Generac RG Protector Series Standby Generators
Spec Sheet and Installation Drawings
Product Overview
The Generac RG Protector Series offers liquid-cooled gaseous engine standby generators designed for reliable power backup. This document provides detailed specifications, features, and installation guidance for models RG04845 (48 kW), RG06045 (60 kW), and RG08045 (80 kW).
Standard Features
- Evolution™ Controller
- Cellular Connectivity for Mobile Link® and Fleet
- Padlockable Control Panel Cover
- Quiet Operation
- Corrosion Resistant Aluminium Enclosure
- 5 Year/2,000 Hour Limited Warranty
- High Motor-Starting, Surge Capacity
- ±1% Digital Voltage Regulation
- <5% Total Harmonic Distortion Power Quality
- Fuel Efficiency
- Controller-Selectable Fuel Type - Propane or Natural Gas
- EPA Emissions Certified
- CA & MA Emissions Compliant Models
- 115 mph (185 km/h) Wind Speed Rating²
- UL 2200 Listed
- SwRI Listed & Labeled allowing installation as close as 18 in (457 mm) from structure³
Notes:
¹ Cellular service for the US, Canada, and other supported countries using the Generac Generator Connectivity Accessory, Cellular (GGCAC).
² Requires correctly prepared concrete pad and anchoring system.
³ Must be located away from doors, windows, and fresh air intakes and in accordance with local codes.
Reference: SwRI Listed Products
Optional Field-Installable Features
- Push-Button Emergency Stop
- Cold Weather Operation Heaters
Key Features
- Innovative Design & Prototype Testing: Generac's commitment to rigorous testing ensures superior performance and reliability.
- Mobile Link® Connectivity: Standard cellular connectivity allows users to monitor generator status remotely via smartphone, tablet, or PC, providing alerts and enabling proactive service.
- True Power™ Electrical Technology: Delivers utility-quality power with less than 5% Total Harmonic Distortion, suitable for sensitive electronics and micro-chip based appliances.
- Solid-State, Frequency Compensated Voltage Regulation: Provides optimized response to load changes and maximum motor starting capability with digital voltage regulation at ±1%.
- Single Source Service Response: Generac's extensive service network supports the entire unit.
- Generac Transfer Switches: Designed for long life and reliability, offering total system compatibility when paired with Generac generators.
Generator Specifications
Generator Output
| Voltage | RG04845 | RG06045 | RG08045 | |||
|---|---|---|---|---|---|---|
| Power (kW) | Current (A) | Power (kW) | Current (A) | Power (kW) | Current (A) | |
| PROPANE | ||||||
| 120/240 V 1-Phase | 48 | 200 | 60 | 250 | 75 | 312 |
| 208/120 V 3-Phase | 48 | 167 | 60 | 208 | 75 | 260 |
| 240/120 V 3-Phase | 48 | 144 | 60 | 180 | 75 | 226 |
| 480/277 V 3-Phase | 48 | 72 | 60 | 90 | 75 | 113 |
| NATURAL GAS | ||||||
| 120/240 V 1-Phase | 48 | 200 | 60 | 250 | 80 | 333 |
| 208/120 V 3-Phase | 48 | 167 | 60 | 208 | 80 | 278 |
| 240/120 V 3-Phase | 48 | 144 | 60 | 180 | 80 | 241 |
| 480/277 V 3-Phase | 48 | 72 | 60 | 90 | 80 | 120 |
Emergency Standby Power (ESP) Rating: Standby ratings apply to installations served by a reliable utility source. The ESP rating is applicable to varying loads for the duration of a power outage. The average power output over 24 hours shall not exceed 70% of the ESP rating.
