Spec Sheet

MDG25IF4 | 2.2 L | 25 kVA
MOBILE DIESEL GENERATOR SET
EPA Emissions Certification: Final Tier 4
SPEC SHEET
5 of 6
APPLICATION AND ENGINEERING DATA (CONTINUED)
Deration – Operational characteristics consider maximum ambient conditions. Derate factors may apply under atypical site conditions.
Please consult a Generac Mobile Products Authorized Service Dealer for additional details. All performance ratings in accordance with ISO3046, BS5514, ISO8528, ISO8665, SAE
J1228, SAE J1995, and DIN6271 standards.
POWER RATINGS
Standby: kW/kVA (A) Prime: kW/kVA (A)
1-phase, 120/240 VAC @ 1.0pf* 17.5/17.5 (73) 17.5/17.5 (73)
3-phase, 120/208 VAC @ 0.8pf 25/31 (86) 20/25 (70)
3-phase, 120/240 VAC @ 0.8pf** 25/31 (75) 20/25 (60)
3-phase, 277/480 VAC @ 0.8pf 25/31 (37) 20/25 (30)
3-phase, 346/600 VAC @ 0.8 pf*** 25/31 (29) 20/25 (24)
*Alternator limited.
**Power ratings achieved through use of optional 4-position phase switch.
***Power ratings achieved through use of optional VFLEX alternator.
FUEL CONSUMPTION RATES
Load Fuel: gph (Lph)
Standby Prime
50% 1.2 (4.4) 1.1 (4.2)
75% 1.7 (6.5) 1.6 (6.1)
100% 2.3 (8.6) 2.0 (7.4)
OPERATING DATA
VFLEX ALTERNATOR SPECIFICATIONS
Make (Model) Marathon Electric (283PSL28106)
Poles – Qty 4
Field Type Rotating
Insulation Class – Rotor H
Insulation Class – Stator H
Total Harmonic Distortion <5%
Telephone Interference Factor <50
Standard Excitation Brushless
Bearings Double Shielded, Prelubricated
Coupling Direct Flexible Disc
Prototype Short Circuit Test Yes
Voltage Regulator Type AVR
Quantity of Sensed Phases 1
Regulation Accuracy (Steady State) ±0.5%