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ATS ATC Breaker / Contactor
ATC-300+ CONTROLLER
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Rating Range
120 to 600V, single phase and three phase @ 50/60 Hz
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Transfer Type
Switch application dependent
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Switch Type
Switch application dependent
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Input Control Voltage
65 to 145 Vac 50/60 hZ
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Voltage Measurements of Utility
Source 1 VAB Source 2 VAB
Source 1 VAC Source 2 VBC
Source 1 VCA Source 2 VCA
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Voltage Measurement Range
0 to 790 VAC rms (50/60 Hz)
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Voltage Measurement Accuracy
+/-2% of nominal input voltage
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Frequency Measurements Of
Source 1 and Source 2
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Frequency Measurement Range
40 Hz to 70 Hz
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Frequency Measurement Accuracy
+/- 0.1 Hz
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Undervoltage Dropout
50% to 90% of nominal voltage
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Undervoltage Pickup
(Dropout +2%) to 99% of the nominal system voltage
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Underfrequency Dropout Range
90 to 97% of the nominal system frequency
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Underfrequency Pickup Range
(Dropout +1 Hz) to 99% of the nominal system frequency
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Overfrequency Dropout Range
103 to 110% of the nominal system frequency
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Overfrequency Pickup Range
101% to (dropout - 1 Hz) of the nominal system frequency
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Operating Temperature Range
-20 to 70 degree C (-4 to +158 degree F)
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Storage Temperature Range
-30 to 85 degree C (-22 to +185 degree F)
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Operating Humidity
0 to 95% relative humidity (noncondensing)
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Operating Environment
Resistant to ammonia, methane, nitrogen,hydrogen and hydrocarbons
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Generator Start Relay
5A, 1/6 hp @ 250 Vac Vac 5A @ 30 Vdc with a 150W maximum load
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K1, K2 Relays

10A, 1-3 hp @ 250 Vac

10A@30 Vdc
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Applicable Testing
UL-recognized component
Meets intent of UL 991 & UL 1008
Meets IEC 1000-4-2, 1000-4-3, 1000-4-4
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Applicable Testing Continued
1000-4-5, 1000-4-6, 1000-4-11
CISPR 11, Class A
FCC Part 15, Class A
CSS 22.2-178
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Enclosure Compatibility
NEMA 1, NEMA 3R and NEMA 12
UV-resistant ATC-300+ faceplate
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