Voltage Regulation
| Type | Digital |
|---|---|
| Sensing | Single Phase |
| Regulation | ±1% |
Alternator System
| RG04845 | RG06045 | RG08045 | |
|---|---|---|---|
| 120/240 V 1-Phase | 200 | 300 | 400 |
| 208/120 V 3-Phase | 175 | 200 | 300 |
| 240/120 V 3-Phase | 150 | 200 | 300 |
| 480/277 V 3-Phase | 80 | 100 | 150 |
| Alternator Type | Synchronous | ||
| Rotor Insulation Class | H | ||
| Stator Insulation Class | H | ||
| Telephone Interference Factor (TIF) | <50 | ||
| Bearings | Sealed Ball | ||
| Coupling | Flexible Disc | ||
| Excitation System | Direct | ||
| Total Harmonic Distortion | <5% | ||
Surge Capacity
| Surge Amps at <0.4 Power Factor | ||||||
|---|---|---|---|---|---|---|
| 15% Voltage Dip (A) | 30% Voltage Dip (A) | 15% Voltage Dip (A) | ||||
| RG04845 | RG06045 | RG08045 | ||||
| 15% Voltage Dip (A) | 30% Voltage Dip (A) | 15% Voltage Dip (A) | 30% Voltage Dip (A) | |||
| 120/240 V 1-Phase | 100 | 300 | 150 | 413 | 283 | 600 |
| 208/120 V 3-Phase | 118 | 242 | 135 | 313 | 236 | 500 |
| 240/120 V 3-Phase | 144 | 260 | 117 | 289 | 204 | 432 |
| 480/277 V 3-Phase | 64 | 123 | 54 | 122 | 102 | 192 |
Engine System
| RG04845 | RG06045-RG08045 | |
|---|---|---|
| Make | Generac | Generac |
| Model | 4.5 L Inline 4-Cylinder, Naturally Aspirated | 4.5 L Inline 4-Cylinder, Turbocharged & Aftercooled |
| Compression Ratio | 9.9:1 | 8.9:1 |
| Lifter Type | Hydraulic | Hydraulic |
| Oil Pump Type | Gear | Gear |
| Oil Filter Type | Full Flow Spin-on Cartridge | |
| Crankcase Capacity (qt (L)) | 12 (11) | |
| Temperature Derate | 1.7% per 10 °F above 77 °F (1.5% per 5 °C above 25 °C) | 3% per 1,000 ft above 3,000 ft (1% per 100 m above 915 m) |
| Altitude Derate | 3% per 1,000 ft above 600 ft (1% per 100 m above 183 m) | |
| Exercise Speed (rpm) | 1,500 | 1,800 |
| Operating Speed (rpm) | ||
| Exhaust Flow at Rated Output (cfm (m³/min)) | 104 (2.9) | 181 (5.1) |
Governor
| Type | Electronic |
|---|---|
| Frequency Regulation | Isochronous |
Cooling System
| RG04845 | RG06045-RG08045 | |
|---|---|---|
| Coolant | 50/50 (50% Ethylene Glycol) | |
| Coolant System Capacity (US gal (L)) | 2.9 (11) | 4.5 (17) |
| Water Pump Type | Belt Driven | |
| Fan Type | Belt Driven | |
| Fan Quantity | 1 | |
| Maximum Ambient Air Temperature (°F (°C)) | 122 (50) | |
Fuel System
| Fuel Types | Liquid Propane (LP) Vapor or Natural Gas (NG) |
|---|---|
| Fuel Type Configuration | Controller-Selected Only |
| LP Vapor Pressure (in H₂O (kPa)) | 7-14 (1.74-3.48) |
| NG Pressure (in H₂O (kPa)) | 3.5-14 (0.87-3.48) |
| Fuel Shutoff Solenoid | Standard |
Fuel Consumption
Liquid Propane
| Rated Load | RG04845 | RG06045 | RG08045 | |||
|---|---|---|---|---|---|---|
| (US gph) | (L/h) | (US gph) | (L/h) | (US gph) | (L/h) | |
| Exercise | 0.7 | 2.6 | 0.9 | 3.4 | 0.9 | 3.4 |
| 25% | 2.9 | 11.0 | 2.1 | 7.9 | 2.6 | 9.8 |
| 50% | 4.2 | 15.9 | 4.4 | 16.7 | 5.7 | 21.6 |
| 75% | 5.3 | 20.1 | 6.8 | 25.7 | 8.3 | 31.4 |
| 100% | 6.6 | 25.0 | 8.4 | 31.8 | 10.8 | 40.9 |
Propane Data: 91,452 BTU/US gal (25.5 MJ/L); 36 ft³/US gal (0.27 m³/L); 2,540 BTU/ft³ (94.6 MJ/m³); 4.24 lb/US gal (0.508 kg/L)
