Product Overview: The Allen-Bradley 150-F25NBDD is a key component of the SMC™ FLEX series of Smart Motor Controllers, designed for advanced and efficient starting and stopping of three-phase AC induction motors. This microprocessor-based soft starter utilizes Silicon Controlled Rectifiers (SCRs) to precisely control voltage and torque during motor acceleration and deceleration, minimizing mechanical stress on the system and reducing inrush currents. Featuring an integrated bypass, the unit automatically switches to full voltage once the motor reaches nominal speed, reducing heat dissipation and improving overall efficiency. The 150-F25NBDD is equipped with flexible communication options, comprehensive diagnostics, and robust motor protection, making it a highly reliable and versatile solution for a wide range of industrial applications, contributing to enhanced motor lifespan and reduced operational costs.

 
Technical Specifications:

 
Part Number: 150-F25NBDD
 
Alternative Part Number: 150F25NBDD
 
Product Series: SMC™ FLEX (Bulletin 150)
 
Type: Smart Motor Controller / Soft Starter
 
Rated Operating Voltage (Ue): 200-480V AC, 3-phase
 
Rated Operational Current (Ie): 25 A (at 40°C Tu)
 
Control Voltage: 100-240V AC, 50/60 Hz
 
Motor Type: 3-phase AC Induction Motors
 
Enclosure Type: Open (requires external enclosure for IP protection in certain environments)
 
Protection Class: IP20 (power circuit)
 
Starting Modes: Current Limit Start, Dual Ramp, Full Voltage, Linear Speed Acceleration, Preset Slow Speed, Soft Start, Soft Stop
 
Optional Control Modes: Pump Control, Smart Motor Braking, Slow Speed with Braking
 
Overload Protection: Electronic, programmable trip classes (OFF, 10, 15, 20, 30)
 
Bypass: Integrated SCR bypass/run contactor
 
Communication: DPI port (for HIM, communication modules)
 
Auxiliary Contacts: Four programmable auxiliary contacts
 
Operating Temperature: -5 to 50 °C (23 to 122 °F) (Open Enclosure)
 
Storage Temperature: -20 to 75 °C (-4 to 176 °F)
 
Humidity: 5-95% non-condensing
 
Weight: Approximately 5.7 kg (12.6 lbs)
 
Dimensions (H x W x D): 321 mm (12.6 in) x 150 mm (5.9 in) x 203 mm (8 in)