Allen-Bradley 150-F251NBDB

Allen-Bradley 150-F251NBDB Series B SMC-Flex Smart Motor Controller

Overview

The Allen-Bradley 150-F251NBDB (Series B) is a powerful SMC-Flex smart motor controller rated for 251 amps and designed for large motor applications up to 200 HP at 460V AC. With an input line voltage range of 200–480V AC and a wide control voltage of 100–240V AC, this open-type unit includes integrated pump control functionality, making it ideal for fluid handling and irrigation systems. The compact, panel-mount design simplifies installation and maintenance in demanding industrial environments.

Technical Specifications

• Brand: Allen-Bradley

• Series: Bulletin 150 SMC-Flex

• Part Number: 150-F251NBDB

• Series: B

• Rated Current: 251 A

• Motor Power Rating: 100–200 HP @ 460V AC

• Input Voltage: 200–480V AC, 3-phase

• Control Voltage: 100–240V AC

• Frequency: 50/60 Hz

• Enclosure Type: Open

• Control Option: Integrated Pump Control

• Mounting Type: Panel Mount

• Condition: New

Key Features

• High-amperage SMC-Flex smart motor controller

• Rated for large motors up to 200 HP at 460V

• Integrated pump control algorithm for optimized performance

• 100–240V AC control input for global compatibility

• Full-range protection: overload, stall, phase loss

• Open enclosure for flexible panel integration

• UL, CSA, and CE certified

• Series B model for enhanced design and compatibility

Applications

• Water and wastewater pump systems

• Industrial irrigation and fluid handling

• HVAC and large fan systems

• High-power conveyor and compressor systems

• OEM machinery with advanced motor control needs

Shipping & Availability

The 150-F251NBDB Series B is available and ready for fast international shipping.

Return to our SMC-3 – Smart Motor Controllers main category to explore all models and specifications in this family.

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NEW product in original sealed packaging. The product may be of older version or design. The packaging may have markings, signs of discoloration, and wear. DDPARTSSOLUTION Warranty: 1 Year. Manufacturer's Warranty and Support NEVER apply