Eaton CorporationSPX400A1-4A1B1SPX drive 400HP NEMA Type 1 380-500v 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 NEMA Type 1 380-500v 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: | SPX400A1-4A1B1 |
| Part Name: | SPX drive 400HP NEMA Type 1 380-500v Internal brake chopper |
Eaton Corporation’s SPX drive, model SPX400A1-4A1B1, is a variable frequency drive for controlling industrial AC motor speed and operation. Rated at 400 HP and specified for 380–500 V, it is housed in a NEMA Type 1 enclosure for indoor installation. The internal brake chopper supports dynamic braking by controlling energy directed to an external braking resistor, helping manage motor deceleration. This drive is suited to industrial systems that require adjustable motor speed and controlled stopping.
PEI provides industrial repair services for Eaton Corporation SPX drives, including the SPX400A1-4A1B1. Repair expertise with high-power motor drives supports assessment and service of the drive’s electronic control and power sections, including equipment configured with an internal brake chopper. PEI focuses on the specific unit and its role in motor operation, helping maintenance teams address drive-related service needs with informed technical attention.
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