E Series – Diesel Generator Sets

High-Performance Diesel Generator Sets Powered by Enerzip®

Enerzip® E Series Diesel Generator Sets are powered by Enerzip® proprietary engines developed on the proven Ricardo industrial engine platform. This series is designed for small-scale power applications where reliability, simple structure, and cost control are key priorities.

Covering a power range from 16.5kVA to 75kVA, the E Series is suitable for standby and prime power in residential backup, telecommunications sites, light commercial buildings, and small industrial facilities.

Enerzip® Proprietary Engine Platform – Mechanically robust design based on Ricardo technology, optimized for generator use
Practical Industrial Design – Stable load response and thermal performance without complex electronics
Cost-Effective Solution – Balanced performance and investment for entry-level industrial power needs
Compact & Low-Noise Options – Suitable for space-limited and noise-sensitive installations
Flexible Control Integration – Compatible with SmartGen, ComAp, and DeepSea controllers
Easy Maintenance – Simple structure and widely available spare parts

Description

Enerzip® E Series – Diesel Generator Sets (16.5kVA – 75kVA)

Powered by Enerzip® Proprietary Engines | Engineered for Reliable Standby & Light Industrial Power

The Enerzip® E Series Diesel Generator Sets are developed for applications where reliability, serviceability, and cost control are more important than complex electronic systems. As a direct generator manufacturer and factory, Enerzip designs and assembles the E Series around our own proprietary diesel engines, upgraded on the Ricardo technical platform and optimized specifically for power generation duty.

Covering the 16.5kVA to 75kVA range, the E Series is widely used as a diesel standby generator, commercial backup generator, and light industrial power generator for residential buildings, telecom sites, small workshops, and commercial facilities. By controlling both engine manufacturing and genset assembly in-house, Enerzip ensures consistent system matching, stable operation, and long-term service reliability.

1. Power Core – Enerzip® Proprietary Diesel Engine Platform

Designed for Generator Duty, Not Automotive Conversion

The E Series is built around Enerzip® proprietary diesel engines developed on the Ricardo industrial engine platform and optimized specifically for generator applications. Unlike automotive-derived engines that are adapted for genset use, these engines are engineered for constant-speed operation, stable combustion, and long service intervals under electrical load.

The engine calibration prioritizes low-speed torque output, which is critical for motor-starting performance in applications such as air-conditioning systems, water pumps, and telecom rectifiers. Mechanical injection architecture and conservative thermal loading help ensure stable operation even under frequent load changes, making the E Series suitable for standby generator systems and light prime power use.

2. Starting System – Reliable Cold Start & Long Standby Performance

Starting reliability is one of the most common failure points in small diesel generator sets, especially after long standby periods. For this reason, Enerzip adopts a conservative and proven starting configuration.

High-torque starter motors from Delco Remy, Bosch, or Denso are selected according to engine displacement to ensure sufficient cranking margin. High-CCA maintenance-free batteries from VARTA, Camel, or Sail are installed as standard, ensuring stable cold-start performance even in low-temperature or infrequently operated installations.

This configuration is widely used in emergency backup generators, residential standby generators, and commercial backup generator systems where immediate response is required.

3. Alternator System – Stable Voltage & Electrical Protection

The alternator system is selected based on application requirements rather than cost alone. Customers may choose alternators from internationally recognized manufacturers including LEROY SOMER, STAMFORD, SIEMENS, MARATHON, ENGGA, or Shanghai Stamford.

All alternators are equipped with Class H insulation, improving thermal resistance during extended operation. Digital AVR systems maintain voltage stability typically within ±0.5%, which is essential for protecting sensitive electronic loads such as office equipment, network hardware, and control systems commonly found in commercial buildings.

4. Control System – Practical Monitoring Without Over-Complexity

The E Series control philosophy focuses on reliability and clarity rather than excessive features. Controllers from Deep Sea Electronics (DSE), ComAp, DEIF, or SmartGen are integrated depending on project requirements.

