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Auto Transfer Panel ATC Breaker

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The ATC-100 is a comprehensive and multifunctional microprocessor-based ATS controller. It is a compact and self-contained panel-mounted device that is designed to replace traditional relay and solid-state logic panels.The ATC provides both fixed and jumper-selectable settings to allow for a range of applications. It operates from all system voltages between 120 and 480 Vac, single-phase and three phase at 50 or 60 Hz. The ATC-100 monitors the condition of the three-phase line to line voltage and the frequency of both the utility and generator power sources. It can also be set up for single-phase operation. The ATC-100 provides the necessary intelligence to ensure that the transfer switch operates properly through a series of selectable sensing and timing functions.

  • Specification Summary

  • Rating Range120 to 480V, single phase and three phase @ 50/60 Hz
  • Transfer TypeSwitch application dependent
  • Switch TypeSwitch application dependent
  • Input control voltage95 to 145 Vac 50/60 Hz
  • Voltage measurements of UtilityV<sub>AB</sub> generator V<sub>AB</sub><br>V<sub>BC</sub> generator V<sub>BC<
  • Specification Sheet


Product Details

Technical Summary

Rating Range 120 to 480V, single phase and three phase @ 50/60 Hz
Transfer 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 V<sub>AB</sub> generator V<sub>AB</sub><br>V<sub>BC</sub> generator V<sub>BC<
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 <br>10A, 1–3 hp @ 250 Vac</br><br>10A@30 Vdc</br>
Applicable testing UL-recognized component<br>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<br>CISPR 11, Class B<br>FCC Part 15, Class B<br>CSS 22.2-178
Enclosure compatibility NEMA 1, NEMA 3R and NEMA 12<br>UV-resistant ATC-100 faceplate

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