<PAGE>   1
                                                                    EXHIBIT 24.1


                                POWER OF ATTORNEY


         KNOW ALL MEN BY THESE PRESENTS, that the undersigned, a director of
BELDEN INC. (the "Company"), does constitute and appoint C. BAKER CUNNINGHAM,
with full power and substitution, his true and lawful attorney and agent, to do
any and all acts and things and to execute any and all instruments which such
attorney and agent may deem necessary or advisable to enable the company to
comply with the Securities Exchange Act of 1934, as amended, and any rules,
regulations and requirements of the Securities and Exchange Commission in
respect thereof, in connection with the execution and filing of the Annual
Report (Form 10-K) of Belden Inc. for the fiscal year ended December 31, 1998
(the "Annual Report"), including specifically the power and authority to sign
for and on behalf of the undersigned the name of the undersigned as director of
the Company to the Annual Report or to any amendments thereto filed with the
Securities and Exchange Commission and to any instrument or document filed as
part of, as an exhibit to, or in connection with such Annual Report or
amendments; and the undersigned does hereby ratify and confirm as his own act
and deed all that such attorney and agent shall do or cause to be done by virtue
hereof.

         IN WITNESS WHEREOF, the undersigned has subscribed these presents, this
15th day of March, 1999.


                                                            /s/JOSEPH R. COPPOLA
                                                            --------------------
                                                            Joseph R. Coppola


<PAGE>   2


                                POWER OF ATTORNEY


         KNOW ALL MEN BY THESE PRESENTS, that the undersigned, a director of
BELDEN INC. (the "Company"), does constitute and appoint C. BAKER CUNNINGHAM,
with full power and substitution, his true and lawful attorney and agent, to do
any and all acts and things and to execute any and all instruments which such
attorney and agent may deem necessary or advisable to enable the company to
comply with the Securities Exchange Act of 1934, as amended, and any rules,
regulations and requirements of the Securities and Exchange Commission in
respect thereof, in connection with the execution and filing of the Annual
Report (Form 10-K) of Belden Inc. for the fiscal year ended December 31, 1998
(the "Annual Report"), including specifically the power and authority to sign
for and on behalf of the undersigned the name of the undersigned as director of
the Company to the Annual Report or to any amendments thereto filed with the
Securities and Exchange Commission and to any instrument or document filed as
part of, as an exhibit to, or in connection with such Annual Report or
amendments; and the undersigned does hereby ratify and confirm as his own act
and deed all that such attorney and agent shall do or cause to be done by virtue
hereof.

         IN WITNESS WHEREOF, the undersigned has subscribed these presents, this
15th day of March, 1999.


                                                          /s/ JOHN R. DALLEPEZZE
                                                          ----------------------
                                                          John R. DallePezze





<PAGE>   3


                                POWER OF ATTORNEY


         KNOW ALL MEN BY THESE PRESENTS, that the undersigned, a director of
BELDEN INC. (the "Company"), does constitute and appoint C. BAKER CUNNINGHAM,
with full power and substitution, his true and lawful attorney and agent, to do
any and all acts and things and to execute any and all instruments which such
attorney and agent may deem necessary or advisable to enable the company to
comply with the Securities Exchange Act of 1934, as amended, and any rules,
regulations and requirements of the Securities and Exchange Commission in
respect thereof, in connection with the execution and filing of the Annual
Report (Form 10-K) of Belden Inc. for the fiscal year ended December 31, 1998
(the "Annual Report"), including specifically the power and authority to sign
for and on behalf of the undersigned the name of the undersigned as director of
the Company to the Annual Report or to any amendments thereto filed with the
Securities and Exchange Commission and to any instrument or document filed as
part of, as an exhibit to, or in connection with such Annual Report or
amendments; and the undersigned does hereby ratify and confirm as his own act
and deed all that such attorney and agent shall do or cause to be done by virtue
hereof.

         IN WITNESS WHEREOF, the undersigned has subscribed these presents, this
20th day of March, 1999.


                                                          /s/ BERNARD G. RETHORE
                                                          ----------------------
                                                          Bernard G. Rethore





<PAGE>   4


                                POWER OF ATTORNEY


         KNOW ALL MEN BY THESE PRESENTS, that the undersigned, a director of
BELDEN INC. (the "Company"), does constitute and appoint C. BAKER CUNNINGHAM,
with full power and substitution, his true and lawful attorney and agent, to do
any and all acts and things and to execute any and all instruments which such
attorney and agent may deem necessary or advisable to enable the company to
comply with the Securities Exchange Act of 1934, as amended, and any rules,
regulations and requirements of the Securities and Exchange Commission in
respect thereof, in connection with the execution and filing of the Annual
Report (Form 10-K) of Belden Inc. for the fiscal year ended December 31, 1998
(the "Annual Report"), including specifically the power and authority to sign
for and on behalf of the undersigned the name of the undersigned as director of
the Company to the Annual Report or to any amendments thereto filed with the
Securities and Exchange Commission and to any instrument or document filed as
part of, as an exhibit to, or in connection with such Annual Report or
amendments; and the undersigned does hereby ratify and confirm as his own act
and deed all that such attorney and agent shall do or cause to be done by virtue
hereof.

         IN WITNESS WHEREOF, the undersigned has subscribed these presents, this
16th day of March, 1999.


                                                               /s/ LORNE D. BAIN
                                                               -----------------
                                                               Lorne D. Bain




<PAGE>   5


                                POWER OF ATTORNEY


         KNOW ALL MEN BY THESE PRESENTS, that the undersigned, a director of
BELDEN INC. (the "Company"), does constitute and appoint C. BAKER CUNNINGHAM,
with full power and substitution, his true and lawful attorney and agent, to do
any and all acts and things and to execute any and all instruments which such
attorney and agent may deem necessary or advisable to enable the company to
comply with the Securities Exchange Act of 1934, as amended, and any rules,
regulations and requirements of the Securities and Exchange Commission in
respect thereof, in connection with the execution and filing of the Annual
Report (Form 10-K) of Belden Inc. for the fiscal year ended December 31, 1998
(the "Annual Report"), including specifically the power and authority to sign
for and on behalf of the undersigned the name of the undersigned as director of
the Company to the Annual Report or to any amendments thereto filed with the
Securities and Exchange Commission and to any instrument or document filed as
part of, as an exhibit to, or in connection with such Annual Report or
amendments; and the undersigned does hereby ratify and confirm as his own act
and deed all that such attorney and agent shall do or cause to be done by virtue
hereof.

         IN WITNESS WHEREOF, the undersigned has subscribed these presents, this
15th day of March, 1999.


                                                              /s/ ALAN E. REIDEL
                                                              ------------------
                                                              Alan E. Reidel