Allen-Bradley 150-F480NBR SMC-Flex Smart Motor Controller 480A

Product Overview

When a large motor needs controlled starting to reduce mechanical stress and save energy, the Allen-Bradley 150-F480NBR SMC-Flex smart motor controller delivers. This solid-state controller handles motors up to 400 Hp at 460V AC, providing 480 A of current capacity. As part of the SMC-Flex series, it combines soft starting with advanced motor protection and communication features in an open enclosure (IP00).

Technical Specifications

The 150-F480NBR operates on an input line voltage of 200-460V AC, 3-phase, 50 and 60 Hz. Its rated voltage matches the input range at 200-460V AC. For control power, it accepts 24V AC/DC (for 5-480 A units). The controller rating is 480 A and 400 Hp at 460V AC. These parameters ensure reliable performance for demanding industrial applications.

Industry Applications

Maintenance engineers in manufacturing plants, pumping stations, and conveyor systems rely on the 150-F480NBR to start large motors smoothly. By using soft start or current limit modes, it reduces inrush current and mechanical shocks. This extends motor life and lowers downtime. In HVAC systems, the dual ramp feature allows customized acceleration for different load conditions.

Installation & Setup Guidance

Mount the 150-F480NBR inside a fan-vented IP54 (Type 2) electrical cabinet to protect it from dust, liquids, and conductive debris. Ambient temperature should stay between -5 to 50 degrees Celsius (23 to 122 degrees Fahrenheit). The controller dimensions are 290 x 600 x 276.5 mm (11.42 x 23.62 x 10.89 inches). Connect the armature to 200-460V AC 3-phase input and control power to 24V AC/DC terminals. Use the integrated HMI with LCD display and numeric keypad for programming. Optional 20-HMI LCD modules can also be used.

Maintenance & Reliability

From a maintenance engineer's perspective, the 150-F480NBR simplifies service with its built-in metering and electronic motor overload protection. The SCR bypass contactor reduces heat generation during full-speed operation. Four programmable auxiliary contacts allow remote status monitoring. Regularly inspect the enclosure for cleanliness and verify ambient conditions remain within spec. The shipping weight is 45.8 kg (101 lbs).

Compatibility & Integration

The 150-F480NBR integrates easily with plant control systems via its DPI communication feature. It works with Allen-Bradley PLCs and drives for coordinated motor control. The electronic overload protection eliminates the need for separate thermal relays. For complete technical specifications, contact BluePLC Industrial.