Allen-Bradley 150-C37NBD

Allen-Bradley 150-C37NBD | 37A SMC-3 Compact Smart Motor Controller for Industrial Soft Starting Applications

Overview

The Allen-Bradley 150-C37NBD is an SMC-3 smart motor controller designed for soft starting and stopping of three-phase motors. With a 37A current rating, support for 200-480V AC line voltage, and a 24V DC control input, it reduces mechanical and electrical stress during motor startup and shutdown, improving system reliability and extending motor life.

Key Features

• Rated Current: 37A continuous

• Line Voltage: 200–480V AC, 3-phase

• Control Voltage: 24V DC

• Starting Modes: Soft Start, Current Limit Start, and Kickstart

• Built-In Protection: Overload, phase loss, and phase imbalance protection

• Compact Design: Space-saving footprint for panel installation

• Diagnostics: Built-in LED status indicators

• Energy Efficient: Reduces mechanical wear and energy consumption

Technical Specifications

• Catalog Number: 150-C37NBD

• Line Frequency: 50/60 Hz

• Rated Operating Voltage: 200–480V AC

• Control Voltage: 24V DC

• Max Motor HP Rating: Up to 20 HP at 460V AC

• Protection Class: Integrated overload protection (Class 10, 15, 20, 30 selectable)

• Mounting: DIN rail or panel mount

• Operating Temperature Range: -5°C to 50°C (23°F to 122°F)

• Certifications: UL, CE, CSA, CCC

Applications

• Pumps and compressors

• Conveyors and material handling systems

• Fans and blowers

• Industrial machinery requiring reduced torque starting

• HVAC equipment

Why Choose the 150-C37NBD?

• Smooth Motor Starting: Reduces mechanical and electrical stress

• Integrated Motor Protection: Built-in overload and phase monitoring

• Compact and Reliable: Space-saving design with industrial-grade performance

• Flexible Start Options: Multiple starting modes for different load requirements

• Energy Savings: Helps reduce peak current demand during motor startup

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