Product Overview
The Allen-Bradley 150-F85NBDB is a smart digital motor controller from the SMC-Flex Low-Voltage Soft Starter series. This solid-state soft starter delivers reliable, digitally controlled starting for three-phase induction motors. With a compact open design, a 5-button front-panel keypad, and a 3-line by 16-character LCD display, the 150-F85NBDB offers intuitive programming, diagnostics, and control.
Rated for 460 Volts AC (3-phase), 85 Amps, and 60 Horsepower, this controller is built for demanding industrial applications. It includes built-in DPI communication capability and four fully programmable auxiliary contacts (N.O./N.C.), making it a versatile choice for modern automation systems.
Key Features and Benefits
-
Solid-State Soft Starting: Reduces mechanical stress and electrical surges during motor startup.
-
Flexible Programming: 5-button keypad and LCD display allow easy parameter adjustment and troubleshooting.
-
Comprehensive Protection: Built-in overload, underload, stall, and jam detection safeguards your motor and equipment.
-
Multiple Operating Modes: Supports Linear Speed Acceleration, Soft Start, Full Voltage Start, Current Limit, Selectable Kickstart, Dual Ramp Start, Soft Stop, and Preset Slow Speed.
-
Optional Pump Control: Ideal for centrifugal pump applications to reduce water hammer and pressure surges.
-
DPI Communication: Built-in serial interface supports connection to Allen-Bradley Bulletin 20 HMI and communication modules.
Technical Specifications
| Specification |
Value |
| Manufacturer |
Allen-Bradley |
| Product Line |
SMC-Flex |
| Part Number |
150-F85NBDB |
| Power Rating |
60 Horsepower |
| Line Input Voltage |
460 Volt AC (3-phase) |
| Current Rating |
85 Amps |
| Control Voltage |
200 to 230 Volts AC |
| Display |
3 Line by 16 Character LCD |
| Keypad |
5-Button Front Panel |
| Auxiliary Contacts |
4 Fully Programmable (N.O., N.C.) |
| Communication |
Built-in DPI |
| Weight |
12.00 lbs (5.44 kg) |
| Rated Operational Voltage |
200...480V AC (-15%, +10%) per UL/CSA/NEMA |
| Operating Frequency |
50/60 Hz |
| Line Connected Motor Current |
17...85A @ 500/575V AC, 3-phase |
| Delta Connected Motor Current |
29.4...147A @ 500/575V AC, 3-phase |
| Maximum Line Connected Motor Power |
75 Hp @ 575V AC, 60 Hz |
| Maximum Delta Connected Motor Power |
90 kW @ 500V AC @ 50Hz |
| Dielectric Withstand |
2500V per IEC |
| Rated Impulse Voltage |
6000V per IEC |
| Short-Circuit Protection Device (SCPD) Type |
Type 1 |
| Available Fault Current, Standard |
10kA @ 200...600V |
| Available Fault Current, High Capacity |
70kA @ 600V |
| Integrated Motor Overload Protection |
Yes |
| Trip Classes |
10, 15, 20, 30 |
| Trip Current Rating |
117% of motor FLC |
| PTC Input |
Up to 6 sensors |
| Control Circuit Input ON-state Voltage (min) |
85V AC @ 19.2V DC/20.4V AC |
| Control Circuit Input OFF-state Voltage (max) |
50V AC @ 10V DC/12V AC |
| Rated Operational Current (Aux Contacts) |
3A @ 120V AC, 1.5A @ 240V AC |
| Cable Size (Line, Upper) |
2.5...95 mm² (14...3 AWG) |
| Cable Size (Load, Upper) |
2.5...50 mm² (14...1 AWG) |
Industry Applications
The 150-F85NBDB is engineered for a wide range of industrial motor control applications. Its robust design and flexible programming make it suitable for:
-
Pump Systems: The optional pump control mode reduces pressure surges and water hammer in centrifugal pumps, extending equipment life.
-
Conveyors: Soft start and stop capabilities minimize mechanical shock and product damage on conveyor lines.
-
Compressors: Current limit and kickstart features help manage high starting torques and protect the motor and drivetrain.
-
HVAC Equipment: Reliable starting for fans and blowers, reducing belt wear and electrical stress.
Installation & Setup Guidance
Proper installation ensures reliable operation of the 150-F85NBDB. Follow these guidelines:
-
Mounting: Install the controller in a clean, dry, and well-ventilated enclosure. Maintain adequate clearance for heat dissipation.
-
Wiring: Use the recommended cable sizes for line and load connections. For power terminals, the upper line side accepts 2.5...95 mm² (14...3 AWG) and the upper load side accepts 2.5...50 mm² (14...1 AWG).
-
Control Wiring: Connect the control voltage (200 to 230V AC) as specified. Ensure the control circuit input voltage meets the ON-state minimum (85V AC) and does not exceed the OFF-state maximum (50V AC) when de-energized.
-
Auxiliary Contacts: Wire the four programmable auxiliary contacts (19/20, 29/30, 31/32, 33/34) according to your application logic. These contacts can be configured for normal, up-to-speed, fault, alarm, network, or external bypass operation.
-
Communication: Use the built-in DPI port to connect to Allen-Bradley Bulletin 20 HMI modules or communication modules for remote monitoring and control.
Maintenance & Reliability
To maximize the lifespan of the 150-F85NBDB and minimize downtime, follow a routine maintenance schedule:
-
Periodic Inspection: Check all power and control connections for tightness every 6 months. Loose connections can cause overheating or intermittent faults.
-
Cleanliness: Keep the controller free of dust and debris. Use dry compressed air to clean the heatsink and internal components.
-
Environmental Considerations: Operate within the rated voltage and current limits. Avoid exposing the unit to excessive moisture, corrosive gases, or extreme temperatures.
-
Firmware/Parameters: Periodically verify that programmed parameters match the motor and application requirements. Backup settings to avoid loss during maintenance.
Compatibility & Integration
The 150-F85NBDB integrates seamlessly into existing automation architectures. Its built-in DPI communication capability (including a serial interface) supports connection to Allen-Bradley Bulletin 20 HMI modules and communication modules. This allows for remote monitoring, parameter adjustment, and diagnostic access. The controller also features a tachometer input (0...5V DC @ 4.5V DC = 100% Speed) for speed feedback in applications requiring closed-loop control.
Buying Guide
Before purchasing the 150-F85NBDB, verify your motor and system requirements:
-
Voltage and Current: Ensure the line voltage matches the controller's rated operational voltage (200...480V AC) and that the motor full-load current is within the controller's rated range (17...85A for line-connected, 29.4...147A for delta-connected).
-
Horsepower: The controller is rated for 60 HP at 460V AC. Confirm your motor's horsepower does not exceed this rating.
-
Control Voltage: The control circuit requires 200 to 230V AC. Ensure your control power supply matches this range.
-
Optional Features: Consider whether you need optional features like pump control or SMB smart motor braking. These may require additional configuration.
-
Accessories: If you need additional communication modules or HMI panels, check compatibility with the DPI port.
PLC Source PRO is a reliable supplier of genuine Allen-Bradley industrial automation parts. Contact our team for assistance in selecting the right soft starter for your application.