150-F251NZD SMC Flex Motor Controller Allen-Bradley

Allen-Bradley 150-F251NZD SMC Flex Smart Motor Controller

Key Technical Specifications

• Brand: Allen-Bradley
• Model Number: 150-F251NZD
• Category: SMC Flex smart motor controller / solid-state soft starter
• Input line voltage: 230–690V AC, three-phase, 50/60 Hz
• Rated output current: 251 A continuous
• Motor power: 200 HP at 460V AC
• Control voltage: 100–240V AC (for 5–480 A units)
• Enclosure type: Open chassis (IP20, for panel mounting)
• Weight: 32.00 lbs (14.51 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

Frequently Asked Questions

• Q: What types of motors does the Allen-Bradley 150-F251NZD support? A: It supports standard three‑phase squirrel cage induction motors, both line‑connected and delta‑connected, up to 200 HP at 460 V.
• Q: Can I use this 150-F251NZD with a 690 V supply? A: Yes, the input accepts 230–690V AC, so it works on 400V, 480V, and 690V systems; the output current remains 251 A.
• Q: Does the 150-F251NZD 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-F251NZD comes without a network module – you can order the desired adapter separately (EtherNet/IP, DeviceNet, etc.).
• Q: What are the ambient temperature limits during operation? A: The safe operating range is 23 °F to 122 °F (–5 °C to 50 °C); store it between –4 °F and 167 °F (–20 °C to 75 °C).

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