Kohler 38KW 120/208V 3-Phase Standby Generator with App Connect New - 38RCLC-QS2
Reliable power for large residential or small business needs. When the power goes out during a bad storm or power failure, your 38 kW KOHLER generator with industrial-grade engine keeps your home or business – from central air to sump pump to personal computers – up and running.
What our Experts Think
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Commercial‑ready 38 kW 3‑phase standby power
Tailored for 120/208 V three‑phase systems, this generator delivers robust backup for larger homes, small commercial buildings, and light industrial loads—keeping operations running smoothly during outages.
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App Connect & remote monitoring
KOHLER® Energy Management App integration provides real‑time alerts and remote status monitoring, making system health and performance easier to track.
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Industrial‑grade liquid‑cooled engine
Powered by a 2.2 L turbocharged liquid‑cooled engine (1800 RPM), offering durable, efficient operation and reliable performance under extended load.
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Clean, stable electrical output
Brushless alternator with advanced voltage and frequency regulation keeps harmonic distortion low, protecting sensitive electronics and motors.
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Fast automatic backup (~10 sec)
Senses power loss and automatically restores power quickly, minimizing downtime for critical systems.
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Quiet and neighborhood‑friendly design
Sound‑attenuating aluminum enclosure with internal silencer keeps operation relatively quiet (~53 dB test / ~61 dB at load) while meeting strict setback and wind‑load standards.
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Dual‑fuel flexibility (NG/LP)
Runs on natural gas or liquid propane with simple field conversion, giving fuel choice and continuity when outages extend.
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Advanced controller & diagnostics
RDC2 digital controller includes LCD display, self‑test programming, battery charging, and system diagnostics—helpful for installers and maintenance.
Q&A
Q: What power does this generator deliver?
A: The Kohler 38RCLC‑QS2 produces 38 kW of continuous standby power at 120/208 V three‑phase, suitable for large residences with 3‑phase service and small commercial sites.
Q: What applications is it best for?
A: Ideal for commercial buildings, offices, or homes with 3‑phase electrical systems that require reliable automatic backup during outages.
Q: What fuel options does it support?
A: It operates on clean‑burning natural gas or liquid propane (LP) with simple field conversion while maintaining emissions compliance.
Q: How fast does it restore power?
A: With an automatic transfer switch (sold separately), it can restore power typically within 10 seconds after a utility outage.
Q: Does it offer remote monitoring?
A: Yes — it supports the Kohler Energy Management App (App Connect) for real‑time alerts, status monitoring, and diagnostics.
Q: What engine and power quality features does it include?
A: Features a 2.2 L turbo liquid‑cooled engine, brushless alternator, advanced voltage/Hz regulation, and an RDC2 digital controller for stable, clean power with ultra‑low harmonic distortion safe for sensitive electronics.
Q: How quiet and durable is it?
A: Built with a sound‑attenuating aluminum enclosure, corrosion‑resistant finish, and “quieter” cooling system, keeping noise under typical neighborhood levels (approx. ≤61 dB at 7 m).
Maintenance Tips
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Oil & Filter Changes: Replace engine oil and filters every 100–200 hours or annually to prevent wear and maintain performance.
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App Connect Monitoring: Use the remote monitoring app to track performance, receive alerts, and detect issues early.
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Coolant System Care: Maintain proper coolant levels and flush periodically to prevent engine overheating.
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Air Filter & Spark Plugs: Clean or replace for reliable starts, efficient combustion, and optimal fuel economy.
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Weekly Exercise Cycle: Automatic test runs keep internal components lubricated and ready for power outages.
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Load Testing: Periodically run under load to ensure stable voltage, frequency, and full-capacity performance.
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Fuel System Check (NG/LP): Ensure consistent fuel supply and clean lines for uninterrupted operation.
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Battery & Electrical Connections: Check battery charge and terminal condition to guarantee fast automatic startup.
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Enclosure Maintenance: Keep the corrosion-resistant aluminum enclosure clean and properly ventilated to prevent overheating.
