1A
OPERATION
STP
1A-4
1.4
Technical Data
1.5
Accessories
This pump is originally supplied with a power cable,
lowering rope, hose adapter, and Operator’s Manual.
Optional accessories can be ordered from WACKER
Corporation and include: discharge hoses, quick discon-
nect fittings, hose clamps, and hose couplings.
1.6
Application
This pump is designed and intended for dewatering of
clear water or water containing small debris or solids up
to 1/4 in. (6 mm).
DO NOT
use pump to pump flammable fluids or water
containing corrosive chemicals. These fluids could
become explosive and pose severe health and envi-
ronmental hazards. Contact local authorities for as-
sistance.
WARNING
STP750
STP400
7650
7649
7648
7646
Index of Protection Rating
68
68
68
68
Voltage
Volts
230
115
230
115
Frequency
Hz
50
60
50
50
Phase
1
1
1
1
Current
Amp
4.5
9.0
3.5
8.6
Speed
rpm(1/min)
2830
3430
2830
2830
Power
Hp (W)
1 (750)
1 (750)
1/2 (400)
1/2 (400)
Cable Length
ft. (m)
33 (10)
33 (10)
33 (10)
33 (10)
Cable Type
UL
VDE
VDE
VDE
Wire Size
AWG (mm
2
)
16/3 (4.1)
16/3 (4.1)
16/3 (4.1)
16/3 (4.1)
Discharge Diameter
in. (mm)
2 (50)
2 (50)
2 (50)
2 (50)
Max. Solid Size
in. (mm)
0.25 (6)
0.25 (6)
0.25 (6)
0.25 (6)
Max. Head
ft. (m)
52 (16)
52 (16)
39 (12)
39 (12)
Max. Discharge
gal./min. (m
3
/hr)
100 (23)
100 (23)
66 (15)
66 (15)
Weight
lbs. (kg)
46 (21)
46 (21)
42 (19)
44 (20)
Max. Water Temperature
°F (°C)
212 (100)
212 (100)
176 (80)
176 (80)
