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CTX Series Automatic Transfer Switch
MX Control Panel
- CTX switches are equipped with the MX-60 control panel as standard.
- 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)
This microprocessor control includes:
All time delays are fixed.
| Technical Summary | |
|---|---|
| Rating Range | 40-400A |
| Transfer Type | Open transition |
| Switch Type | 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