Product Overview
The Allen-Bradley 150-F201NBRB is an SMC Flex Smart Motor Controller designed for demanding industrial applications. With a controller rating of 201 A and support for 75–150 Hp motors at 460V AC, this soft starter delivers precise motor control and protection. Its 24V AC/DC control voltage and integrated overload protection make it a versatile choice for modern automation systems.
This unit features a built-in display, pump control option, and programmable auxiliary contacts. It is part of the SMC Flex family, known for reliable performance and advanced diagnostics.
Technical Specifications
| Parameter |
Value |
| Controller Rating |
201 A, 75–150 Hp @ 460V AC |
| Control Voltage |
24V AC/DC |
| Rated Operating Voltage (Ue) |
200V |
| Line Connected Motor Current |
67–201 A @ 600/Y/690V AC, 3-phase |
| Delta Connected Motor Current |
116–348 A @ 500/575V AC, 3-phase |
| Line Connected Motor Power (Max) |
75 Hp @ 230V AC, 60 Hz, 3-phase |
| Delta Connected Motor Power (Max) |
350 Hp @ 575V AC, 60 Hz, 3-phase |
| Operating Frequency |
50/60 Hz |
| Integrated Motor Overload Protection |
Yes |
| Weight |
30.4 kg |
Industry Applications
The 150-F201NBRB is ideal for pump control, conveyors, fans, and other variable-torque applications. Its pump control option reduces water hammer and mechanical stress, extending system life. The soft starter's adjustable trip classes (10, 15, 20, 30) allow customization for different load profiles.
In a typical wastewater treatment plant, the 150-F201NBRB ensures smooth pump starts and stops, minimizing surge pressure. For high-inertia loads like centrifuges, the SMC Flex provides controlled acceleration and deceleration, reducing wear on mechanical components.
Installation & Setup
Mount the 150-F201NBRB in a clean, ventilated enclosure with adequate clearance for airflow. Ensure the power terminals (two M10 x 1.5 holes per pole) are torqued to the manufacturer's specification. Connect the control voltage (24V AC/DC) to the appropriate terminals. Configure the auxiliary contacts (19/20, 29/30, 31/32, 33/34) as needed. Use the built-in display to set motor parameters and trip class.
Maintenance & Reliability
Regularly inspect the heatsink for dust accumulation and ensure fans operate properly. Check all power and control connections for tightness. The unit's hockey puck thyristor design offers robust thermal performance. With proper maintenance, the 150-F201NBRB delivers years of reliable service, reducing total cost of ownership.
Compatibility & Integration
The 150-F201NBRB integrates with standard motor control centers and PLCs via its discrete I/O and PTC sensor inputs. It supports up to six PTC sensors for motor thermal protection. The optional SMB smart motor braking feature provides adjustable braking current (0–400% of FLC) without additional contactors.
Selection Guide
Before purchasing, verify your motor's full-load current and supply voltage. For inside-delta connections, ensure the unit's current range (116–348 A) matches your application. The 150-F201NBRB is available at PLC Source PRO, a trusted supplier of industrial automation parts.