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Allen-Bradley 150-S251NBD

by Allen-Bradley

OverviewThe Allen-Bradley 150-S251NBD SMC-50 Smart Motor Controller is engineered for demanding industrial motor control applications. As a cornerstone of the advanced SMC-50 series, this robust unit delivers superior performance and protection for large-scale operations. Designed to manage motors up to 200 HP at 460V AC, it features a substantial 251A current rating, ensuring reliable operation under heavy loads. Its open-type construction, combined with an integrated bypass contactor, not only maximizes energy efficiency but also effectively minimizes panel heat, extending the lifespan of your equipment. With versatile input voltage compatibility (200–480V AC) and a universal control voltage range (100–240V AC), the 150-S251NBD offers exceptional adaptability across diverse industrial environments. This controller stands as an ideal solution for optimizing motor starting, stopping, and protection, thereby significantly enhancing the operational reliability and efficiency of your critical industrial machinery.Key Features High-Capacity 251A Smart Control: Precisely manages large motors up to 200 HP, ensuring optimal performance and protection. Integrated Bypass Contactor: Enhances energy efficiency by reducing heat generation and power consumption during full-speed operation. Advanced Motor Protection: Comprehensive built-in features including overload, stall detection, and phase loss protection safeguard your valuable assets. Smooth Motor Starting & Stopping: Minimizes mechanical stress and wear on equipment, extending motor lifespan and reducing maintenance costs. Versatile Voltage Compatibility: Supports wide input voltage ranges (200–480V AC) and control voltages (100–240V AC) for global applicability. Durable Industrial Design: Open-type construction built for longevity and reliable operation in challenging industrial environments. Globally Certified: UL, CSA, and CE certifications ensure compliance with international safety and quality standards. 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 Applications High-Capacity Fluid Management: Ideal for controlling large water pumps and compressors in municipal, industrial, and agricultural settings. Industrial Processing Lines: Optimizes the operation of critical machinery in manufacturing and processing plants, ensuring efficient material flow. Robust Conveyor Systems: Provides smooth and reliable motor control for heavy-duty conveyor belts in logistics, mining, and production facilities. Ventilation and Mixing Systems: Perfectly suited for managing large fans, blowers, and mixers, maintaining optimal environmental conditions and product consistency. OEM and Automation Systems: A vital component for original equipment manufacturers and sophisticated automation projects requiring precise motor control. Energy-Intensive Machinery: Enhances efficiency and extends the life of various energy-intensive industrial machines. Why Choose Unmatched Reliability: Allen-Bradley’s reputation for quality ensures that the 150-S251NBD delivers consistent and dependable performance in the most demanding applications. Significant Energy Savings: The integrated bypass contactor actively reduces operational costs by cutting down power consumption and heat generation. Extended Equipment Lifespan: Soft start and stop capabilities, combined with comprehensive motor protection, drastically minimize wear and tear on your valuable motors and machinery. Global Compatibility & Compliance: With a broad voltage range and international certifications, this controller is ready for deployment in diverse locations worldwide. Streamlined Installation: Designed for panel mounting and featuring an open-type enclosure, it facilitates straightforward integration into existing systems. Order NowExperience enhanced motor control and operational efficiency. Contact us today to place your order or request a quote for the Allen-Bradley 150-S251NBD SMC-50 Smart Motor Controller.FAQWhat is the primary function of the Allen-Bradley 150-S251NBD?This unit is specifically designed to provide advanced soft starting, stopping, and comprehensive protection for large industrial motors, improving equipment longevity and operational reliability.What motor sizes can this controller manage?The 150-S251NBD is capable of efficiently controlling motors up to 200 HP when operating at 460V AC, with a maximum current rating of 251A.How does the integrated bypass contactor benefit my operations?The integrated bypass contactor significantly boosts energy efficiency by minimizing heat generation and reducing power draw once the motor reaches full operational speed, leading to lower operating costs.Is this device suitable for international applications?Yes, featuring broad input voltage compatibility (200–480V AC), a wide control voltage range (100–240V AC), and global certifications (UL, CSA, CE), the 150-S251NBD is well-suited for diverse global industrial environments.What protective features are included with this motor controller?It comes equipped with extensive motor protection features, including safeguards against overload, detection for stalled conditions, and phase loss protection, all designed to secure your valuable machinery from potential damage.

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