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Allen-Bradley 150-F251NBD SMC-Flex soft starter, 251A, 200–480V, open type, no bypass, Frame 5.

Allen-Bradley 150-F251NBD

SKU: 150-F251NBD
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$6,980.00
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Allen-Bradley 150-F251NBD

Product Overview

The Allen-Bradley 150-F251NBD is a smart soft starter from the SMC-Flex family, engineered for smooth motor starting and stopping in high-power applications. Rated for 251A and designed for 3-phase, 200–480V AC operation, this open-type unit provides advanced motor protection features without an internal bypass contactor—allowing for custom external bypass configurations.

Key Highlights

  • Voltage: 200–480V AC, 3-phase

  • Current Rating: 251 Amps

  • Frame Size: Frame 5

  • Enclosure: Open type (panel mount)

  • No internal bypass (supports external bypass configuration)

  • Start Modes: Soft Start, Current Limit, Dual Ramp, Kick Start

  • Built-in protection: Overload, stall, underload, phase loss

  • Status and fault diagnostics via LCD and LED indicators

Detailed Specifications

  • Part Number: 150-F251NBD

  • Control Voltage: Typically 100–240V AC (verify specific use case)

  • Frequency: 50/60 Hz

  • Max Motor HP: Approx. 150 HP @ 460V

  • Mounting: Panel mount, vertical orientation

  • Dimensions (H x W x D): Approx. 475 mm x 260 mm x 220 mm

  • Operating Temp: 0°C to 50°C

  • Certifications: UL, cUL, CE, RoHS

  • Communication Options: Add-on modules available (optional)

Common Uses

  • Pumps, fans, and compressors

  • Conveyors and material handling systems

  • Industrial HVAC and chillers

  • OEM motor control panels

  • Process equipment requiring controlled motor acceleration

Why It Stands Out

  • Provides smooth, adjustable motor starting and stopping

  • Modular design allows flexible bypass options

  • Advanced protection and diagnostics built in

  • Ideal for high-current, heavy-duty motors

  • Backed by the reliability of Allen-Bradley SMC-Flex technology

Get Yours Today

The Allen-Bradley 150-F251NBD soft starter is available and ready for shipping. 

New & Genuine Products – Factory Sealed At PLCpartssolution, all our products are 100% new, genuine, and come in original factory-sealed packaging. We guarantee authentic components that meet the highest industry standards for performance and reliability.
1-Year Warranty Included All new products sold by PLCpartssolution come with a 1-year warranty. We stand behind the quality and reliability of our parts, ensuring coverage against manufacturing defects under normal operating conditions.
Disclaimer: PLCpartssolution is an independent supplier of surplus and refurbished industrial automation products. We are not an authorized distributor, reseller, or representative of the brands listed on this website. All trademarks, brand names, and logos are the property of their respective owners. PLCpartssolution is not affiliated with, endorsed by, or approved by ABB, Fanuc, B&R, Rockwell Automation, Schneider Electric, Siemens, or any other manufacturers mentioned.

Description

Allen-Bradley 150-F251NBD

Product Overview

The Allen-Bradley 150-F251NBD is a smart soft starter from the SMC-Flex family, engineered for smooth motor starting and stopping in high-power applications. Rated for 251A and designed for 3-phase, 200–480V AC operation, this open-type unit provides advanced motor protection features without an internal bypass contactor—allowing for custom external bypass configurations.

Key Highlights

  • Voltage: 200–480V AC, 3-phase

  • Current Rating: 251 Amps

  • Frame Size: Frame 5

  • Enclosure: Open type (panel mount)

  • No internal bypass (supports external bypass configuration)

  • Start Modes: Soft Start, Current Limit, Dual Ramp, Kick Start

  • Built-in protection: Overload, stall, underload, phase loss

  • Status and fault diagnostics via LCD and LED indicators

Detailed Specifications

  • Part Number: 150-F251NBD

  • Control Voltage: Typically 100–240V AC (verify specific use case)

  • Frequency: 50/60 Hz

  • Max Motor HP: Approx. 150 HP @ 460V

  • Mounting: Panel mount, vertical orientation

  • Dimensions (H x W x D): Approx. 475 mm x 260 mm x 220 mm

  • Operating Temp: 0°C to 50°C

  • Certifications: UL, cUL, CE, RoHS

  • Communication Options: Add-on modules available (optional)

Common Uses

  • Pumps, fans, and compressors

  • Conveyors and material handling systems

  • Industrial HVAC and chillers

  • OEM motor control panels

  • Process equipment requiring controlled motor acceleration

Why It Stands Out

  • Provides smooth, adjustable motor starting and stopping

  • Modular design allows flexible bypass options

  • Advanced protection and diagnostics built in

  • Ideal for high-current, heavy-duty motors

  • Backed by the reliability of Allen-Bradley SMC-Flex technology

Get Yours Today

The Allen-Bradley 150-F251NBD soft starter is available and ready for shipping. 

Condition

New & Genuine Products – Factory Sealed At PLCpartssolution, all our products are 100% new, genuine, and come in original factory-sealed packaging. We guarantee authentic components that meet the highest industry standards for performance and reliability.

Warranty

1-Year Warranty Included All new products sold by PLCpartssolution come with a 1-year warranty. We stand behind the quality and reliability of our parts, ensuring coverage against manufacturing defects under normal operating conditions.

Disclaimer

Disclaimer: PLCpartssolution is an independent supplier of surplus and refurbished industrial automation products. We are not an authorized distributor, reseller, or representative of the brands listed on this website. All trademarks, brand names, and logos are the property of their respective owners. PLCpartssolution is not affiliated with, endorsed by, or approved by ABB, Fanuc, B&R, Rockwell Automation, Schneider Electric, Siemens, or any other manufacturers mentioned.
Allen-Bradley 150-F251NBD

Allen-Bradley 150-F251NBD

$6,980.00
Add to wishlist
Allen-Bradley 150-F251NBD

Allen-Bradley 150-F251NBD

Your Price:
$6,980.00
Item Added to Your Cart
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