Standard monitoring includes voltage, frequency, running hours, oil pressure, coolant temperature, and fault history. Protection functions cover overspeed, low oil pressure, high coolant temperature, over/under voltage, and short circuit events. Optional remote monitoring modules allow operators to manage the genset remotely, which is particularly useful for telecom sites and unmanned installations.

5. Cooling System – 50°C High-Ambient Engineering Standard

Thermal management is a key factor affecting generator lifespan. The E Series adopts an oversized cooling system designed for 50°C ambient temperature operation as a standard configuration.

Radiator cores are sourced from Weifang Sinrui, Guangzhou Nanhong, or Aksa China, matched precisely to engine heat rejection requirements. Fan diameter, airflow rate, and shroud geometry are engineered as a system to avoid localized overheating, ensuring stable coolant temperature during extended standby or continuous light-load operation.

6. Frame & Fuel Tank – Factory-Built Structural Integrity

As a direct generator manufacturer with in-house sheet metal production, Enerzip controls the mechanical structure of the E Series from raw steel to finished assembly.

The base frame is fabricated using high-grade structural steel with robotic welding to ensure dimensional consistency and long-term rigidity. Integrated base fuel tanks provide 8–24 hours of runtime depending on load and configuration. Each tank is pressure-tested during production to reduce leakage risk during transport and long-term operation.

Anti-vibration mounts are selected based on engine mass and operating speed to minimize vibration transmission to foundations and enclosures.

7. Silent Canopy – Designed for Urban & Residential Environments

For noise-sensitive installations, the E Series is available in silent and super-silent configurations. The enclosure is manufactured using powder-coated steel panels with chemical pre-treatment to enhance corrosion resistance.

Multi-layer acoustic insulation with fire-retardant properties is used to reduce airborne noise while maintaining sufficient airflow for cooling. Typical sound levels range from 65–70 dB(A) at 7 meters, depending on model and enclosure specification, making the E Series suitable for residential backup generators and commercial buildings.

8. Exhaust & Emission Control – Balanced Noise and Backpressure

Exhaust systems are designed to reduce noise without compromising engine performance. Industrial-grade silencers supplied by Foshan Welling or Weifang Sinrui are matched to engine displacement to control exhaust backpressure within acceptable limits.

Engine calibration focuses on stable combustion and compliance with applicable regional emission requirements for small industrial diesel generator sets, ensuring safe operation in urban and semi-industrial environments.

9. Installation & Deployment – Compact, Practical, Site-Friendly

The E Series is designed for straightforward installation and rapid deployment. Integrated lifting eyes and forklift pockets are built into the frame to simplify handling during transport and site positioning.

The compact footprint allows installation in limited mechanical rooms, rooftops, or outdoor pads. Factory pre-wiring and functional testing reduce on-site commissioning time, making the E Series suitable for fast-response projects and standardized commercial generator installations.

Technical Specification Matrix

Category	Partnered Suppliers & Standards
Product Type	Industrial & Commercial Diesel Generator Sets
Output Range	16.5kVA – 75kVA
Engine Platform	Enerzip® Proprietary Power
Starting Motor	Delco Remy / Bosch / Denso
Starting Battery	VARTA / Camel / Sail (High CCA Maintenance-Free)
Alternator Technology	LEROY SOMER / STAMFORD / SIEMENS / MARATHON / ENGGA / Shanghai Stamford
Control Intelligence	DSE / ComAp / DEIF / SmartGen (Cloud-Enabled)
Cooling System	50°C Tropical Grade (Sinrui / Nanhong / Aksa China)
Chassis / Frame	Enerzip® Proprietary (Heavy-Duty Sheet Metal Integrated)
Silent Canopy	Enerzip® Custom (Advanced UV-Resistant Powder Coating)
Exhaust Purification	Kailong High-tech / Weifu High-technology
Acoustic Silencing	Foshan Welling / Weifang Sinrui (High-Attenuation)

Why Choose Enerzip® E Series Diesel Generator Sets?

The Enerzip® E Series is designed for users who need a reliable diesel standby generator rather than an over-engineered system. By manufacturing our own engines and assembling the complete genset in-house, Enerzip maintains full control over component matching, quality consistency, and long-term serviceability. For residential backup power, small commercial buildings, and light industrial use, the E Series delivers a balanced solution focused on durability, practicality, and total cost of ownership.

