150-F43NBD | Allen-Bradley SMC Flex 43A Soft Starter

Allen-Bradley 150-F43NBD SMC Flex Smart Motor Controller

Key Technical Specifications

• Brand: Allen-Bradley
• Model Number: 150-F43NBD
• Category: SMC Flex smart motor controller / solid-state soft starter
• Input line voltage: 200–460V AC, three-phase, 50/60 Hz
• Rated output current: 43 A continuous
• Motor power (line connected): 30 HP at 460V AC
• Motor power (delta connection): 50 HP at 460V AC
• Control voltage: 100–240V AC
• Enclosure type: Open chassis (IP20 rating - not waterproof)
• Weight: 12.50 lbs (5.67 kg)
• Communication: DPI port for Ethernet/IP, Profibus, RS485, ControlNet, and HIM modules
• Auxiliary contacts: 4 fully programmable contacts
• Included hardware: Load terminal lugs, built‑in LCD/keypad, integral SCR bypass contactor

Intelligent Motor Protection & Control Modes

• Starting/stopping modes: Soft start, current limit, dual ramp, full voltage, soft stop, linear speed acceleration, and preset slow speed.
• Integrated electronic overload: Class 10/20/30 adjustable overload protection with true RMS sensing.
• Monitoring & diagnostics: Real‑time detection of phase reversal, voltage unbalance, under/overvoltage, jam, underload, line fault, stall, excessive starts/hour, open gate, and power loss.
• Energy saver mode: Automatically reduces motor voltage when load is light to improve efficiency.
• Control interface: Built‑in backlit LCD with keypad for local programming; remote start/stop via control terminals (Start, Stop, Option 1/2).
• Pump control & braking: Pump control reduces surges; smart motor braking shortens stopping time; Accu‑stop combines braking with preset slow speed for precise positioning.

Frequently Asked Questions

• Q: What types of motors does the Allen-Bradley 150-F43NBD support? A: It supports standard three‑phase squirrel cage induction motors, both line‑connected and delta‑connected, up to 30 HP (line) or 50 HP (delta) at 460 V.
• Q: Can I use this 150-F43NBD with a 230 V supply? A: Yes, the input accepts 200–460 V AC, so it works on 230 V systems; the output current remains 43 A, with proportional HP ratings.
• Q: Does the 150-F43NBD include built‑in bypass contactors? A: Yes, it integrates SCR bypass/run contactors to eliminate heat dissipation when the motor runs at full speed.
• Q: How do I connect this unit to a PLC or SCADA? A: You can wire digital inputs (Start/Stop) directly to PLC outputs, or install an optional communication module (Ethernet, Profibus) in the DPI port for network control.
• Q: Is the unit shipped with the communication module? A: No, the 150-F43NBD comes without a network module – you can order the desired adapter separately (EtherNet/IP, DeviceNet, etc.).
• Q: What is the IP rating of this open‑type controller? A: It has an IP20 rating, meaning it is not waterproof and requires installation inside a suitable electrical panel.

Contact information – inquiries: sales@nex-auto.com | +86 153 9242 9628
Partner: NexAuto Technology Limited