Milton CAT G45LG 45kW_56kVA Spec Sheet User Manual
Page 3
POWER RATINGS (kW)
STARTING CAPABILITIES (sKVA)
FUEL
COOLING
COMBUSTION AIR REQUIREMENTS
ENGINE
EXHAUST
Natural Gas
Propane Vapor
Single-Phase 120/240VAC @1.0pf
45
Amps: 188
45
Amps: 188
Three-Phase 120/208VAC @0.8pf
45
Amps: 156
45
Amps: 156
Three-Phase 120/240VAC @0.8pf
45
Amps: 135
45
Amps: 135
Three-Phase 277/480VAC @0.8pf
45
Amps: 68
45
Amps: 68
Three-Phase 346/600VAC @0.8pf
45
Amps: 54
45
Amps: 54
sKVA vs. Voltage Dip
480VAC
208/240VAC
Alternator
kW
10%
15%
20%
25%
30%
35%
10%
15%
20%
25%
30%
35%
Standard
45
34
52
69
86
103
120
26
39
52
65
77
90
Upsize 1
60
42
63
83
104
125
146
32
47
62
78
94
110
Fuel Consumption Rates*
Natural Gas
Propane Vapor
Percent Load
ft
3
/hr
m
3
/hr
Percent Load
ft
3
/hr
m
3
/hr
25%
290
8.2
25%
144
4.1
50%
426
12.1
50%
188
5.3
75%
562
15.9
75%
232
6.6
100%
698
19.8
100%
275
7.8
* Refer to "Emissions Data Sheet" for maximum fuel flow for EPA and SCAQMD permitting purposes.
STANDBY
Air Flow (inlet air combustion and radiator)
ft
3
/min (m
3
/min)
2470 (70.0)
System Coolant Capacity
Gal (Liters)
3 (11.36)
Heat Rejection to Coolant
BTU/hr
182,000
Max. Operating Air Temp on Radiator
ºF (ºC)
122 (50)
Max. Ambient Temperature
ºF (ºC)
104 (40)
Maximum Radiator Backpressure
in H
2
O
1.50
STANDBY
Flow at Rated Power
cfm
104
STANDBY
Rated Engine Speed
rpm
1800
Horsepower at Rated kW**
hp
71
Piston Speed
ft/min
1251
BMEP
psi
95
** Refer to “Emissions Data Sheet” for maximum bHP for EPA and SCAQMD permitting purposes.
STANDBY
Exhaust Flow (Rated Output)
cfm (m
3
/min)
321 (9.1)
Maximum Recommended Back Pressure
inHg
11.8
Exhaust Temp (Rated Output)
ºF (ºC)
1025(550)
Exhaust Outlet Size
in
3" OD
3 of 5
G45LG
operating data (60Hz)
G45LG 45kW
Deration – Operational characteristics consider maximum ambient conditions. Derate factors may apply under atypical site conditions. Please consult a Cat® Dealer for additional details.
All performance ratings in accordance with ISO3046, BS5514, ISO8528 and DIN6271 standards.