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1.7 System Specifications
Recommended environment 20° to 25°C (68° to 77°F); 50% relative humidity; computer room or other
temperature and humidity-controlled environment.
Operating temperature 10° to 40°C (50° to 104°F).
Storage -10° to 60°C (-14° to 140°F).
Humidity up to 95% non-condensing (operating).
Altitude sea level to 8,500 feet without derating.
Acoustic noise 65 dBA typical at rated load as measured 5 feet from the front of the STS module.
1.7.1 Electrical Electrical Characteristics
Nominal Input Voltage
208, 220, 240, 440, 480, 575, 600 VAC ± 15%, three(3) phase, 3 or 4-wire plus
ground.
Nominal Output
208, 220, 240, 440, 480, 575,600 VAC ± 15%, three(3) phase, 3 or 4-wire plus
Voltage
ground to correspond with input voltage. .
Maximum Continuous 200, 400, 600 Amps.
Current
Molded Case Switch 250, 400, 600 Amps.
Rating
Input/Output 50/60 Hz ± 5 Hz.
Frequency
Load Power Factor Unity to 0.60 lagging or
leading.
Non-Linear Loads 100% of its rating up to
Capability maximum crest factor of 3.5.
Overload Rating 150% for 15 minutes;
1000% for three(3) cycles.
Source Voltage
Up to 10% THD with notching
Distortion and ringing transients.
Output Voltage Less than 1% added.
Distortion
Voltage Transient Up to 6 KV (6000 volt spike)
per IEEE C62.41 for Cat. B3.
Meets EN 50082-1
Withstand (with optional TVSS installed). Such transient levels shall not effect the
operation of the STS. The STS may transfer on over-voltage conditions.
Short Circuit Withstand Up to 100KA.
Harmonic Current Unlimited.
(Feedback from the
Load)
Emission Limits Meets FCC Part 15 Class A, EN 50081-2.
Epilson STS
TM
Introduction1 — 8 86-504004-00 B03