The Allen-Bradley 150-F780NBED, also cataloged as the 150-F780NBED Smart Motor Controller, provides solid-state three-phase motor starting and control for applications rated up to 780 A and 600 hp.

Model Identification

The 150-F780NBED is specified as a Bulletin 150 solid-state controller with an open enclosure. The supplied configuration uses a 100-120 VAC control circuit and a three-phase 200-480 VAC input line.

• Catalog number: 150-F780NBED
• Controller family: Bulletin 150
• Controller type: Smart Motor Controller
• Technology: Solid-state
• Enclosure type: Open
• Application designation: Standard
• Phase: 3
• Current rating: 780 A
• Power rating: 600 hp

Electrical Specifications

Solid-State Switching Characteristics

The controller is identified as a solid-state motor controller with a rated current of 780 A. The stated 600 hp rating defines the supplied motor power classification.

The incoming supply is specified as 200-480 VAC, three-phase, at 50/60 Hz. The control circuit is specified separately at 100-120 VAC.

No detailed semiconductor topology, starting ramp, bypass arrangement, overload curve, or switching timing data is provided in the supplied specifications. These values should therefore be taken from the applicable technical manual rather than inferred from the catalog number.

Industrial Control Interface

The 150-F780NBED separates the motor power circuit from its 100-120 VAC control circuit. Control conductors should be routed independently from the high-current three-phase conductors to reduce electrical coupling.

The 780 A rating requires appropriate upstream protection, conductor sizing, terminal hardware, and motor-side connections. These installation parameters depend on the complete motor circuit and applicable electrical code.

Ordering Information

• 1 x Allen-Bradley 150-F780NBED Smart Motor Controller
• 1 x Bulletin 150 solid-state controller assembly
• 1 x Open-enclosure configuration
• Additional bypass equipment, overload devices, contactors, enclosure hardware, or control accessories are not specified in the supplied product data.

Field Installation Guidelines

Power Circuit

• Verify the incoming supply is three-phase and within the specified 200-480 VAC range.
• Confirm the connected motor load is compatible with the 780 A and 600 hp ratings.
• Size conductors, protective devices, and disconnect equipment according to the complete installation requirements.
• Verify all power terminals are correctly identified before energizing the controller.

Control Circuit

• Supply the control circuit with the specified 100-120 VAC control voltage.
• Keep control wiring physically separated from high-current motor conductors where practical.
• Verify control terminal identification before applying voltage.
• Do not apply the three-phase line voltage to the control circuit.

Enclosure and Thermal Conditions

• Install the open controller inside a suitable electrical enclosure.
• Provide sufficient enclosure ventilation for the installed equipment.
• Maintain appropriate spacing between high-current conductors and low-voltage control wiring.
• Verify that the installation environment meets the applicable manufacturer specifications.

Frequently Asked Questions

• What is the current rating of the 150-F780NBED?

  The supplied specification lists a rated current of 780 A. The connected motor and protection system must be selected to match the controller rating.

• What motor power rating is specified?

  The product information identifies a 600 hp rating. Actual motor compatibility also depends on voltage, full-load current, frequency, and installation conditions.

• What input voltage does the controller use?

  The technical specification lists 200-480 VAC, three-phase input at 50/60 Hz. The product description also states 200-460 VAC.

• What control voltage is required?

  The specified control voltage is 100-120 VAC. The control supply must be kept separate from the three-phase motor power circuit.

• Is the 150-F780NBED a solid-state controller?

  Yes. The supplied product information identifies the device as a Bulletin 150 solid-state Smart Motor Controller.

• How many phases are supported?

  The supplied data specifies a three-phase input configuration. The stated line-frequency range is 50/60 Hz.

• Is the controller supplied in an enclosed housing?

  No. The supplied specification identifies an open enclosure configuration. A suitable protective electrical enclosure is required for field installation.

• Is operating temperature specified in the supplied data?

  No operating-temperature value is provided. The environmental temperature limits should therefore be verified against the applicable manufacturer documentation.