Allen-Bradley 150-S251NBD

Allen-Bradley 150-S251NBD SMC-50 Smart Motor Controller

Overview

The Allen-Bradley 150-S251NBD is a heavy-duty smart motor controller designed for large-scale industrial applications. Part of the advanced SMC-50 series, this unit features a 251A current rating and supports motors up to 200HP at 460V AC. Its open-type construction and integrated bypass contactor ensure optimal energy efficiency and reduced panel heat. The controller supports a 200–480V input and a universal 100–240V AC control voltage.

Technical Specifications

• Brand: Allen-Bradley

• Series: Bulletin 150 SMC-50

• Part Number: 150-S251NBD

• Rated Current: 251 A

• Motor Power Rating: 200 HP @ 460V AC

• Input Voltage: 200–480V AC, 3-phase

• Control Voltage: 100–240V AC

• Frequency: 50/60 Hz

• Enclosure Type: Open

• Bypass: Integrated

• Mounting Type: Panel Mount

• Condition: New

Key Features

• 251A high-capacity smart controller

• Integrated bypass contactor for efficiency

• Optimized for large motor applications

• Smooth motor starting and stopping

• Built-in motor protection: overload, stall, phase loss

• Designed for durability in industrial environments

• UL, CSA, and CE certified

Applications

• High-capacity water pumps and compressors

• Industrial processing lines

• Conveyor systems

• Fans, blowers, and mixers

• Large OEM and automation systems

Shipping & Availability

The 150-S251NBD is available and ready for immediate international shipping.

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

Visit our Allen-Bradley Industrial Automation Products master category for the complete range of controllers, drives, motors, HMIs, and accessories.

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