Exhibit 12.2

CERTIFICATION

I, Timo Ihamuotila, certify that:

1. I have reviewed this Annual Report on Form 20-F of ABB Ltd;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state

a material fact necessary to make the statements made, in light of the circumstances under which such

statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report,

fairly present in all material respects the financial condition, results of operations and cash flows of the

Company as of, and for, the periods presented in this report;

4. The Company’s other certifying officer and I are responsible for establishing and maintaining disclosure

controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control

over financial reporting (as defined in Exchange Act Rules 13a -15(f) and 15d-15(f)) for the Company and

have:

a. Designed such disclosure controls and procedures, or caused such disclosure controls and

procedures to be designed under our supervision, to ensure that material information relating to the

Company, including its consolidated subsidiaries, is made known to us by others within those

entities, particularly during the period in which this report is being prepared;

b. Designed such internal control over financial reporting, or caused such internal control over

financial reporting to be designed under our supervision, to provide reasonable assurance regarding

the reliability of financial reporting and the preparation of financial statements for external

purposes in accordance with generally accepted accounting principles;

c. Evaluated the effectiveness of the Company’s disclosure controls and procedures and presented in

this report our conclusions about the effectiveness of the disclosure controls and procedures, as of

the end of the period covered by this report based on such evaluation; and

d. Disclosed in this report any change in the Company’s internal control over financial reporting that

occurred during the period covered by the annual report that has materially affected, or is

reasonably likely to materially affect, the Company’s internal control over financial reporting; and

5. The Company’s other certifying officer and I have disclosed, based on our most recent evaluation of

internal control over financial reporting, to the Company ’s auditors and the audit commit tee of the

Company’s board of directors (or persons performing the equivalent functions):

a. All significant deficiencies and material weaknesses in the design or operation of internal control

over financial reporting which are reasonably likely to adversely affect the Company’s ability to

record, process, summarize and report financial information; and

b. Any fraud, whether or not material, that involves management or other employees who have a

significant role in the Company’s internal control over financial reporting.

Dated: February 25, 2021

By:

/s/ T

IMO

I

HAMUOTILA

Timo Ihamuotila

Chief Financial Officer

(principal financial officer)