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Cat® CTGSE series automatic transfer switches (ATS)integrates the utility circuit breaker, optional transient voltage surge suppression and power monitoring into one package. The CTGDSE series provides delayed transition operation of the ATS. The MX150 controller displays the status of the transfer switch's position, timers and available sources. A communications network interface is available as an option.

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Technical Summary
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Switch Type Contactor Based Contactor Based
Transfer Type Open Transition with Service Entrance Open Transition with Service Entrance
Rating Range 40-3000A 40-3000A

Performance Features

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CTGSE & CTGDSE Series Service Rated Entrance Rated ATS Standard Equipment

Electrical Ratings
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  • UL 891,UL 1008,SA 22.2,IEC 947-6-1
  • ESD immunity test per EN61000-4-2 (Level 4)
  • Electrical fast transient/burst immunity test per EN61000-4-4
  • NFPA70,99,101 & 110
  • Ringing wave immunity per IEEE 472 (ANSI C37.90A)
  • Ratings 40 to 3000 amperes
  • Voltage Dips and interruption immunity EN61000-4-11

CTGSE & CTGDSE Series Service Rated Entrance Rated ATS Optional Equipment

Optional Attachments
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  • Additional options include integrated battery charger, shunt trip selector, power monitor and integrated TVSS
  • Optional integrated load center for multiple loadside connections available up to 240 volts