4
REV B
OPM-111
SPECIFICATIONS
PSS21/F
LP Gas
Wattage
21,000
21,000
21,000
22,000
Volts
120/240
120/208
120/240
277/480
kvA
21
26.25
26.25
26.49
Phase
Single
Three
Three
Three
Amps
87.5
72.9
63
33.11
CB Size
90
80
80
35
Hertz
60
60
60
60
Natural Gas
Wattage
21,000
21,000
21,000
22,000
Volts
120/240
120/208
120/240
277/480
kvA
21
26.25
26.25
26.49
Phase
Single
Three
Three
Three
Amps
87.5
72.9
63
33.11
CB Size
90
80
80
35
Hertz
60
60
60
60
Engine
Model
ZENITH 2.8L
Starting System
12 Volt
Muffler
Standard
Fuel Consumption (full load)
LP
NG
3.76 GAL/HR - 342,516 BTU/HR
321 FT³/HR - 321,332 BTU/HR
Generator Testing Resistance
Note: Review the Stamford Newage nameplate on your generator
before selecting the correct information below.
Model
Stamford
S0L2-M1
Winding Group
711
Resistances:
Rotor
0.747 Ohms @22°C
Stator (L-N)
0.290 Ohms Per Ph @ 22°C
Exciter Rotor (L-N)
0.106 Ohms Per Ph @ 22°C
Exciter Stator (L-N)
15.42 Ohms @ 22°C
Aux Winding
5.160 Ohms @ 22°C
Voltage Regulator (L-N)
AS540
Model
Stamford
S0L2-M1
Winding Group
706
Resistances:
Rotor
0.747 Ohms @22°C
Stator (L-N)
0.097 Ohms Per Ph @ 22°C
Exciter Rotor (L-N)
0.106 Ohms Per Ph @ 22°C
Exciter Stator (L-N)
15.42 Ohms @ 22°C
Aux Winding
2.570 Ohms @ 22°C
Voltage Regulator (L-N)
AS540
PSS30/F
LP Gas
Wattage
30,000
30,000
30,000
30,000
Volts
120/240
120/208
120/240
277/480
kvA
27
37.5
37.5
37.5
Phase
Single
Three
Three
Three
Amps
125
104
90
45
CB Size
125
100
100
45
Hertz
60
60
60
60
Natural Gas
Wattage
27,120
28,000
28,000
28,000
Volts
120/240
120/208
120/240
277/480
kvA
28
35
35
35
Phase
Single
Three
Three
Three
Amps
113
97
84
42
CB Size
125
100
100
45
Hertz
60
60
60
60
Engine
Model
ZENITH 2.8L
Starting System
12 Volt
Muffler
Standard
Fuel Consumption (full load)
LP
NG
4.74 GAL/HR - 431,441 BTU/HR
407 FT³/HR - 407,741 BTU/HR
Generator Testing Resistance
Note: Review the Stamford Newage nameplate on your generator
before selecting the correct information below.
Model
Stamford
S1L2-K1
Winding Group
711
Resistances:
Rotor
0.965 Ohms @22°C
Stator (L-N)
0.177 Ohms Per Ph @ 22°C
Exciter Rotor (L-N)
0.112 Ohms Per Ph @ 22°C
Exciter Stator (L-N)
15.5 Ohms @ 22°C
Aux Winding
3.91 Ohms @ 22°C
Voltage Regulator (L-N)
AS540
Model
Stamford
S1L2-H1
Winding Group
706
Resistances:
Rotor
0.891 Ohms @22°C
Stator (L-N)
0.079 Ohms Per Ph @ 22°C
Exciter Rotor (L-N)
0.112 Ohms Per Ph @ 22°C
Exciter Stator (L-N)
15.5 Ohms @ 22°C
Aux Winding
2.3 Ohms @ 22°C
Voltage Regulator (L-N)
AS540