ATC-800 CONTROLLER
More Comfort – More Performance – More Versatility
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The ATC-900 is a programmable microprocessorbased monitoring device for use on Cat� transfer switches
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It is a compact and self-contained panel-mounted device that is designed to replace traditional relay and solid-state logic panels
Technical Summary
| Rating Range | 120 to 600V, single phase and three phase @ 50/60 Hz |
| Switch Type | Switch application dependent |
| Transfer Type | Switch application dependent |
ATC Controller Specifications
| Enclosure Compatibility |
|
| Frequency Measurement Accuracy | +/- 0.1 Hz |
| Frequency Measurement Range | 40 Hz to 80 Hz |
| Frequency Measurements Of | Source 1 and Source 2 |
| Input Control Voltage | 120Vac (50/60 Hz) (operating range 65 to 160 Vac) |
| Operating Humidity | Up to 90% Relative Humidity (non-condensing) |
| Operating Temperature Range | -20 to 70 degree C (-4 to +158 degree F) |
| Overfrequency Dropout Range | 103 to 110% of Nominal System Frequency |
| Overfrequency Pickup Range | 101% to (Dropout +1 Hz) of nominal system frequency |
| Underfrequency Dropout Range | 90 to 97% of Nominal System Frequency |
| Underfrequency Pickup Range | (Dropout +1 Hz) to 99% of Nominal System Frequency |
| Undervoltage Dropout |
Breaker Style 50 to 97% of Nominal System Voltage Contactor Style - 78 to 97% |
| Undervoltage Pickup | (Dropout +2%) to 99% of Nominal System Voltage |
| Voltage Measurement Accuracy | +/-1% of full scale |
| Voltage Measurement Range | 0 to 700 Vac |
| Voltage Measurements of Utility |
Source 1, Source 2 and Load (VAB, VBC, VCA for Three Phase System) |
Ratings
| System Voltage Application | 120 to 600 Vac (50/60 Hz) (single or three phase) |
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Technical Summary
| Rating Range | 120 to 600V, single phase and three phase @ 50/60 Hz |
| Switch Type | Switch application dependent |
| Transfer Type | Switch application dependent |
ATC Controller Specifications
| Enclosure Compatibility |
|
| Frequency Measurement Accuracy | +/- 0.1 Hz |
| Frequency Measurement Range | 40 Hz to 80 Hz |
| Frequency Measurements Of | Source 1 and Source 2 |
| Input Control Voltage | 120Vac (50/60 Hz) (operating range 65 to 160 Vac) |
| Operating Humidity | Up to 90% Relative Humidity (non-condensing) |
| Operating Temperature Range | -20 to 70 degree C (-4 to +158 degree F) |
| Overfrequency Dropout Range | 103 to 110% of Nominal System Frequency |
| Overfrequency Pickup Range | 101% to (Dropout +1 Hz) of nominal system frequency |
| Underfrequency Dropout Range | 90 to 97% of Nominal System Frequency |
| Underfrequency Pickup Range | (Dropout +1 Hz) to 99% of Nominal System Frequency |
| Undervoltage Dropout |
Breaker Style 50 to 97% of Nominal System Voltage Contactor Style - 78 to 97% |
| Undervoltage Pickup | (Dropout +2%) to 99% of Nominal System Voltage |
| Voltage Measurement Accuracy | +/-1% of full scale |
| Voltage Measurement Range | 0 to 700 Vac |
| Voltage Measurements of Utility |
Source 1, Source 2 and Load (VAB, VBC, VCA for Three Phase System) |
Ratings
| System Voltage Application | 120 to 600 Vac (50/60 Hz) (single or three phase) |