Specifications

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16.5
Tr a n s f er Switches
ATC Controllers
Technical Data and Specifications
ATC-600 Controller Specifications
Note

Optional features.
Description Specification
Input control power range 65 Vac rms to 160 Vac rms (50/60 Hz)
Voltage measurements of Source 1 V
AB
Source 1 V
BC
Source 1 V
CA
Source 2 V
AB
Source 2 V
BC
Source 2 V
CA
Load V
AB
Load V
BC
Load V
CA
Voltage measurement range 0 to 790 Vac rms (50/60 Hz)
Voltage measurement accuracy ±2% of nominal input voltage
Frequency measurement for Source 1 and Source 2
Frequency measurement range 40 Hz to 80 Hz
Frequency measurement accuracy ±0.1 Hz
Undervoltage sensing Source 1 and Source 2
Undervoltage dropout range 50–90% of nominal voltage
Overvoltage dropout range

105–120% of nominal voltage
Underfrequency dropout range

90–100% of nominal frequency
Overfrequency dropout range

100–120% of nominal frequency
Contact Outputs
Two Form A contacts for generator start 5A 250 Vac; 5A 30 Vdc
Four Form A contacts for control functions 10A 250 Vac; 10A 30 Vdc
Three Form C contacts for control functions 10A 250 Vac; 10A 30 Vdc
Communications output over PowerNet (optional) PONI (Product-Operated Network Interface)
Front Panel Indications
Automatic mode Blinking LED indicates automatic operation
Test mode LED illuminated indicating the unit is in the TEST mode
Program mode LED illuminated indicating the unit is in the program mode blinking LED indicates user is viewing set points in program mode
LED lights to indicate Source 1 available (amber), Source 2 available (amber),
Source 1 connected (green), Source 2 connected (red),
Source 1 preferred (red), Source 2 preferred (red), load energized (red)
LED display to indicate History information
Set points
Real-time clock
Operating temperature range Operation: –20°C to +70°C/Storage: –30°C to +85°C