Natural Gas
| Rated Load | RG04845 | RG06045 | RG08045 | |||
|---|---|---|---|---|---|---|
| (cfh) | (m³/h) | (cfh) | (m³/h) | (cfh) | (m³/h) | |
| Exercise | 101 | 2.9 | 103 | 2.9 | 103 | 2.9 |
| 25% | 201 | 5.7 | 257 | 7.3 | 292 | 8.3 |
| 50% | 336 | 9.5 | 432 | 12.2 | 534 | 15.1 |
| 75% | 447 | 12.7 | 618 | 17.5 | 799 | 22.6 |
| 100% | 607 | 17.2 | 808 | 22.9 | 1,063 | 30.1 |
Natural Gas Data: 1,036 BTU/ft³ (38.6 MJ/m³)
Note: See Emissions Data Sheets for maximum fuel flow for EPA and SCAQMD permitting purposes.
Electrical System
| System Voltage (V) | 12 |
|---|---|
| Charge Alternator (A) | 35 |
| Battery Charger (A) | 2.5 |
| Recommended Battery (not included) | Flooded Lead Acid, Group 27, 600 CCA Minimum |
| Maximum Battery Size | Flooded Lead Acid, Group 31, 750 CCA Minimum |
Enclosure
| RG04845 | RG06045 | RG08045 | |
|---|---|---|---|
| Sound Level at Exercise Speed (dB(A) @ 23 ft [7 m]) | 68 | 68 | 68 |
| Wind Speed Rating (mph (km/h)) | 115 (185) | 115 (185) | 115 (185) |
| Color | Bisque | ||
Controller Features
| Two-Line Plain Text LCD | Simple user interface for ease of operation. |
|---|---|
| Multi-Lingual | English, French, Spanish, and Portuguese |
| Mode Switch: AUTO | Automatic Start on Utility failure. 7 day exerciser. |
| Mode Switch: OFF | Stops unit. Power is removed. Control and charger still operate. |
| Mode Switch: MANUAL | Start with starter control, unit stays on. If utility fails, transfer to load takes place. |
| Programmable start delay | 10 - 30 seconds (Standard 10 sec) |
| Engine Start Sequence | Cyclic cranking: 16 sec on, 7 rest (90 sec maximum duration) |
| Engine Warm-up | 5 sec |
| Engine Cool-Down | 1 min |
| Starter Lock-out | Starter cannot re-engage until 5 sec after engine has stopped. |
| Smart Battery Charger | Standard |
| Automatic Voltage Regulation with Over and Under Voltage Protection | Standard |
| Automatic Low Oil Pressure Shutdown | Standard |
| Overspeed Shutdown | Standard, 72 Hz |
| High Temperature Shutdown | Standard |
| Overcrank Protection | Standard |
| Safety Fused | Standard |
| Failure to Transfer Protection | Standard |
| Low Battery Protection | Standard |
| 50 Event Run Log | Standard |
| Future Set Capable Exerciser | Standard |
| Incorrect Wiring Protection | Standard |
| Internal Fault Protection | Standard |
| Common External Fault Capability | Standard |
| Governor Failure Protection | Standard |
Available Accessories
Control System Kits
- Generac Generator Connectivity Accessory, Cellular (GGCAC): Provides cellular connection for monitoring via Mobile Link and Fleet. Standard on new RG048/60/80 generators.
- Enclosure Mounted Emergency Stop Kit: Red push button switch, mounts to generator exterior, replaces existing switch.
- Remote Emergency Stop Kit, Surface Mount: Red push button switch with twist release, aluminum enclosure, mounts remotely.
- Remote Emergency Stop Kit, Flush Mount: Red push button switch with twist release, aluminum enclosure, mounts flush remotely.
