Eaton CorporationSPX400A0-4A1B1SPX drive 400HP Open chassis 380-500v Internal brake chopper
Locally based here in North Carolina, PEI has been servicing industrial electronics for over 30 years. Quality workmanship and commitment to our customers have made us a trusted partner in the industry. Free repair quote evaluation is standard, and rush service is available for critical repairs. We can help get your Eaton Corporation SPX drive 400HP Open chassis 380-500v Internal brake chopper up and running at 30-60% of the cost of new, with a service guarantee on all parts and labor. Please give us a call or reach out via the contact form below. We look forward to serving you!
| Manufacturer: | Eaton Corporation |
| Part Number: | SPX400A0-4A1B1 |
| Part Name: | SPX drive 400HP Open chassis 380-500v Internal brake chopper |
Eaton Corporation’s SPX drive, model SPX400A0-4A1B1, is a 400 HP open-chassis variable-frequency drive rated for 380–500 V systems. It controls AC motor speed by varying the power supplied to the motor, supporting adjustable-speed operation in industrial machinery and process equipment. The internal brake chopper enables dynamic braking with a compatible braking resistor, helping manage energy returned to the drive during motor deceleration. Its open-chassis construction is intended for installation within a suitable electrical enclosure.
Precision Electronics, Inc. (PEI) provides repair services for Eaton Corporation’s SPX drive, model SPX400A0-4A1B1, supporting industrial teams that rely on this drive for motor-speed control. PEI’s industrial electronics repair expertise is relevant to the drive’s power-control role and integrated braking circuitry. Technicians can assess the unit and address repair needs based on its condition, helping maintenance and engineering teams return it to service within their equipment systems.
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