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Allen Bradley SMC-50 150-S251NBR

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150-S251NBR

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The 150-S251NBR is a smart motor controller from the Allen Bradley SMC-50 series, designed for efficient control of three-phase motors. With an operational current range of 84 to 251 amps, it supports rated voltages from 200 to 480 volts AC.

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Rockwell Disclaimer: The product is used surplus. DO Supply is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because DO Supply is not an authorized distributor of this product, the Original Manufacturer's warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, DO Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. DO Supply also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. DO Supply also makes no representations as to your right to install any such firmware on the product. DO Supply will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

Technical specifications for 150-S251NBR

ManufacturerAllen Bradley
Product TypeSmart Motor Controller
Product LineSMC-50
Part Number150-S251NBR
Weight225.00 lbs (102.06 kg)
Control Voltage24 VDC
Rated Current84 to 251 A
Rated Voltage200 to 480V AC
Number of Poles3 poles
Phase Type3 Phase
Minimum Frequency50 Hz
Maximum Frequency60 Hz
IP RatingIP00
Enclosure TypeOpen Type
Operational Modes17 Start/Stop modes
Minimum Operating Temperature-20°C
Maximum Operating Temperature50°C
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The Allen Bradley 150-S251NBR smart motor controller is engineered for managing three-phase motor applications. This device operates with a control voltage of 24 VDC and accommodates operational currents ranging from 84 to 251 amps. At the same time, it is compatible with rated voltages between 200 and 480 Volts AC. The controller features three poles, making it ideal for handling substantial electrical loads.

It efficiently operates within a frequency scope of 50 to 60 Hertz, providing flexibility for different motor setups. An open type enclosure with an IP00 rating allows for straightforward integration, though it is recommended for use in environments where it won't be exposed to dust or moisture. Furthermore, users can benefit from 17 selectable start and stop modes, providing versatility in motor starting and stopping conditions to suit varying operational requirements.

Built for durability, the 150-S251NBR can endure temperatures as low as -20°C and as high as 50°C, ensuring reliable performance in diverse environments. This smart motor controller serves as a critical component for efficient motor management in various industrial applications.