Generac XG04045CNAC 45kW 3-Phase Automatic Standby Generator - CARB Compliant for Commercial & Industrial Backup Power

Generac XG04045CNAC 45kW 3-Phase Automatic Standby Generator - CARB Compliant for Commercial & Industrial Backup Power

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Specifications

Owner's Manual

Wi-Fi Manual

Warranty

Features

Power Zone 410 Controller, NFPA 110 Capable
Cellular Connectivity for Mobile Link and Fleet
Quiet Operation
Corrosion Resistant Enclosure & Frame
5 Year/2,000 Hour Limited Warranty
Hi Motor Starting, Surge Capacity
Fuel Efficiency
Controller-Selectable Fuel Type - Natural Gas or Propane Vapor
1-Phase or Configurable 3-Phase Voltage Output
Single-Side Regular Maintenance Access
EPA & SCAQMD Exhaust Emissions Certified
As close as 18 in (457 mm) offset distance from structure

What's in The Box

45kW LC Automatic Standby Generator 3-Phase CARB - XG04045CNAC
Owners Manual

Warranty

5-Year Limited Factory Warranty
30 Day Satisfaction Guaranteed

Specifications

SKU	XG04045CNAC
Brand	Generac
Generator Output
Voltage	XG03245				XG04045
	Natural Gas				Liquid Propane
	Power (kW)		Current (A)		Power (kW)		Current (A)
120/240 1–Phase	32	133	32	133	40		40	139
208/120 3–Phase	32	111	32	111	40		40	120
240/120 3–Phase	32		32		40		40
480/277 3–Phase	32		32		40		40
Voltage Regulation
Type	Electronic
Sensing	All Phases
Regulation	+- 1 percent
Governor Specifications
Type	Electronic
Frequency Regulation	Isochronous
Steady State Regulation	+- 25 percent
Alternator System Specifications
	XG03245		XG04045
	1-Phase	3-Phase	1-Phase	3-Phase
Voltage Output	120/240 V Only	208/120 V; Configurable for 480/277 or 240/120 V with Optional Field-Installable VCC	120/240 V Only	208/120 V; Configurable for 480/277 or 240/120 V with Optional Field-Installable VCC
Circuit Breaker (CB) Size	150 A	Not Included; Optional Field-Installable Kit	200 A	Not Included; Optional Field-Installable Kit
Type	Synchronous		Synchronous
Rotor Insulation Class	F		F
Stator Insulation Class	H		H
Telephone Interference Factor (TIF)	< 50		< 50
Bearings	Sealed Ball		Sealed Ball
Coupling	Flexible Disc		Flexible Disc
Excitation System	Direct		Direct
Engine Specifications
	XG03245	XG04045
Make	Generac
Model	Inline 4 Cylinder
Cylinders	4
Displacement (L)	4.5
Bore	4.5 in
Stroke	4.25 in
Compression Ratio	9.9:1
Lifter Type	Hydraulic
Intake Air System	Naturally Aspirated
Temperature Derate	1.5% per every 5°C above 25°C (1.65% per every 10°F above 77°F)
Altitude Derate	1% per every 100 m above 183 m (3% per every 1000 ft above 600 ft)
Exercise Speed (RPM)	1,200
Operating Speed (RPM)	1,800
Cooling System
	XG03245	XG04045
Coolant	50/50 (50% Ethylene Glycol)
Coolant System Capacity (L (US gal))	11 (2.9)
Water Pump	Belt–Driven
Fan Type	Mechanical
Fan Quantity	1
Maximum Ambient Air Temperature (C (F))	50 (122)
Fuel Types
	XG03245	XG04045
Natural Gas	Yes
NG Pressure (kPa (in. WC))	0.87 – 3.48 (3.5 – 14)
Liquid Propane	Yes
LP Vapor Pressue (kPa (in. WC))	1.74 – 3.48 (7–14)
Fuel Type Configuration	Controller-Selected
Fuel Shutoff Solenoid	Standard, Dual
Fuel Consumption
Rated Load	XG03245				XG04045
	Natural Gas		Liquid Propane		Natural Gas		Liquid Propane
	(m3/h)	(CFH)	(m3/h)	(CFH)	(m3/h)	(CFH)	(m3/h)	(CFH)
25%	4.8	169	8.3	2.2	5.2	184	10	2.6
50%	6.8	240	12.9	3.4	8.2	289	14.5	3.8
75%	9.5	335	15.8	4.2	11.1	392	17.7	4.7
100%	11.5	406	18.5	4.9	14	494	21.7	5.7
Electrical System
System Voltage	12
Battery Charge Alternator (A)	37
Battery Charger (A)	5
Recommended Battery (not included)	Group 27R, 725 CCA Minimum
Maximum Allowable Battery	Group 31R

GENERAC GUARDIAN SERIES 20KW GENERATOR FEATURES AND BENEFITS

This generator provides essential circuit power protection for your home during a power outage, ensuring that essential appliances maintain power. This standby generator is automatic and offers protection year-round, for less than the cost of central air conditioning.

Every Guardian Series home standby generator comes with Mobile Link™ Remote Monitoring. Remote Monitoring is FREE, and allows you to monitor the status of your generator from anywhere in the world. Use a smartphone, PC, or tablet to access generator information, such as the current operating status and maintenance alerts. By connecting your account you have access to authorized service dealers for fast, friendly, and proactive service.

Generac generators are ideal for weathering storms and power outages. Their automatic backup power gives you piece of mind that your home and appliances are protected.

Generac generators and engines are designed, engineered and assembled in the USA using domestic and foreign parts.

The Generac G-Force Engine is built to handle the stressors of generator use. This results in power that’s more reliable and requires less routine maintenance than competitor engines. Generac’s new G-Force engine is purpose built and pressure-lubricated. It features hydraulic lifters, which improve engine performance and extending the life of the product. (Hydraulic lifters only available on the 13 & 16 kW.)