150-F251NBR Allen-Bradley Smart Soft Starter 200-460V

150-F251NBR Allen-Bradley SMC Flex Smart Motor Controller

Key Technical Specifications

• Brand: Allen-Bradley
• Model / Part No.: 150-F251NBR
• Product Line: SMC-Flex (Bulletin Number Solid State Controller)
• Enclosure Type: Open (for panel mounting)
• Input Line Voltage: 200-460V AC, 3-phase, 50/60 Hz
• Control Voltage: 24V AC/DC (for 5-480 A units)
• Controller Rating: 251 A, 200 Hp @ 460V AC
• Rated Voltage: 200-460V AC
• Output Current Range (Line): 84-251 Amperes
• Output Current Range (Delta): 145-435 Amperes
• Power Range (Line): 75-251 HP (60 Hz) / 75-132 kW (50 Hz)
• Power Range (Delta): 150-350 HP (60 Hz) / 132-250 kW (50 Hz)

Operating Modes & Functionality

• Supports seven standard modes: Soft-start, Linear Acceleration/Deceleration, Current Limit, Dual Ramp Start, Full Voltage, Soft Stop, and Preset Slow Speed.
• Includes integrated electronic motor overload protection with selectable trip classes.
• Provides comprehensive metering: Amps, volts, kW, kWh, MW, MWH, elapsed time, power factor, and motor thermal capacity usage.
• Features four (4) fully programmable auxiliary contacts (N.O./N.C.) for flexible signaling.
• Offers two DPI communication ports: one for optional HMI connection and one for expansion modules.
• Front panel LED indicators display status: stopped, starting, stopping, at speed, alarm, and fault.

Frequently Asked Questions (FAQ)

• Is the 150-F251NBR brand new and original?
  Yes, we supply only new original Allen-Bradley units.
• What is the maximum motor power for this controller at 460V?
  It rates 200 Hp at 460V AC line-connected, and up to 350 Hp in delta configuration.
• Can I use this controller for both line and delta connected motors?
  Yes, the 150-F251NBR supports both standard squirrel-cage and six-lead wye-delta motors.
• What control voltage does the 150-F251NBR require?
  It needs 24V AC/DC for the control circuit (typical for 5-480 A units).
• Does it have built-in metering capabilities?
  Yes, it measures amps, volts, kW, kWh, power factor, motor thermal capacity, and more.
• How many auxiliary contacts does it include?
  It comes with four fully programmable auxiliary contacts (N.O./N.C.).
• What communication options are available?
  It has two DPI ports: one for HMI and one for communication expansion modules.
• Do you have stock available?
  Yes, we maintain stock for the 150-F251NBR.
• How fast can you ship?
  We dispatch within 5 days via FedEx, UPS, or DHL.
• Can I return it if I order the wrong part?
  Yes, we accept returns within 30 days for unused items.

Contact Information Inquiries: sales@nex-auto.com , +86 153 9242 9628 (WhatsApp)
Partner NexAuto Technology Limited : https://www.nex-auto.com/