1.1.2Electrical Specifications
•Nominal input voltage
120 or 208 volts single phase 2W+G, 60 Hz 220, 230, or 240 volts single phase 2W+G, 50 Hz 208/120 volts single phase 3W+G, 60 Hz
208 volts three phase, 3W+G, 60 Hz 208/120 volts three phase, 4W+G, 60 Hz
380, 400, or 415 volts
380/220, 400/230, or 415/240 volts three phase 4W+G, 50 Hz Solidly grounded power sources
•Branch circuit breaker rating 15, 20, 30, or 60 amps, 60 Hz 13, 25, or 50 amps, 50 Hz
•Maximum continuous current 12, 16, 24, or 48 amps, 60 Hz 13, 25, or 50 amps, 50 Hz
•Load power factor range: 0.5 to 1.0, leading or lagging.
•Load crest factor: up to 3.5.
•Source voltage distortion: up to 10% THD.
•Overload capability: 125% of continuous current for 2 hours, 1000% for 2 cycles minimum.
•Overcurrent Protection: External overcurrent protection provided by the supply branch cir- cuit breakers.
•Short circuit withstand capability: up to 20,000 symmetrical amps, protected by internal fus- ing.
•Withstands Transient Voltage Surges up to 6 kV as defined by IEEE C62.41 for Category A3.
•Meets FCC Part 15 Class A Emission Limits.
•ETL Listed under UL Standard 1008.
•50 Hz units are CE marked for compliance with the EMC and Low Voltage Directives.
•Redundant Control Power Supplies.
•Integral Maintenance Bypass.
•Eight Isolated Normally Open, Form A Switch Status Contacts.
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1.1.3Environmental Specifications
•Storage temperature range:
•Operating temperature range: 0° to 40°C.
•Relative Humidity: 0 to 95% without condensation
•Operating Altitude: up to 5000 feet (1500 meters) above sea level without derating.
•Storage/Transport Altitude: up to 40,000 feet (12,000 meters) above sea level.
•Audible Noise: less than 45 dBA at 5 feet (1.5 meters).
Introduction 3