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Overview:
Cummins 20kW RS20AE Home Standby Generator
QSJ999G, naturally aspirated, air-cooled, V-twin, overhead valve engine for reliable power
Single fuel – natural gas or propane vapor
Monitor your generator from almost anywhere with a computer, smart phone, or tablet
Built in display under the hood
Aluminum enclosure with galvanized steel interior
Sound level is a quiet 65 dB(A)
Flexible Exercise modes includes Cummins patented “crank only” mode that allows the generator to crank the engine and run diagnostics without starting the engine.
Industry leading motor starting capabilities and can easily start and run a 5 ton A/C under full pre-load.
UL, EPA emissions, and CSA 22.2 and B149-2 compliant
Upgrade Your Home's Resilience with the Cummins Quiet Connect 20kW Home Standby Generator
Ensure uninterrupted power for your entire home with the Cummins Quiet Connect 20kW Home Standby Generator. This reliable standby system seamlessly connects to your home via a Cummins Onan Automatic Transfer Switch (available separately) and taps into your natural gas or propane supply.
Experience peace of mind with 24/7 monitoring of power company distribution lines, thanks to the Cummins RS20A home standby generator. When it senses an outage, it springs into action automatically, running until utility power is restored. Invest in the ultimate home backup solution and safeguard your family's comfort and security with Cummins.
Features:
Cummins 20kW RS20AE Home Standby Generator Features:
Robust Design
The generator is designed to operate in cold weather with performance down to -40 °F out of the box. It is tested and certified per the latest EPA, UL, and CSA standards. The generator meets NFPA 37 which allows it to be installed 18 inches from a building. It has powerful motor starting ability and can easily start and run a5-ton A/C¹ under full pre-load.
NOTE: This is the extreme cold weather model.
Intelligent Load Management
The generator can control up to 4 loads and continuously monitors how much power is required independently for each load. It then controls each load for maximum utilization of generator power by only restoring loads the generator has capacity to run.
Flexible Exercise Modes
Exercise modes can be set for time, date, and frequency that suits the owner. Our patented ‘Crank only’ exercise mode allows the generator to crank the engine and run diagnostics without starting the engine. This reduces wear and tear on the engine, fuel costs, and further reduces the sound of an already quiet generator.
Remote Monitoring
Remote monitoring is built into every generator. Using a computer, tablet, or smart phone, an operator can monitor, change exercise modes, and manually run the generator remotely.
Fuel System • Single fuel – natural gas or propane vapor, field selectable (Set to Natural gas from factory)
Alternator • 60 Hz, 1 phase, < 5% THD (total harmonic distortion) • Long life electrographic DC brushes • Slip ring heater Control • Display language – English • Under hood built in display
Electrical • Single 100A circuit breaker, UL certified (On all models) • Battery charging alternator • Battery charger – 4 Amps Cooling • Single direct drive blower
Enclosure • Aluminum exterior, galvanized steel interior • Evaluated to withstand 180 mph wind loads in accordance with ASCE7-10
Code Compliance • UL 2200 • CSA 22.2 and B149.1 • EPA emissions • NFPA 37 – 18 inches
Warranty Base: 5 years / 2000 hours limited warranty that covers travel and labor for two years and parts for a full five years. Extended warranties available
Generator Set performance Voltage regulation, no load to full load: ±1.25% Steady state voltage variation: ±1.25% Frequency regulation: Isochronous Motor starting kVA (30% voltage dip): 40 for RS20A/AC, 34 for RS17A, and 26 for RS13A Steady state freq. variation: ±1.25% (±1.5% @ No load) Operating temperature: 122 °F (50 °C) to -40 °F (-40 °C) See Accessories section for details on kits
Engine Specifications Model: QSJ999G Design: Naturally aspirated, V twin air cooled Bore: 3.54 in (89.9 mm) Stroke: 3.09 in (78.5 mm) Displacement: 60.96 inch3 (999 CC) Cylinder block: Aluminum Battery capacity: Group 51R, 450 CCA at ambient temperature of 32 °F (0 °C) Starting voltage: 12 Volt, negative ground Oil Filter type: Spin-on Rated speed: 3600 rpm
Fuel Supply Pressure Minimum - in H2O (kPa): NG - 3.5 (0.87) / LP - 6.0 (1.49) Maximum - in H2O (kPa): NG - 12.0 (3.0) / LP - 12.0 (3.0)
Recommended Additions:
1. Cummins Onan RA Series Automatic Transfer Switches (sold separately)
2. Requires a Group 51R 450 CCA Battery (sold separately)
