Refer to the table on p. 599. Without sensor The mark indicates Short Lead Time Service applicable models. See p. 626 for details. ■ Airflow - Static Pressure Characteristics / PWM Duty - Speed Characteristics Example With pulse sensor with PWM control function Operating voltage range PWMデューティ PWM duty cycle Static静圧 pressure

■ Airflow - Static Pressure Characteristics / PWM Duty - Speed Characteristics Example With pulse sensor with PWM control function Operating voltage range PWM duty cycle PWMデューティ PWM デューティサイクル PWM duty cycle Static静圧 pressure Static静圧 pressure PWM duty - Speed characteristics example 4-ø4.5±0.3 Mounting hole 取付用穴 Rated voltageファン 定格電圧 24 V 24 V fan Lead wire リード線 Rated voltageファン 定格電圧12 V 12 V fan