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Specification Summary
Rating Range 120 to 480V, single phase and three phase @ 50/60 Hz
Rating Range 120 to 480V, single phase and three phase @ 50/60 Hz
Transfer Type Switch application dependent
Transfer Type Switch application dependent

Technical Summary

Rating Range
120 to 480V, single phase and three phase @ 50/60 Hz
Rating Range
120 to 480V, single phase and three phase @ 50/60 Hz
Transfer Type
Switch application dependent
Transfer Type
Switch application dependent
Switch Type
Switch application dependent
Switch Type
Switch application dependent

ATC Controller Specifications

Input Control Voltage
95 to 145 Vac 50/60 Hz
Voltage Measurements of Utility
VAB generator VAB
VBC generator VBC
VCA generator VCA
Voltage Measurement Range
0 to 575 Vac rms (50/60 Hz)
Voltage Measurement Accuracy
± 1% of full scale
Frequency Measurements Of
Generator
Frequency Measurement Range
40 Hz to 70 Hz
Frequency Measurement Accuracy
±0.3 Hz over the measurement range
Undervoltage Dropout
80% of the nominal system voltage
Undervoltage Pickup
90% of the nominal system voltage
Underfrequency Dropout Range
90% of the nominal system frequency
Underfrequency Pickup Range
95% of the nominal system frequency
Overfrequency Dropout Range
115% of the nominal system frequency
Overfrequency Pickup Range
110% of the nominal system frequency
Operating Temperature Range
–20 to +70°C (–4 to +158°F)
Storage Temperature Range
–30 to +85°C (–22 to +185°F)
Operating Humidity
0 to 95% relative humidity (noncondensing)
Operating Environment
Resistant to ammonia, methane, nitrogen, hydrogen and hydrocarbons
Generator Start Relay
5A, 1/6 hp @ 250 Vac Vac 5A @ 30 Vdc with a 150W maximum load
K1, K2 Relays

10A, 1–3 hp @ 250 Vac

10A@30 Vdc
Applicable Testing
UL-recognized component
UL 1008, UL 991 Environmental IEC 61000-4-2, 61000-4-3, 61000-4-4,
Applicable Testing Continued
61000-4-5, 61000-4-6, 61000-4-11
CISPR 11, Class B
FCC Part 15, Class B
CSS 22.2-178
Enclosure Compatibility
NEMA 1, NEMA 3R and NEMA 12
UV-resistant ATC-100 faceplate