ATC-800 CONTROLLER

ATC-800 CONTROLLER

The ATC-900 is a programmable microprocessorbased monitoring device for use on Catï¿½ transfer switches
It is a compact and self-contained panel-mounted device that is designed to replace traditional relay and solid-state logic panels

Rating Range	120 to 600V, single phase and three phase @ 50/60 Hz
Switch Type	Switch application dependent
Transfer Type	Switch application dependent

Enclosure Compatibility	NEMA 12 (std mounting) NEMA 3R UV Resistant Faceplate
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)

System Voltage Application

120 to 600 Vac (50/60 Hz) (single or three phase)

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