Saturday - May 16, 2026
Littelfuse Expands Its Shock Block Ground-Fault Circuit Interrupter Series With the SB4000
May 16, 2026
CHICAGO, Illinois, May 16 -- Littelfuse, a circuit protection manufacturer, issued the following news release:

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Littelfuse Expands Its Shock Block(R) Ground-Fault Circuit Interrupter (GFCI) Series with the SB4000

New compact GFCI device offers protection for systems with a maximum full load current up to 30A.

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ROSEMONT, Ill -- Littelfuse, Inc. (NASDAQ: LFUS), a leader in developing smart solutions that enable safe and efficie . . .

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