LEESON SM-Plus Series Sub-Micro Inverters User Manual
Page 9

5
4.0
SM-Plus
™
SPECIFICATIONS
Storage Temperature
-20° to 70° C
Ambient Operating Temperature
0° to 50° C (derate 2.5% per °C above 50°)
Ambient Humidity
<95% (non-condensing)
Maximum Altitude
3300 ft (1000m) above sea level
(derate 5% per additional 3300 ft)
Input Line Voltages
120/208/240 VAC, 208/240 Vac, 400/480 Vac, 480/590 Vac
Input Voltage Tolerance
+10%, -15%
Input Frequency Tolerance
48 to 62 Hz
Output Wave Form
Sine Coded PWM
Output Frequency
0 - 240 Hz (consult Factory for higher output
frequencies)
Carrier Frequency
4 kHz to 10 kHz
(over 6 kHz requires derating; see parameter P02)
Service Factor
1.00 (up to 6 kHz carrier,
derate above 6 kHz; see parameter P02)
Efficiency
Up to 98%
Power Factor (displacement)
0.96 or better
Overload Current Capacity
150% for 60 seconds, 180% for 30 seconds
Speed Reference Follower
0 - 10 VDC, 4 - 20 mA
Control Voltage
15 VDC
Power Supply for Auxiliary Relays
50 mA at 12 VDC
Analog Outputs
0 - 10 VDC or 2 - 10 VDC: Proportional to frequency
or load
Digital Outputs
Open-collector outputs: 50 mA at 30 VDC