KDGC42S 50Hz

Cummins provides efficient, fully-integrated power generation systems built for reliability in uncertain circumstances. From homes to hospitals, and data centers to mining operations, our power generation products inspire confidence and keep the lights on.
Ratings
Standby Power KVA 53 KW 42 Prime Power KVA 45 KW 36 Voltage type 50Hz, 380/220V, 3 phases and 4 wires
Performance Data
Engine Brand & Model Cummins 4BTA3.9-G2 Alternator Brand & Model Leroy Somer LSA42.3 M7 Control System Deepsea DSE6120 Standard Noise Level@7m (Soundproof Sets) 75 dBA Circuit Breaker Type 3 Poles MCCB Frequency & Phase 50hz 3Phases + 4Wires Engine Speed (RPM) 1500 Fuel Consumption (L/hr) (100% Load) 9
Dimensions and Weights
Content Open type Soundproof Sets Dimensions: (mm) L 1800 2370 W 760 1100 H 1400 1650 Weights (kg) 885 1491

Optional Configuration
Engine Alternator Control System Canopy
Voltages●Jacket Water Preheater
● Oil Preheater● Winding Temperature
● Measuring Instrument
● Alternator Space Heater
● PMG
● Marine grade Protection (anti-corrosion)● Remote control panel
● ATS● Trailer
● Galvanized powder coating● 440/254V
● 380/220V
● 220/127V
● 208/120V
Hot Tags: 50 KVA Standby Super Silent Diesel Generator, China, suppliers, manufacturers, factory
50 KVA Standby super silent Diesel Generator
I have been working in industrial power generation long enough to see one simple truth repeat itself: when the grid fails, people don’t care about marketing words—they care whether the generator starts, stabilizes, and keeps everything running without drama. That is exactly where this 50 KVA Standby super silent Diesel Generator comes in. I’m writing this based on hands-on engineering experience with generator systems, especially Cummins powered Diesel Generator Sets used in real-world standby applications.
This unit is designed for businesses, factories, hospitals, telecom stations, and commercial buildings that cannot afford downtime. It’s not just about producing electricity—it’s about doing it quietly, efficiently, and reliably for years.

When I talk about a 50 KVA standby generator, I usually explain it in simple terms: it’s a backup brain for your entire power system. It sits quietly, monitoring the grid, and only wakes up when power disappears.
The “super silent” design matters more than most people expect. In real installations—hotels, residential complexes, hospitals—noise complaints can be more serious than fuel consumption issues. That’s why we design acoustic enclosures that reduce sound levels significantly.
| Parameter | Typical Value | Source |
|---|---|---|
| Rated Power | 50 KVA / 40 kW | ISO 8528 Generator Standards |
| Noise Level | 65–75 dB @ 7m | Camda Acoustic Test Data |
| Fuel Consumption | 10–13 L/h (75% load) | Cummins Engine Handbook |
Inside the generator, there are three main systems working together: the diesel engine, the alternator, and the control system.
Here’s how I usually explain it to clients: the engine is the “muscle,” the alternator is the “heart of electricity,” and the controller is the “brain.”
When mains power fails, the automatic transfer switch (ATS) detects it within seconds. The generator starts automatically, stabilizes frequency and voltage, and then takes over the load.
| System Component | Function | Technical Note |
|---|---|---|
| Diesel Engine (Cummins powered) | Mechanical energy generation | High torque, low RPM stability |
| Alternator (Stamford / Leroy Somer) | Electricity conversion | Brushless, self-excited system |
| Control Panel (Schneider / ABB) | Monitoring & protection | Auto start/stop + alarms |
Noise control is not just about comfort—it is often a legal requirement in urban environments. This 50 KVA standby super silent diesel generator uses a multi-layer acoustic enclosure system.
From my experience, the most effective designs include airflow optimization, because many silent generators fail when engineers over-focus on insulation but ignore cooling efficiency.
Soundproof canopy with high-density acoustic foam
Anti-vibration rubber mounts for engine base
Optimized airflow design for heat dissipation
Weatherproof and corrosion-resistant housing
| Noise Reduction Method | Performance Impact | Industry Benchmark |
|---|---|---|
| Acoustic insulation foam | -15 to -20 dB reduction | ISO 3744 |
| Muffler system | -10 dB exhaust noise reduction | SAE J210 |
| Vibration isolation | Reduced structural noise | Camda internal testing |
One thing I always emphasize is that reliability comes from system integration, not just a good engine. A Cummins Powered Diesel Generator already provides a strong foundation, but the final performance depends on assembly quality and control systems.

We use industrial-grade components, and every unit is tested under load before leaving the factory. This is not optional—it’s mandatory.
| Feature | Benefit | Reference |
|---|---|---|
| Cummins diesel engine | Long service life & stable output | Cummins Global Spec Sheet |
| Brushless alternator | Low maintenance operation | IEC 60034 Standard |
| Smart controller | Automatic fault protection | Schneider Electric Guide |
A 50 KVA standby generator is not oversized, and that makes it extremely versatile. I’ve personally seen it used in small factories, clinics, telecom stations, and even agricultural processing facilities.
Construction sites requiring temporary power
Hospitals and emergency backup systems
Telecommunication base stations
Commercial buildings and shopping centers
Farms and rural facilities
What makes it practical is the balance between fuel consumption and output capacity. It is not designed to run entire industrial plants, but it is perfect for critical load support.
At Camda New Energy Equipment Co. Ltd., every generator goes through a strict production process. We don’t treat assembly as just “putting parts together”—it is system engineering.
From welding the base frame to final load testing, every step has inspection checkpoints.
| Stage | Process | Standard |
|---|---|---|
| Frame fabrication | Steel cutting & welding | ISO 9001 controlled process |
| Assembly | Engine + alternator integration | Factory inspection checklist |
| Load testing | 0%, 25%, 50%, 75%, 100% load | ISO 8528 compliance |
We also follow ISO14001 environmental standards and OHSAS safety practices to ensure responsible manufacturing.
If I evaluate this generator from an engineering standpoint, I focus on three things: stability, maintainability, and lifecycle cost.
This 50 KVA standby super silent diesel generator performs well in all three areas. The Cummins engine gives long service life, the alternator ensures clean power output, and the control system reduces human error.
From a business perspective, downtime is more expensive than fuel. That’s why standby systems like this are not optional anymore—they are part of risk management.

Q1: Can this generator run continuously?
It is designed mainly for standby use, but it can run extended hours depending on load and maintenance schedule.
Q2: How quiet is the super silent design?
Typically between 65–75 dB at 7 meters, depending on installation environment.
Q3: What fuel does it use?
Standard diesel fuel, optimized for Cummins powered engines.
Q4: What is the delivery time?
Usually 15–35 days depending on configuration and order volume.
Q5: What certifications are included?
Units comply with ISO9001, ISO14001, OHSAS18001 and CE certification standards.
From my experience working with industrial generator systems, a good standby generator is not just about specifications on paper. It is about how it behaves under real stress—during blackouts, voltage drops, or emergency load conditions.
This 50 KVA Standby super silent Diesel Generator is designed exactly for those moments. It is stable, quiet, and built with globally recognized components including Cummins engines and premium alternator systems. For me, that combination is what makes it a dependable long-term investment for any critical power application.
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