150-F251NBR | Allen-Bradley SMC Flex Smart Motor Controller

Description 

The 150-F251NBR is an SMC Flex Smart Motor Controller from Allen-Bradley. This motor controller is a Soft-starter device with line Voltage of 200-460VAC, 3-Phase, 50 and 60 Hz and control Voltage of 24 VAC / VDC. This motor controller may be used with line-connected and Delta-connected motors. It is capable of implementing Soft-start, Linear Acceleration/Deceleration, Current Limit, Dual Ramp Start, Full Voltage, Soft Stop, Preset Slow Speed operating modes. With line connected motors, it has an applicable motor current ratings of 84-251 Amperes, power ratings of 75-251 HP @ 60 Hz and 75 -132 kW @ 50 Hz. It is also applicable for use with delta-connected motors with applicable current ratings of 145-435 Amperes, power ratings of 132-250 kW kW @ 50 Hz and 150-350 Hp @ 60 Hz.

Technical Specifications 

Information About 150-F251NBR

The Allen-Bradley 150-F251NBR is an SMC Flex Smart Motor Controller from Allen-Bradley. This controller is commonly known as Soft-Starter however, the 150-F251NBR features more functions that enable it to function more than a basic soft-starter. It has standard configuration without optional modes installed however, it is capable of a variety of starting and stopping modes such as Soft-start, Linear Acceleration/Deceleration, Current Limit, Dual Ramp Start, Full Voltage, Soft Stop, Preset Slow Speed operating modes. This Smart Motor controller may implement these starting and stopping modes: standard squirrel-cage induction motor or a Wye-Delta, six-lead motor.

Aside from the starting and stopping modes, the 150-F251NBR has integrated motor overload protection, Diagnostic Faults and Alarms specifically Power loss, line fault, voltage unbalance, excessive starts/hour, phase reversal, undervoltage, overvoltage, controller temp, stall, jam, open gate, overload, underload, communication fault.It features Four (4) fully configurable contacts assignable for normal/up-to-speed/fault/alarm/network (N.O./N.C.), or external bypass signals.

The 150-F251NBR is also capable of metering functionality, able to provide metering readout of Amps, volts, kW, kWh, MW, MWH, elapsed time, power factor, motor thermal capacity usage. This controller also has One (1) DPI port for connection of an additional human interface and another DPI port for connection to communication modules.

The 150-F251NBR is capable of indicating Stopped, starting, stopping, at speed, alarm, and fault via the front panel LED indicators.

The Allen-Bradley 150-F251NBR SMC-Flex is a Solid State Controller that features an open enclosure. This module has a controller rating of 251 A, 200 Hp @ 460V AC and a rated voltage of 200-460V AC. It has an input voltage of 200-460V AC, 3-phase, 50 and 60 Hz and a control voltage of 24V AC/DC (5-480 A units).

Manufacturer information

Allen‑Bradley components, integrated control and information solutions are built for demanding industrial applications. We integrate control and information across the enterprise to make you as productive as possible.

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