ATS MX Contactor

Cat 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.

The MX-60 Control Panel

adds a user interface and functionality

Indicating LEDs for power availability, switch position, and load energized

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

Special status annunciation of in-phase transfer and times operation Selectable 7, 14, 21 or 28 day (factory set 28 days) generator exerciser timer

Diagnostic LED indications in logical one-line configuration

Specifications

Technical Summary

Rating Range	40-400A
Transfer Type	Open transition
Switch Type	Contactor Based

CTX Series Automatic Transfer Switch

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Benefits & Features

Mx control panel

Undervoltage sensing (90% pickup/80% dropout of the utility source

Voltage and frequency sensing of the generator source (90% voltage/95% frequency pickup)
Time Delay Engine Start – 5 seconds (P)
Time Delay Engine Warmup – Transfer to Generator – 20 seconds (W)
Time Delay Utility Stabilization/Retransfer to Utility – 5 minutes (T)
Time Delay Engine Cool Down – 5 minutes (U)

Cat CTX Series Automatic Transfer Switch

Specifications

CTX Series Automatic Transfer Switch

Benefits & Features

Cat CTX Series Automatic Transfer Switch

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Cat CTX Series Automatic Transfer Switch ATS MX Contactor