
Eaton CorporationSPX550A2-4A4B1SPX drive 550HP NEMA Type 12 380-500v 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 550HP NEMA Type 12 380-500v 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: | SPX550A2-4A4B1 |
| Part Name: | SPX drive 550HP NEMA Type 12 380-500v Internal brake chopper |
Eaton Corporation’s SPX drive SPX550A2-4A4B1 is a variable-frequency drive for controlling industrial AC motor speed. Rated for 550 HP and 380–500 V, it is housed in a NEMA Type 12 enclosure for industrial installation. The integrated brake chopper supports dynamic braking when used with a compatible braking resistor, helping manage motor deceleration. This drive is suited to industrial machinery and processes that require adjustable motor speed and controlled stopping.
PEI provides professional repair services for Eaton Corporation SPX drives, including the SPX550A2-4A4B1. These high-power motor-control units require industrial repair expertise across their drive and braking functions. PEI evaluates the equipment and performs repair work appropriate to its condition, supporting its role in machinery and process systems that depend on controlled AC motor operation.
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