The Allen-Bradley 150-F251NBR, part of the SMC Flex series, is an advanced smart motor controller that excels beyond typical soft starters with a range of starting and stopping modes such as Soft Start, Linear Acceleration, Deceleration, and Soft Stop. Suitable for both standard squirrel-cage and Wye-Delta motors, it integrates comprehensive motor overload protection and diagnostic capabilities, addressing issues like power loss, voltage imbalance, and communication faults. Featuring configurable contacts and metering functions for amps, volts, and power metrics, this controller supports a 200-460V AC input on a three-phase system, handling motor ratings of up to 200 Hp at 460V AC, all within a robust open enclosure designed for effective monitoring and control.
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Technical specifications for 150-F251NBR
| Manufacturer | Rockwell Automation |
|---|---|
| Brand | Allen-Bradley |
| Part Number/Catalog No. | 150-F251NBR |
| Manufacturer: | Rockwell Automation |
| Product Line | SMC-Flex |
| Brand: | Allen-Bradley |
| Bulletin Number | Solid State Controller |
| Product Family: | SMC Flex Smart Motor Controller |
| Enclosure Type | open |
| Bulletin Number: | 150-F |
| Controller Rating | 251 A, 200 Hp @ 460V AC |
| Catalog number: | 150-F251NBR |
| Input Line Voltage | 200-460V AC, 3-phase, 50 and 60 Hz |
| Operating Modes: | Soft-start, Linear Acceleration/Deceleration, Current Limit, Dual Ramp Start, Full Voltage, Soft Stop, Preset Slow Speed |
| Control Voltage | 24V AC/DC (5-480 A units) |
| Applicable Motor Type | Standard squirrel-cage induction motor or a Wye- Delta, six-lead motor |
| Rated Voltage | 200-460V AC |
| Line Voltage: | 200…460V AC, 3-Phase, 50 and 60 Hz |
| Control Voltage: | 24VAC / 24VDC |
| Output Current range: | Line-Connected Motors: 84-251 Amperes Delta Connected Motors: 145-435 Amperes |
| Output power range: | Line Connected motors: 75-251 HP; 75 -132 kW Delta connected motors: 132-250 kW; 150-350 Hp |
| Auxiliary Contacts | Four (4) Fully-programmable contacts |
| Human Interface Module | Integrated |
| Communication ports | One (1) DPI for optional HMI; One (1) DPI for expansion module |
| Metering | Amps, volts, kW, kWh, MW, MWH, elapsed time, power factor, motor thermal capacity usage |
| Status Indication | Stopped, starting, stopping, at speed, alarm, and fault. |
| Protection and Diagnostics | Power loss, line fault, voltage unbalance, excessive starts/hour, phase reversal, undervoltage, overvoltage, controller temp, stall, jam, open gate, overload, underload, communication fault. |
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