Operating instructions

S2Ba Sigma 2 basic type
M Modified* * order-related version, for
pump features see paperwork
for order
Electric power supply
S 3 ph, 230 V/400 V 50/60 Hz
M 1 ph AC, 230 V 50 Hz
N 1 ph AC, 115 V 60 Hz
L 3 ph, 230 V/400 V, 50 Hz, (Exe, Exd)
P 3 ph, 265 V/440 V, 60 Hz, (Exe, Exd)
R 3 ph, variable speed motor, 230/400 V
V(0) Variable speed motor with integrated Frequency
converter 1 ph, 230 V, 50/60 Hz
Z Speed control complete 1 ph, 230 V, 50/60 Hz
(control motor + frequency converter)
1 No motor, with B14 flange, size 71 (DIN)
2 No motor, with C 56 flange (NEMA)
3 No motor, with B 5, size 63 (DIN)
Degree of protection
0 IP 55 (standard)
1 Exe version ATEX-T3
2 Exd version ATEX-T4
Stroke sensor
0 No stroke sensor (standard)
2 Pacing relay (reed relay)
3 Stroke sensor (Namur) for haz‐
ardous locations
Stroke length adjustment
0 Manual (standard)
1 With servomotor, 230 V,
50/60 Hz
2 With servomotor, 115 V,
50/60 Hz
3 With control motor 0...20 mA
230 V, 50/60 Hz
4 With control motor 4...20 mA
230 V, 50/60 Hz
5 With control motor 0...20 mA
115 V, 50/60 Hz
6 With control motor 4...20 mA
115 V, 50/60 Hz
FPM = fluorine rubber
* for SST = 16 bar
** Standard with tube nozzle in the bypass Threaded connection on
request.
*** Exact values - see "Technical Data" chapter.
Identity code S2Ba
6