Product Overview
The Allen-Bradley 150-F251FBD is a solid-state controller from the SMC-Flex product line, engineered for reliable three-phase motor control in demanding industrial environments. With a robust IP65 (Type 4/12) enclosure, this unit delivers a controller rating of 251 A and 200 Hp @ 460V AC, operating on 400-460V AC, 3-phase, 50 and 60 Hz input lines.
This controller simplifies motor management by offering straightforward controls for starting, stopping, and adjusting settings, which helps minimize operational costs and enhances system scalability. Its embedded motor overload protection safeguards against excessive currents, ensuring long-term equipment health.
Technical Specifications
| Specification |
Value |
| Manufacturer |
Allen-Bradley |
| Category |
Drives |
| Product Line |
SMC-Flex |
| Part Number |
150-F251FBD |
| Weight |
32.00 lbs (14.51 kg) |
| Enclosure Type |
IP65 (Type 4/12) |
| Controller Rating |
251 A, 200 Hp @ 460V AC |
| Input Line Voltage |
400-460V AC, 3-phase, 50 and 60 Hz |
| Control Voltage |
100-240V AC (5-480 A units) |
| Rated Voltage |
400/415/460V AC |
Key Features & Benefits
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Three operating modes: soft start, full voltage start, and current limit start, providing flexibility for various load conditions.
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Energy saver feature: reduces power consumption when the 150-F251FBD is lightly loaded, improving overall efficiency.
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Optional advanced functions: pump control, slow braking, and accu stop can be configured to suit specific application needs.
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Flexible wiring: the 150-F251FBD can be wired with or without a motor starter using rotary digital switches and DIP switches.
-
Integrated protection: includes stall protection, a thermostat for temperature monitoring, and auxiliary contacts for instantaneous operations.
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Clear status indication: LEDs display running mode, temperature fault, and stopping mode for easy diagnostics.
Industry Applications
This solid-state controller is ideal for controlling resistive loads and is widely used in conveyors, pumps, fans, and compressors across manufacturing, water treatment, and HVAC industries. Its ability to handle 251 A and 200 Hp at 460V AC makes it suitable for medium-to-large motors, while the IP65 enclosure allows installation in washdown or dusty environments.
Installation & Setup Guidance
Mount the 150-F251FBD in a clean, dust-free area to maintain optimal performance. Ensure the ambient temperature does not exceed 50°C, as higher temperatures can damage the device. For initial setup, configure the rotary digital switches and DIP switches according to your motor's requirements. The unit supports both two-wire and three-wire control, enabling versatile integration with existing control systems.
Maintenance & Reliability
Routine inspection of the enclosure seals and terminal connections is recommended to preserve the IP65 rating. The embedded thermostat and stall protection help prevent overheating and mechanical jams, reducing unplanned downtime. With proper care, this controller delivers consistent performance and extends the service life of your motor assets.
Selection Guide & Purchasing Advice
Before purchasing, verify your motor's voltage, current, and horsepower ratings against the 150-F251FBD specifications to ensure compatibility. For additional guidance or to confirm availability, contact PLC Source PRO, a trusted supplier of industrial automation spares.