Models: SFC 8 to 515
Horsepower:
10 to 690 hp
(8 to 515 kW)
Capacities: 10 to 3037 cfm
Standard pressures: 80 to 217 psig
Kaeser's Sigma Frequency Control (SFC) compressors combine our Sigma Profile airends and revolutionary Sigma Control system with the latest in variable speed drive technology. Kaeser uses large, optimized airends turning at slower speeds for more efficient performance across the entire speed range.
Soft starts SFC units go from zero to full load without current spikes or excess heat rise. This allows unlimited motor starts, and since the SFC drive yields a "near unity power factor," power factor penalties are also eliminated.
Variable Speed Compressors: SFC Series
Model
Rated Motor Power
Min. Capacity at 460V, 110 psig
Max. Capacity at 460V, 110 psig
SFC 8 / 8T
10 hp
13 cfm
48 cfm
SFC 11 /11T
15 hp
22 cfm
76 cfm
SFC 15 / 15T
20 hp
29 cfm
98 cfm
SFC 18S /18ST
25 hp
33 cfm
127 cfm
SFC 22S / 22ST
30 hp
33 cfm
149 cfm
SFC 22 / 22T
30 hp
37 cfm
163 cfm
SFC 30S / 30ST
40 hp
38 cfm
185 cfm
SFC 30 / 30T
40 hp
46 cfm
217 cfm
SFC 37 / 37T
50 hp
54 cfm
254 cfm
SFC 45S / 45ST
60 hp
69 cfm
288 cfm
SFC 45 / 45T
60 hp
69 cfm
310 cfm
SFC 55 / 55T
75 hp
77 cfm
374 cfm
SFC 75S / 75ST
100 hp
100 cfm
463 cfm
SFC 90S / 90ST
100 hp
120 cfm
509 cfm
SFC 110S / 110ST
125 hp
136 cfm
618 cfm
SFC 75 / 75T
100 hp
129 cfm
593 cfm
SFC 90 / 90T
125 hp
129 cfm
698 cfm
SFC 110 / 110T
150 hp
157 cfm
799 cfm
SFC 132S / 132ST
175 hp
196 cfm
917 cfm
SFC 132
200 hp
196 cfm
980 cfm
SFC 160
250 hp
242 cfm
1161 cfm
SFC 200
270 hp
303 cfm
1305 cfm
SFC 250
340 hp
358 cfm
1466 cfm
SFC 315S
350 hp
314 cfm
1825 cfm
SFC 315
450 hp
470 cfm
2164 cfm
SFC 410
590 hp
368 cfm
2615 cfm
SFC 515
700 hp
420 cfm
3134 cfm
Precise pressure control
SFC compressors precisely control system pressure to ±2 psig using highly accurate sensors and the Sigma Control System to control motor speed. This eliminates "overpressurizing" and increases energy savings - after all every 2 psig saved in
overpressurizing reduces power consumption by 1%!
Superior frequency drive system technology SFC drive systems feature electromagnetic interface (EMI) filters and line reactors (SFC 22 and larger) for superior protection. Drive cabinet cooling fans maintain proper operating temperatures even under extreme ambient conditions.
EMI filter SFC drive systems are designed with an electromagnetic interference filter that eliminates or isolates all feedback, and prevents high frequency electronic noise from entering the plant's electrical grid.
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