Filed Pursuant to Rule 433

Registration Statement No. 333-281174

Issuer Free Writing Prospectus dated March 4, 2026

Relating to Preliminary Prospectus Supplement dated March 4, 2026

EATON CORPORATION

Pricing Term Sheet

$1,500,000,000 3.850% Notes due 2028

$1,500,000,000 3.950% Notes due 2029

$1,500,000,000 4.200% Notes due 2031

$1,000,000,000 4.500% Notes due 2033

$2,000,000,000 4.800% Notes due 2036

$1,000,000,000 5.450% Notes due 2056

This pricing term sheet is qualified in its entirety by reference to the Preliminary Prospectus Supplement, dated March 4, 2026, relating to the offering of the $1,500,000,000 3.850% Notes due 2028 (the “2028 Notes”), $1,500,000,000 3.950% Notes due 2029 (the “2029 Notes”), $1,500,000,000 4.200% Notes due 2031 (the “2031 Notes”), $1,000,000,000 4.500% Notes due 2033 (the “2033 Notes”), $2,000,000,000 4.800% Notes due 2036 (the “2036 Notes”) and $1,000,000,000 5.450% Notes due 2056 (the “2056 Notes” and, collectively with the 2028 Notes, the 2029 Notes, the 2031 Notes, the 2033 Notes and the 2036 Notes, the “Notes”), by Eaton Corporation (the “Preliminary Prospectus Supplement”). The information in this pricing term sheet supplements the Preliminary Prospectus Supplement and updates and supersedes the information in the Preliminary Prospectus Supplement to the extent it is inconsistent with the information in the Preliminary Prospectus Supplement. Terms used and not defined herein have the meanings assigned in the Preliminary Prospectus Supplement.

* Note: A securities rating is not a recommendation to buy, sell or hold securities and may be subject to revision or withdrawal at any time.

The Issuer has filed a registration statement, including a prospectus and the Preliminary Prospectus Supplement, with the Commission for the offering to which this communication relates. Before you invest, you should read the prospectus and the Preliminary Prospectus Supplement in that registration statement and other documents the Issuer has filed with the Commission for more complete information about the Issuer and this offering. You may obtain these documents for free by visiting EDGAR on the Commission’s website at www.sec.gov. Alternatively, the Issuer, any underwriter or any dealer participating in the offering will arrange to send you the prospectus and the Preliminary Prospectus Supplement (or, if available, the prospectus supplement) if you request it by contacting Barclays Capital Inc. by telephone at 1-888-603-5847; BofA Securities, Inc. by telephone at 1-800-294-1322; Citigroup Global Markets Inc. by telephone at 1-800-831-9146; J.P. Morgan Securities LLC by telephone collect at 1-212-834-4533.

** It is expected that delivery of the Notes will be made against payment therefor on or about the closing date specified herein, which will be the second business day following the date of pricing of the Notes (this settlement cycle being referred to as “T+2”). Under Rule 15c6-1 of the Exchange Act, trades in the secondary market generally are required to settle in one business day, unless the parties to any such trade expressly agree otherwise. Accordingly, purchasers who wish to trade Notes prior to the business day preceding the Settlement Date, by virtue of the fact that the Notes initially will settle in T+2 to specify an alternate settlement cycle at the time of any such trade to prevent a failed settlement. Purchasers of Notes who wish to trade Notes prior to the business day preceding the Settlement Date should consult their own advisors.

ANY DISCLAIMERS OR OTHER NOTICES THAT MAY APPEAR BELOW ARE NOT APPLICABLE TO THIS COMMUNICATION AND SHOULD BE DISREGARDED. SUCH DISCLAIMERS OR OTHER NOTICES WERE AUTOMATICALLY GENERATED AS A RESULT OF THIS COMMUNICATION BEING SENT VIA BLOOMBERG OR ANOTHER EMAIL SYSTEM.

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