Allen-Bradley 150-F251NBR Soft Starter Motor Controller
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Vendor:
Allen-Bradley
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Type:
Starter Motor Controller
- Tags Starter motor controller
About the Product
Allen-Bradley 150-F251NBR SMC-Flex Smart Motor Controller
Key Technical Specifications and Features
- The 150-F251NBR controller handles an input line voltage of 200-460V AC, 3-phase, 50/60 Hz.
- It provides a control voltage of 24V AC/DC for flexible integration into control systems.
- This SMC-Flex controller supports multiple operating modes for optimal performance.
- Choose from Soft-start, Linear Ramp, Current Limit, Dual Ramp, Full Voltage, Soft Stop, or Preset Slow Speed.
- For line-connected motors, its output current range is 84-251 Amperes.
- This corresponds to a power rating of 75-251 HP at 60 Hz.
- With delta-connected motors, the output current range increases to 145-435 Amperes.
- The power rating for delta connection is 150-350 HP at 60 Hz.
- The controller rating is a robust 251 Amperes and 200 HP at 460V AC.
- An integrated Human Interface Module allows for easy setup and monitoring.
- The device offers comprehensive motor and system protection features.
- It guards against overloads, jams, stalls, voltage unbalance, and phase reversal.
- Advanced diagnostics monitor for power loss, underload, and communication faults.
- Four fully programmable auxiliary contacts provide flexible control signaling.
Metering, Communication & Installation Details
- The built-in metering function displays key operational parameters in real-time.
- You can monitor amps, volts, kW, kWh, power factor, and motor thermal usage.
- Front panel LED indicators clearly show status: Stopped, Starting, At Speed, or Fault.
- The unit includes one DPI port for an optional external Human Interface Module.
- A second DPI port is available for adding communication expansion modules.
- This smart motor controller features an open-type enclosure for panel mounting.
- The device has a substantial weight of approximately 66 lbs (30 kg).
- We ship the unit securely packaged to prevent any transit damage.
- Our standard packaging includes the controller unit and the integrated HIM module.
- We ship globally using reliable carriers like FedEx, UPS, and DHL.
- Installation requires a qualified electrician following local codes and the manual.
Frequently Asked Questions (FAQ)
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Q: Is the Allen-Bradley 150-F251NBR brand new and original?
A: Yes, we supply only new and original Allen-Bradley products. -
Q: What motors are compatible with this SMC-Flex controller?
A: It works with standard squirrel-cage or six-lead Wye-Delta induction motors. -
Q: What is the operating voltage range for the 150-F251NBR?
A: It operates on 3-phase line power from 200V to 460V AC, 50/60 Hz. -
Q: Do you have this motor controller in stock for immediate shipment?
A: Yes, we have stock available. We typically ship within 5 business days after order confirmation. -
Q: What logistics options are available for delivery?
A: We use common global carriers like DHL, FedEx, and UPS for reliable shipping. -
Q: What is your return policy for this product?
A: We offer a 30-day return policy from the date of delivery for unused items.
For more information on the 150-F251NBR or other SMC-Flex controllers, please contact us.
© 2025 NexAuto Technology Limited. All rights reserved.
Original Source: https://www.nex-auto.com/
Contact: sales@nex-auto.com
Phone: +86 153 9242 9628
Quick Quotes & Info
- Quick Quotes: Receive pricing and availability fast from our dedicated customer service team.
- Delivery: Expedited, freight, and international shipping available worldwide.
- Warranty: NexAuto offers a 12-month warranty on all parts purchased from us, in addition to any manufacturer coverage.
- Returns: 30-day return policy for defective or mismatched parts, ensuring peace of mind.
- Payment: Flexible options including major credit cards, PayPal, and bank transfers.
- Custom Calibration: Provide your specifications, and we’ll handle the rest with precision.

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