Cummins 36kW Generator Quiet Connect Series RS36 120/208-Volts 3 Phase
El Generador Cummins Quiet Connect Series RS36 de 36 kW, 120/208 voltios, trifásico. is a commercial-grade standby power system built for mission-critical applications. Designed for durability, quiet operation, and code compliance, this generator delivers reliable three-phase power for light industrial, commercial, and multi-unit residential installations.
Built in the USA and powered by a turbocharged 2.4L inline 4-cylinder engine running at 1800 RPM, the RS36 provides stable 120/208V output with precision voltage regulation. Whether installed for healthcare facilities, data rooms, apartment buildings, or small manufacturing operations, this generator is engineered for long-term reliability under demanding conditions.
If you are evaluating standby systems in the 30–40 kW range, the RS36 stands out for its balance of power density, acoustic performance, and regulatory compliance.
Cummins 36kW Generator Quiet Connect Series RS36 120/208 Volts 3 Phase Specifications
The RS36/A051Y418 model delivers:
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Rated Output: 36 kW
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Voltaje: 120/208 Volts 3 Phase
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Amperaje nominal: 124.9 Amps
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Engine: 2.4L Turbocharged Aftercooled Inline 4-Cylinder
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Velocidad del motor: 1800 RPM
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Frecuencia: 60 Hz
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Decibel Rating: 67 dBA
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Tipo de combustible: Natural Gas or Propane (field selectable)
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Recinto: Aluminum Sound Level 1
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UL Listing: UL-2200
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Compliance: EPA (Emergency Stationary), NFPA 110 (with accessories)
This is a true commercial standby generator, not a residential portable unit. It is designed for automatic operation during grid failure and full integration with an automatic transfer switch.
Engine Performance and Fuel Efficiency
The RS36 operates on either natural gas or propane, selectable during installation. The 1800 RPM engine speed is critical. Lower RPM operation significantly extends engine life and reduces mechanical stress compared to 3600 RPM systems.
Fuel Consumption (Full Load)
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Natural Gas: 472.3 cubic feet/hour
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Propane: 5.1 gallons/hour
Fuel Consumption (Half Load)
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Natural Gas: 292.3 cubic feet/hour
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Propane: 3.2 gallons/hour
The turbocharged and aftercooled configuration improves combustion efficiency, enabling stable performance even during sudden load changes.
For clients running critical systems such as HVAC units (up to 5-ton capacity), refrigeration banks, or IT infrastructure, stable frequency and voltage are non-negotiable. The RS36 maintains ±1.0% voltage regulation.
PowerCommand 1.1 Control System
A major strength of the Cummins platform is the PowerCommand 1.1 electronic control system.
Entre sus principales capacidades se incluyen:
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128 x 64 backlit LED display
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Remote start/stop capability
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Auto fault shutdown
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Alarm and system diagnostics
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Precise voltage and frequency regulation
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NFPA 110 Level 1 capable configuration
Unlike basic controllers, PowerCommand integrates generator monitoring and diagnostics into one system. This reduces downtime and speeds service response.
In commercial environments, self-diagnostic systems are essential for compliance and preventative maintenance scheduling.
Quiet Connect Acoustic Performance
The Quiet Connect design is engineered to reduce sound output without restricting airflow.
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67 dBA at rated load
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Aluminum Sound Level 1 enclosure
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Power-coated corrosion-resistant finish
For perspective, 67 dBA is comparable to normal conversation levels. That makes the RS36 suitable for:
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Urban installations
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Mixed-use buildings
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Office complexes
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Medical clinics
The enclosure also withstands 180 MPH wind loads in accordance with ASCE 7-10, making it viable for hurricane-prone regions.
Cold Weather Capability and Environmental Durability
The RS36 is equipped for extreme climates.
Factory-installed features include:
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Coolant heater
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Crankcase vent heater
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Large battery rack
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Flexible fuel line
It is capable of cold starts down to -40°F when properly configured. That is critical for northern climates or high-altitude installations.
Compliance certifications include:
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UL-2200
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EPA Emergency Stationary 40CFR60
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IBC Seismic
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NFPA 110 (with optional accessories)
This ensures suitability for healthcare, municipal, and regulated commercial facilities.
Installation Requirements and Transfer Switch Compatibility
The generator requires:
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Prepared mounting pad
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12V battery (550 CCA at 0°F)
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Proper gas supply sizing
Cummins recommends pairing the RS36 with a Cummins OTEC automatic transfer switch for seamless integration.
If your load demand exceeds 36 kW, you may compare it with larger models such as:
For mid-size commercial facilities, the 36kW model often provides optimal cost-to-capacity efficiency.
Practical Steps Before Purchasing a 36kW Standby Generator
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Calculate total load requirements
Include HVAC startup loads and motor inrush currents. -
Confirm voltage configuration
120/208V 3-phase is common in commercial buildings. -
Verify fuel availability
Natural gas preferred for continuous supply. Propane ideal for remote areas. -
Check local compliance requirements
NFPA 110 may be mandatory for healthcare or life safety systems. -
Plan maintenance access space
The enclosure measures 94L x 34W x 45.5H inches and weighs 1294 lbs.
Skipping load calculation is the most common mistake buyers make. Always perform a professional load analysis before selecting a generator.
Real-World Application Example
A small medical imaging clinic operating 3-phase equipment with 5-ton HVAC demand typically requires stable 30–40 kW backup power.
The Cummins 36kW Generator Quiet Connect Series RS36 120/208-Volts 3 Phase provides:
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Stable voltage for imaging electronics
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Quiet operation in residential zones
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NFPA 110 compliance capability
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Cold weather start reliability
Compared to oversized systems, it reduces fuel consumption and long-term operating costs while still meeting regulatory standards.
Why Choose Cummins Power Generation
Cummins has decades of experience in heavy-duty engine and power systems manufacturing. Their standby generators are engineered for:
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Long lifecycle durability
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Integrated control systems
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Service network support
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Regulatory compliance
The RS36 includes a 2-Year Limited Warranty, with extended coverage options available up to 10 years.
In commercial power systems, long-term parts availability and service support matter more than upfront price.
Conclusión
El Cummins 36kW Generator Quiet Connect Series RS36 120/208 Volts 3 Phase delivers reliable commercial-grade standby power with quiet performance, advanced diagnostics, and regulatory compliance. Its 1800 RPM turbocharged engine, PowerCommand 1.1 controller, and Sound Level 1 enclosure make it an ideal solution for light industrial and commercial facilities requiring dependable 3-phase backup power.
For businesses needing stable 120/208V output in the 30–40 kW range, this generator offers a balanced combination of durability, efficiency, and long-term serviceability.
FAQ – Cummins 36kW Generator Quiet Connect RS36
1. What voltage does the Cummins RS36 provide?
It delivers 120/208 Volts 3 Phase power at 60 Hz.
2. Is the RS36 suitable for commercial buildings?
Yes. It is designed for commercial standby applications and supports NFPA 110 compliance when properly equipped.
3. What fuel types are supported?
Natural gas or propane, selectable during installation.
4. How loud is the generator during operation?
It operates at approximately 67 dBA under rated load.
5. Does it include a transfer switch?
No. A compatible Cummins OTEC transfer switch is recommended and sold separately.
6. Can it operate in cold climates?
Yes. It supports cold starts down to -40°F with factory-installed heaters.
7. What is the engine speed?
It operates at 1800 RPM, which improves longevity and reduces wear.
8. What warranty is included?
It includes a Cummins 2-Year Limited Warranty with extended warranty options available.
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