150-F1250NBAB Allen-Bradley SMC Flex 1250A 1000Hp Pump Control Open

Allen-Bradley 150-F1250NBAB – SMC Flex open smart motor controller (1250A)

Ultra‑high power solid‑state motor control – 1250 A, 1000 Hp @ 460V AC. Bulletin 150 SMC Flex with pump control option. Open style, 200‑480V input, 230‑240V control. Designed for the largest industrial motors.

1. Key performance highlights

• 1250 A rated current – handles 1000 Hp @ 460V, ideal for giant pumps, fans, compressors.
• Integrated pump control – eliminates water hammer, protects pipelines.
• Flexible input voltage – 200…480V AC, 3‑phase, 50/60 Hz – global compatibility.
• Open enclosure – for panel mounting in large MCCs or custom cabinets.
• Bulletin 150 series – trusted Rockwell Automation technology for heavy industry.

2. Technical specifications – Allen-Bradley 150-F1250NBAB

• Brand: Allen-Bradley · Model: 150-F1250NBAB · Series: SMC Flex (Bulletin 150)
• ▸ Power ratings
  • Motor power & current
    • Rated current: 1250 A
    • Motor power @460V: 1000 Hp
    • Input line voltage: 200…480V AC, 3‑phase, 50/60 Hz
    • Control voltage: 230…240V AC (isolated supply required)
• ▸ Controller features
  • Bulletin 150 solid‑state controller
    • Enclosure type: Open (IP00, for panel mounting)
    • Control options: Pump control (standard on this model)
    • Soft start/stop: Adjustable ramp times, kickstart, dual ramp
• ▸ Environmental & mechanical
  • Operating conditions
    • Operating temperature: 0…50 °C (derate above 40 °C)
    • Storage temperature: –40…+85 °C
    • Humidity: 5…95% non‑condensing
    • Altitude: Up to 2000m without derating
  • Mounting
    • Style: Open chassis, panel mount with ventilation clearance
    • Dimensions (approx): 18″ x 14″ x 10″ (HxWxD) – refer to manual
    • Weight: Approximately 25 kg

3. Installation & wiring guide

• Mount on back panel inside large motor control center (MCC) or enclosure.
  • Use copper wires only, 90 °C insulation, torque per manual.
  • Control voltage 230‑240V must be from separate isolated source.
  • Pump control option needs external pressure/level sensor (order separately).
  • Maintain 8″ clearance above and below for proper cooling.
  • Use bus bars or multiple cables per phase for 1250A.

4. Compatibility & integration

• Works with any 3‑phase induction motor up to 1000 Hp @460V.
  • Compatible with PLC via discrete I/O or communication modules (DeviceNet, EtherNet/IP, Profibus).
  • Pump control ideal for water/wastewater, irrigation, oil & gas pipelines.
  • Can be used with bypass contactor for continuous run after start.
  • Built‑in electronic overload (class 10/20/30) – no separate relay.

5. Commissioning & maintenance tips

• LED status indicators: Power, Run, Trip, Pump mode, Comm.
  • Use HIM (human interface module) or Connected Components Workbench for setup.
  • Parameter backup recommended before first start.
  • If overtemp trip occurs, check cooling fans and air flow.
  • Annual thermal imaging check recommended for high‑current connections.

6. Typical applications

• Giant centrifugal pumps – water supply, desalination plants.
  • Large industrial fans – cement, steel, mining ventilation.
  • High‑power compressors – refrigeration, gas transmission.
  • Heavy conveyors – ore handling, bulk material transport.

7. Packaging & logistics

• Included: 150-F1250NBAB controller, printed manual, mounting hardware kit.
  • Warranty: 12 months against defects in materials and workmanship.
  • Shipping partners: FedEx, UPS, DHL – freight shipping (palletized, heavy item).
  • HS code: 853710 (control panels with electrical apparatus).
  • Customs tariff: 85371091

8. Frequently Asked Questions (FAQ) – expert insights

• Q: What makes pump control different from standard soft start?A: Pump control provides tailored deceleration to prevent pressure surges (water hammer). It also includes low‑speed pumping option.
• Q: Can this 1250A controller start a motor smaller than 1000Hp?A: Yes – it works with any motor up to 1250A. For smaller motors, adjust parameters for optimal performance.
• Q: Do I need an external bypass contactor?A: Not required, but recommended for efficiency if motor runs continuously. Built‑in SCRs handle full load.
• Q: What protection features are included?A: Electronic overload, phase loss, phase reversal, SCR misfire detection, and overtemp protection.
• Q: Is this model suitable for 690V motors?A: No – input voltage max is 480V. For 690V, use 150‑F… with higher voltage rating (e.g., 150‑F…NBD).

9. Selection guide – SMC Flex high‑power variants

• 150-F1250NBAB (this model) – 1250A, 1000Hp @460V, pump control, open.
  • 150-F625NBAB – 625A, 500Hp, pump control (smaller frame).
  • 150-F1080NBD – 1080A, 900Hp, general purpose, no pump option.
  • 150-F1800NBD – 1800A, 1500Hp for extreme applications.
  • Need NEMA 1 enclosure? Order 150‑F1250NBAB with enclosure kit.

10. Contact & technical support

• Email: sales@powergearx.com
  • WhatsApp: +86 18030005825 (instant chat)
  • Support: support@powergearx.com
  • Website: www.powergearx.com

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