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Generac Protector RG02515JNSX - ® 25kW Automatic Standby Generator (120/240V - 3-Phase - Steel) for sale.

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Generac Protector® 25kW Automatic Standby Generator (120/240V - 3-Phase - Steel)

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Liquid Cooled Standby Generators
25 kW
Rated Watts
120/240 Three-Phase
Emergency Standby Power Generator
For commercial buildings w/ 120/240V 3-Phase service
Runs off natural gas or LP fuel source

Low-speed exercise mode for quieter weekly tests; 59 dB @ 23'

Multi-Lingual Evolution
Two-Line LCD Display provides service & maintenance intervals

Automotive-Style Engine
Powerful Generac 1.5L DOHC 4-cylinder liquid-cooled engine

Galvanneal Steel Enclosure
Durable, powder-coat finish for superior weather protection
Lockable, external viewing window for quick status check

Automatic Shutdown Safety Feature
High coolant temp, low coolant, low oil pressure and overspeed

Mobile Link
Easily check generator status via computer, tablet or smartphone

Transfer Switch (Sold Separately)
Customize your system based on your actual application
Engine Brand
Generac 1.5L DOHC 4-Cylinder
1500 CC
Consumer Engine Warranty
5 Years
Commercial Engine Warranty
5 Years
Engine RPM
3600 RPM
Low Oil Alert/Shutdown
Product Specs
120/240 Three-Phase
60 Hertz
Surge Watts
25000 Watts
Rated Watts
25000 Watts
Fuel Type
LP/Natural Gas
NG Power Capacity
25000 Watts
LP Power Capacity
25000 Watts
NG Fuel Consumption @ 50% Load
297 (BTU: 297,000 BTU/HR) ft3/hr
NG Fuel Consumption @ 100% Load
430 (BTU: 430,000 BTU/HR) ft3/hr
LP Fuel Consumption @ 50% Load
3.3 (BTU: 299,475 BTU/HR) gallons/hr
LP Fuel Consumption @ 100% Load
4.7 (BTU: 426,525 BTU/HR) gallons/hr
Rated Amps
75 @ 240 Volts (Three Phase) Amps
Decibel Rating @ 7m
59 Test (73 Run) dbA
Transfer Switch
Automatic (Not Included)
Not Included (525 CCA)
Mounting Pad
Concrete (Not Included)
Cooling System
Liquid Cooled
UL Listed
Transfer Switch Circuits
Circuit Breaker Size
100 Amps
Made in USA
865 Pounds
Product Length
62.2 Inches
Product Width
30.6 Inches
Product Height
38.6 Inches
Consumer Warranty
5 Years
Commercial Warranty
5 Years

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  • Requires a loading dock or forklift
  • Free to Lower 48 States
We currently CANNOT ship this product to Alaska, California, Hawaii or any destination outside of the United States

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Buy Generac Protector® 25kW Automatic Standby Generator (120/240V - 3-Phase - Steel) at Power Equipment Direct. Read standby generator reviews and standby generator articles. Wide Selection of standby generator accessories available, including Generac Mobile Link™ Cellular Remote Monitoring System, Generac Guardian Maintenance Kit for 1.5L Engine (25/30kW Models) and Generac Mobile Link - Harness For Liquid-Cooled Generators (2010+).

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