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2-4
Enclosure NEMA 1or NEMA 4
Installation Location: NEMA 1 Suitable for indoor mounting only, less than 1000 meters (3281 feet) elevation,
not in contact with corrosive gas, oil mist, or dust.
Suitable for use indoors or outdoors to protect the enclosed equipment against
splashing water, seepage of water, falling or hose directed water and severe
external condensation. Installation should be less than 1000 meters (3281 feet)
elevation, not in contact with corrosive gas, or oil mist.
Stored Temperature -20° to +65°C (-4° to +149°F)
Ambient Temperature -10° to +50°C (+14° to +122°
F) (remove ventilation covers if temperature is
over (+40°C +104° F)
Humidity 20% to 95% relative humidity (non-condensing)
Vibration 0.6G or less
Cooling Method 1/4 to 1 HP – Convection
2 HP and greater – Forced air (Integral fan)
Output
Rated Output Voltage 3-Phase, 3-Wire, 80-240 VAC or 160-480 VAC
(Can not exceed power supply voltage)
Frequency Range 0 - 400 Hertz (0.2 to 15 Hz Start Frequency; 15 to 400 Hz Base Frequency)
Above 120 Hz, contact the motor manufacturer for approval of application
Overload Current Rating 150% for 1 minute duration (inverse time characteristic)
200% for 0.5 seconds
Power Supply
Rated Input AC Voltage – 200 to 240 VAC 50/60 Hz, 1 phase (1/4 to 3 HP)
– 200 to 230 VAC 50/60 Hz, 3 phase (1/4 to 5 HP)
– 380 to 480 VAC 50/60 Hz, 3 phase (1/2 to 5 HP)
Voltage: +10% to -15%; Voltage Unbalance: Within 3%; Frequency ±5%
Control System Sinusoidal PWM "TORQUE VECTOR" Control
Control
Frequency Setting – Analog: 0.02 Hz step at Maximum frequency of 60 Hz
Resolution – Digital Keypad: 0.01 Hz Maximum frequency up to 99.99 Hz; 0.1 Hz (100
Hz or more)
Accuracy (Stability) Analog setting: ± 0.2% of Maximum frequency (59° to 95° F)
Digital Keypad setting: ± 0.01% of Maximum frequency (14° to 122° F)
TABLE 1: Standard Specifications
ITEM
SPECIFICATION
Environmental Conditions
NEMA 4