- Remote Emergency Stop Kit, Break Glass: Spring-loaded switch behind breakable glass in aluminum enclosure, mounts remotely.
- Generac Load Manager, 50 A: Manages large electrical loads on startup and sheds them to aid recovery.
- Generac Load Manager, 100 A: Manages large electrical loads on startup and sheds them to aid recovery.
- Generac LTE Propane Tank Fuel Level Monitor: Monitors LP fuel levels via cellular service and alerts users.
Operating Environment Kits
- Battery Heater Kit: For temperatures below 32 °F (0 °C), externally powered by 120 VAC, 60 Hz.
- Engine Block Heater Kit: For temperatures below 0 °F (-18 °C), externally powered by 120 VAC, 60 Hz.
Installation Kits
- Base Plug Kit: Plugs for generator baseframe lifting holes to keep debris out.
Maintenance Kits
- 4.5 L Gaseous Engine Regular Maintenance Kit: Includes oil filter, oil funnel, air filter, and spark plugs.
- Bisque Paint Kit: Touch-up paint for generator enclosure scratches or damage.
Installation Drawings
48 KW Generator Installation Drawing (Page 1 of 2)
This section describes the physical layout and dimensions for the 48 kW model.
Weight Data
| Weight Genset Only KG [LBS] | Weight Shipping Skid KG [LBS] | Shipping Weight KG [LBS] | |
|---|---|---|---|
| 4.5L/48KW | 808 [1781] | 51 [112] | 859 [1893] |
Views and Dimensions
Top View: Shows radiator/exhaust discharge air on both sides, air intake on both sides. Includes indication for removing a cover for radiator fill cap access. Center of gravity is noted. Exhaust muffler is enclosed within the generator enclosure.
Left Side View: Displays overall length (2119 mm [83.4 in]), overall height (1211 mm [47.7 in]). Lists service items: Oil Fill Cap (Left Side), Oil Dip Stick (Left Side), Oil Filter (Left Side), Oil Drain Hose (Right Side), Radiator Drain Hose (Right Side), Coolant Recovery Bottle (Right Side), Radiator Fill Cap (Roof Top), Air Cleaner Element (Left Side), Spark Plugs (Left Side), Muffler (See Note 11), Drive Belt (Either Side), Battery (Left Side). Also shows customer access assembly for control panel and battery charger location within.
Right Side View: Shows overall width (888 mm [35.0 in]). Indicates fuel line connection (1-1/4" NPT FEMALE TEE through baseframe opening).
Rear View: Shows circuit breaker access (See Note 3), rear enclosure cover panel (See Note 4), vice action latch (one per door), one lift-off door per side of generator. Includes dimensions for overall width and a specific dimension of 318.6 mm [12.54 in].
Installation Notes
- Minimum recommended concrete pad size is 6" offset of overall length and width of generator (1193.8 mm [47"] wide x 2423.2 mm [95.4"] long). Reference Installation Guide for pad guidelines.
- Allow sufficient room on all sides for maintenance and servicing. Install in accordance with NFPA 37, NFPA 70, and local codes.
- Control Panel / Circuit Breaker Information: See Specification Sheet or Owner's Manual. Accessible through customer access assembly door on rear.
- Remove rear enclosure cover panel to access stub-up areas for high voltage connection (AC load lead conduit, neutral, battery charger 120V AC), and low voltage connection (transfer switch control wires).
- Center of gravity and weight may change due to unit options.
- Bottom of generator set must be enclosed to prevent pest intrusion and recirculation of discharge air.
- Reference Owner's Manual for lifting warnings.
- Recommended mounting bolts: 1/2" diameter (use standard SAE torque specs).
- Must allow free flow of intake air, discharge air, and exhaust. See Spec Sheet for minimum air flow and maximum restriction requirements.
- Generator must be installed to ensure fresh cooling air availability and prevent radiator discharge air recirculation.
- Exhaust muffler enclosed within generator enclosure; remove front panel to access.
48 KW Generator Installation Drawing (Page 2 of 2)
This section details specific connection and mounting areas for the 48 kW model.
