Technical Summary
Rating Range
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120 to 600V, single phase and three phase @ 50/60 Hz
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Switch Type
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Switch application dependent
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Transfer Type
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Switch application dependent
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ATC Controller Specifications
Enclosure Compatibility
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NEMA 12 (std mounting)NEMA 3RUV Resistant Faceplate
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Frequency Measurement Accuracy
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+/- 0.1 Hz
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Frequency Measurement Range
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40 Hz to 80 Hz
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Frequency Measurements Of
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Source 1 and Source 2
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Input Control Voltage
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120Vac (50/60 Hz) (operating range 65 to 160 Vac)
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Operating Humidity
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Up to 90% Relative Humidity (non-condensing)
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Operating Temperature Range
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-20 to 70 degree C (-4 to +158 degree F)
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Overfrequency Dropout Range
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103 to 110% of Nominal System Frequency
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Overfrequency Pickup Range
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101% to (Dropout +1 Hz) of nominal system frequency
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Underfrequency Dropout Range
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90 to 97% of Nominal System Frequency
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Underfrequency Pickup Range
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(Dropout +1 Hz) to 99% of Nominal System Frequency
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Undervoltage Dropout
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Breaker Style 50 to 97% of Nominal System Voltage Contactor Style - 78 to 97%
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Undervoltage Pickup
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(Dropout +2%) to 99% of Nominal System Voltage
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Voltage Measurement Accuracy
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+/-1% of full scale
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Voltage Measurement Range
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0 to 700 Vac
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Voltage Measurements of Utility
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Source 1, Source 2 and Load (VAB, VBC, VCA for Three Phase System)
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Ratings
System Voltage Application
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120 to 600 Vac (50/60 Hz) (single or three phase)
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