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Caterpillar

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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Photos

ATS MX Contactor
ATS MX Contactor

Documents

Features

MX Control Panel

Details

Specifications

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

Standard Equipment

The unit is available in open type, NEMA 1 or NEMA 3R enclosures. The MX-60 control panel adds a user interface and functionality, including:

  • 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

Additional options include:

  • A3/A4 Auxiliary contacts (1 each) closed in utility and generator positions
  • Special timer settings

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