Views and Dimensions
Top View: Shows mounting slots (4x) and mounting slot centers.
Left Side View: Shows overall length (1919 mm [75.5 in]) and mounting slot centers (2119 mm [83.4 in]). Highlights a high and low voltage stub-up area (786 mm [30.9 in]) and a stub-up area (162 mm [6.4 in]).
Rear View: Shows a removable stub-up cover and mounting slot centers (838.1 mm [33.00 in]).
Stub-up Area Note
Note: Stub-up area for high and low voltage connections, circuit breaker, neutral, and customer connection opening.
60 / 80 KW Generator Installation Drawing (Page 1 of 2)
This section describes the physical layout and dimensions for the 60 kW and 80 kW models.
Weight Data
| ENGINE/KW | ENCLOSURE MATERIAL | Weight Genset Only KG [LBS] | Weight Shipping Skid KG [LBS] | Shipping Weight KG [LBS] |
|---|---|---|---|---|
| 4.5L/60KW | AL | 857 [1890] | 79 [175] | 936 [2064] |
| 4.5L/80KW | AL | 903 [1990] | 79 [175] | 983 [2165] |
Views and Dimensions
Top View: Shows radiator/exhaust discharge air on both sides, air intake on both sides. Includes indication for removing a cover for radiator fill cap access. Center of gravity (CG) is noted. Exhaust muffler is enclosed within the generator enclosure.
Left View: Displays overall length (2481 mm [97.77 in]), overall height (1241 mm [48.9 in]). Lists service items: Oil Fill Cap (Left Side), Oil Dip Stick (Left Side), Oil Filter (Left Side), Oil Drain Hose (Left Side), Radiator Drain Hose (Right Side), Coolant Recovery Bottle (Right Side), Radiator Fill Cap (Roof Top), Air Cleaner Element (Either Side), Spark Plugs (Left Side), Muffler (See Note 11), Fan Belt (Either Side), Battery (Left Side). Also shows customer access assembly for control panel and battery charger location within. Includes 4 lifting eyes.
Rear View: Shows circuit breaker access (See Note 3), rear enclosure cover panel (See Note 4), vice action latch, one lift-off door per side of generator. Includes stub-up area for AC load lead conduit connection, neutral connection, battery charger 120 Volt AC (.5 AMP MAX) connection, and access to transfer switch control wires.
Installation Notes
- Minimum recommended concrete pad size: 6" larger per side than generator (1269 mm [50"] wide x 2786 mm [110"] long). Reference Installation Guide for pad guidelines.
- Allow sufficient room on all sides for maintenance and servicing. Install in accordance with NFPA 37, NFPA 70, and local codes.
- Control Panel Circuit Breaker Information: See Specification Sheet or Owner's Manual. Accessible through customer access assembly on rear.
- Inside stub-up area for AC load lead conduit connection, neutral connection, battery charger 120 Volt AC (.5 AMP MAX) connection and access to transfer switch control wires. Remove rear cover for access.
- Center of gravity and weight may change due to unit options.
- Bottom of generator set must be enclosed to prevent pest intrusion and recirculation of discharge air.
- Reference Owner's Manual for lifting warnings.
- Recommended mounting bolts: 1/2" diameter (use standard SAE torque specs).
- Must allow free flow of intake air, discharge air, and exhaust. See Spec Sheet for minimum air flow and maximum restriction requirements.
- Generator must be installed to ensure fresh cooling air availability and prevent radiator discharge air recirculation.
- Remove front end panel to access exhaust muffler. Access available through doors to fan belt.
60 / 80 KW Generator Installation Drawing (Page 2 of 2)
This section details specific connection and mounting areas for the 60 kW and 80 kW models.
Views and Dimensions
Top View: Shows mounting centers.
Left View: Shows mounting centers. Highlights a high and low voltage stub-up area and a stub-up area.
Rear View: Shows a removable stub-up cover and mounting centers.
Stub-up Area Note
Note: Stub-up area for high and low voltage connections, circuit breaker, neutral, and customer connection opening.
