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CTX Series Automatic Transfer Switch

CTX Series Automatic Transfer Switch

Cat® CTX Series switches are built for residential and light commercial applications requiring the dependability and ease of operation found in a power contactor switch.

Voltage sensing and system control is performed via a state-of-the-art microcontroller located on the cabinet door.

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Rating Range40-400A

Transfer TypeOpen transition

Switch TypeContactor Based


Pushbuttons for test, exercise set, timer bypass and program cancel

Special status annunciation of in-phase transfer and times operation

Diagnostic LED indications in logical one-line configuration

Selectable 7, 14, 21 or 28 day (factory set 28 days) generator exerciser timer

Indicating LEDs for power availability, switch position and load energized


A3/A4 Auxiliary contacts (1 each) closed in utility and generator positions

Special timer settings



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