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IM05805022K
Instruction Booklet
Page
10
Effective: January 2012
ATC-300+ Automatic
Transfer Switch Controller
2.4 Specification Summary
Table 1. ATC-300+ Controller Specifications
Input Control Voltage
65 to 145 Vac 50/60 Hz
Voltage Measurements of
Source 1 VAB
Source 2 VAB
Source 1 VBC
Source 2 VBC
Source 1 VCA
Source 2 VCA
Voltage Measurement Range
0 to 790 Vac RMS (50/60 Hz)
Voltage Measurement Accuracy
± 1% of Full Scale
Frequency Measurements of
Source 1 and Source 2
Frequency Measurement Range
40 Hz to 70 Hz
Frequency Measurement Accuracy
± 0.3 Hz Over the Measurement Range
Undervoltage Dropout Range:
Breaker/Switch Style ATS
50 to 97% of the Nominal System Voltage
Undervoltage Pickup Range:
Breaker/Switch Style ATS
(D2%) to 99% of the Nominal System Voltage
Overvoltage Dropout Range:
Breaker/Switch Style ATS
105 to 120% of the Nominal System Voltage
Overvoltage Pickup Range:
Breaker/Switch Style ATS
103% to (Dropout -2%) of the Nominal System Voltage
Underfrequency Dropout Range:
Breaker/Switch Style ATS
90 to 97% of the Nominal System Frequency
Underfrequency Pickup Range:
Breaker/Switch Style ATS
(D1Hz) to 99% of the Nominal System Frequency
Overfrequency Dropout Range:
Breaker/Switch Style ATS
103 to 110% of the Nominal System Frequency
Overfrequency Pickup Range:
Breaker/Switch Style ATS
101% to (Dropout -1Hz) 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 (Non-condensing)
Operating Environment
Resistant to Ammonia, Methane, Nitrogen, Hydrogen, and Hydrocarbons
Generator Start Relay
5 A, 1/6 HP @ 250 Vac
5 A @ 30 Vdc with a 150 W Maximum Load
K1, K2, Pretransfer, Alarm Relays
K3, K4
10 A, 1-3 HP @ 250 Vac
10 A @ 30 Vdc
Applicable Testing
UL Recognized Component
Meets UL 1008
Meets Intent of UL 991,
Meets IEC 1000-4-2, 1000-4-3, 1000-4-4, 1000-4-5, 1000-4-6, 1000-4-11
Meets CISPR 11, Class A
Complies with FCC Part 15, Class A
Enclosure Compatibility
NEMA 1, NEMA 3R, NEMA 12 and NEMA 4X
UV Resistant ATC-300+ Faceplate
