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Specifications of the ePAC™ II Variable Speed Drive for Rod Pumping
| Electrical Input Supply |
| Three-phase voltage |
230, 380, 480 Vac (+10% to 15%) |
| Three-phase frequency |
50 to 60 Hz (±5%) |
| Single-phase voltage |
230, 480 Vac (±10% to 15%) |
| Single-phase frequency |
50 to 60 Hz (±5%) |
| Electrical Power Factor |
| Displacement |
1.00 |
| Overall |
0.94 |
| Electrical Output Rating |
| Voltage |
Zero to input voltage, three-phase |
| Frequency |
Zero to 120 Hz open loop vector control
Zero to 300 Hz variable frequency control |
| Switching frequency |
Programmable, 2 to 16 kHz |
| Overload current |
110 to 120% of rated for one minute (normal duty) |
| Electrical Conversion |
| Rectifier unit |
Six-diode, three-phase (six-pulse) full wave bridge below 40 Hp
Diode-SCR, 6-phase (12-pulse) full-wave bridge for 40 Hp and above |
| Inverter unit |
Six-IGBT, four-quadrant, trap or sine wave output |
| Environmental |
| Operating temperature |
-40° to 122°F (-40° to 40°C) |
| Storage temperature |
-4° to 140°F (-20° to 60°C) |
| Relative humidity |
5% to 95%, non condensing |
| Altitude |
0 to 3,300 ft. (1,000 m) at full rating |
| Inputs and Outputs |
| Analog inputs |
Three 12-bit analog inputs: one 4 to 20 mA, two 0 to 10 Vdc |
| Pulse input |
0 to 32 kHz (flow volume configurable) |
| Analog outputs |
Two 12-bit analog outputs, 4 to 20 mA |
| Pulse output |
0 to 32 kHz |
| Digital inputs |
Eight digital inputs (requires sink of 1 mA to common) |
| Digital outputs |
Three programmable relay outputs (1 A @ 250 Vac), one fault contact |
| Serial Communications |
| Modbus® RTU |
RS422/485, 1200 to 19200 baud (STD) |
| Dimensional Data |
| Sz |
HP |
Height
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Width
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Depth
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Weight
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in. |
cm. |
in. |
cm. |
in. |
cm. |
lbs. |
kg. |
| 1 |
5-30 |
36 |
91.44 |
24 |
60.96 |
18 |
45.72 |
200 |
90.72 |
| 2 |
40-50 |
48 |
121.92 |
24 |
60.96 |
18 |
45.72 |
240 |
108.86 |
| 3 |
60-100 |
48 |
121.92 |
30 |
76.2 |
18 |
45.72 |
280 |
127.0 |
| 4 |
125-150 |
60 |
152.4 |
36 |
91.44 |
20 |
50.8 |
350 |
158.76 |
| 5 |
200 |
72 |
182.88 |
42 |
106.68 |
20 |
50.8 |
440 |
199.58 |
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