RS45000 42kW Residential Standby Natural Gas Generator Kit

Powerful enough to run all the comforts and conveniences of your home, the Cummins Onan RS 45000 Home Standby System is designed for quiet, neighborhood friendly operation. The system is fully automatic when used with a Cummins Onan Automatic Transfer Panel, eliminating the need for human intervention. Powered by a heavy-duty Ford Industrial engine, this system conveniently connects to your home's natural gas source. Rest assured that RS45000 home standby generator will give you power when you unexpectedly need it most.

Features:

• Attractive and discreet housing
• Aluminum weather resistant housing
• High quality commercial grade materials
• Fully automatic operation when used with a Cummins Onan Automatic Transfer Panel
• Lockable access doors
• Self-diagnostic capability
• Modest maintenance requirements
• Electric Governor for precise frequency control
• Includes 120V coolant heater
• Listed to UL2200
• Fully enclosed exhaust silencer
• Very quiet operation - 66.3 dB(A) at 7 m
• Design: brushless, revolving field, 4-lead, single phase design
• Insulation system: Class H per NEMA MG1-1.65
• Temperature rise: At rated load is less than 125°C at standby rating, perNEMA MG1.22.40, IEEE 115 and IEC 34-1
• Excitor type: The excitation system derives its power from the main output of the generator, eliminating the need for a separate excitation power source
• Alternator Cooling: Direct-drive centrifugal blower
• Rotor: Supported by a pre-lubricated, maintenance-free ball bearing

Engine Features:

• Electronic ignition
• Electronic governor
• Full pressure lubrication
• High-capacity oil sump, spin-on filter
• Solenoid shift starter
• 37-Amp, engine-driven battery charger
• 120V Coolant heater

Engine Specifications:

• Ford Industrial, spark-ignited engine
• 6-Cylinder V, liquid-cooled design
• Compression Ratio: 9.3
• Displacement: 256 cu in (4.2 L)
• Cooling system: 104°F ambient cooling system
• Oil sump capacity: 6
• Operating speed: 1800 rpm

Control System Features:

• Automatic remote starting
• Controls generator set starting and shutdown
• Control components designed to withstand the vibration levels typical in generator sets
• Field circuit breaker
• High temperature, low oil pressure, overcrank and overspeed shutdowns
• Running time meter
• UL-listed circuit breaker
• DC control fuse

Specifications:

• Running (rated) watts: 42,000
• kVa: 42
• AC Voltage: 120 / 240 VAC, 1.0 pf
• Voltage regulation: +/- 1%, no load to full load
• Rated Amperage: 350/175
• Circuit breaker: 175-amp, 2-pole
• Frequency regulation: Isochronous, 0% no load to full load
• Random frequency variation: +/- 0.5% @ 60 Hz
• Operating temperature range: -20°F (-28.8°C) to 122° (50°C)
• Sound level: 66.3 dB(A) at 23 ft (7 m), average

Transfer Switch: The Cummins Onan RSZ Automatic Transfer Panel combines reliability and flexibility in a small, economical package. This system is specifically designed for transferring loads between the utility power and generator set. This panel should be professionally installed to your utility power and Onan generator. Designed for residential or light commercial settings, this transfer switch automatically activates your Cummins Onan standby generator when the power goes out.

NEMA3R - 2 Pole, 200 Amp Switch Specifications

• 200 Amp mode
• UL 1008 listed / CSA-approved
• Mechanically interlocked contactor
• Fully automatic control
• Automatic 1.25-Amp regulated battery charger
• NEMA 3 enclosure

NEMA1 - 2 Pole, 200 Amp Switch Specifications

• 200 Amp mode
• UL 1008 listed / CSA-approved
• Mechanically interlocked contactor
• Fully automatic control
• Automatic 1.25-Amp regulated battery charger
• NEMA 1 enclosure

Specifications Sheets:

RS45000

Guide to RSZ Series Automatic Transfer Panels

Home Preparedness Brochure

Guide To Home Energy Power Solutions