Genset Model	ESP(KVA)	ESP(KW)	PRP(KVA)	PRP(KW)	Fuel Cons (L/H @ 70% load)	LWH(mm) Open Type	LWH(mm) Silent Type	Engine Model	Country of origin	Cyl Arrangement	Displacement(L)	Gov	Cooling
E16.5D5	16.5	13	15	12	2.7	17205801200	20508501236	E2270	China	4L	2.27	E	Water Cooling
E22D5	22	18	20	16	3.7	17205801200	20508501236	E2540	China	4L	2.54	E	Water Cooling
E33D5	33	26	30	24	5.3	17205801200	20508501236	E2540	China	4L	2.54	E	Water Cooling
E44D5	44	35	40	32	7	20208601410	230010001296	E3860	China	4L	3.86	E	Water Cooling
E55D5	55	44	50	40	8.7	20108361287	230010001296	E3860	China	4L	4.86	E	Water Cooling
E66D5	66	53	60	48	10	25008601410	25009501296	E3860	China	4L	5.86	E	Water Cooling
E13D5-1P	13	13	11	11	2.7	17205801200	20508501236	E2270	China	4L	2.27	E	Water Cooling
E18D5-1P	18	18	16	16	3.7	17205801200	20508501190	E2540	China	4L	2.54	E	Water Cooling
E22D5-1P	22	22	20	20	4.5	17205801200	20508501236	E2540	China	4L	2.54	E	Water Cooling
E27D5-1P	27	27	24	24	5.5	20108361287	230010001296	E2540	China	4L	2.54	E	Water Cooling

Technical Notes

Fuel consumption values are typical reference figures measured at 70% load under standard test conditions. Actual fuel consumption may vary depending on fuel quality, ambient temperature, altitude, load profile, alternator efficiency, and installation conditions.

Genset Model	ESP(KVA)	ESP(KW)	PRP(KVA)	PRP(KW)	Fuel Cons (L/H @ 70% load)	LWH(mm) Open Type	LWH(mm) Silent Type	Engine Model	Country of origin	Cyl Arrangement	Displacement(L)	Gov	Cooling
E22D6	22	18	20	16	3.5	16155501180	20508501196	E2270	China	4L	2.27	E	Water Cooling
E33D6	33	26	30	24	4.9	16555501180	20508501196	E2540	China	4L	2.54	E	Water Cooling
E44D6	44	35	40	32	6.3	17455501180	232010051300	E3860	China	4L	2.54	E	Water Cooling
E55D6	55	44	50	40	7.5	20208601410	230010001281	E3860	China	4L	3.86	E	Water Cooling
E66D6	66	53	60	48	9.2	20208601410	25009501286	E3860	China	4L	4.86	E	Water Cooling
E75D6	75	60	68	54	11	25008601410	25009501281	E3860	China	4L	5.86	E	Water Cooling
E17D6-1P	17	17	16	16	3.5	16155501180	20508501196	E2270	China	4L	2.27	E	Water Cooling
E26D6-1P	26	26	24	24	4.9	16555501180	20508501236	E2540	China	4L	2.54	E	Water Cooling
E35D6-1P	35	35	32	32	6.3	17455501180	230010001296	E3860	China	4L	2.54	E	Water Cooling
E44D6-1P	44	44	40	40	7.5	20208601410	230010001296	E3860	China	4L	3.86	E	Water Cooling

Applications

Enerzip® E Series Diesel Generator Sets – Typical Applications (16.5kVA – 75kVA)

As a direct diesel generator manufacturer and factory, Enerzip® designs the E Series specifically for low-to-medium power applications where compact size, quiet operation, and long-term reliability are more important than complex industrial features. Powered by Enerzip® proprietary engines developed on the Ricardo technical platform, the E Series is widely used as a standby generator, commercial backup generator, and small industrial diesel generator across diverse operating environments.

Below are the most typical and proven applications of the E Series in real-world projects.

Residential & Home Backup Power

In residential environments, power reliability directly affects comfort, safety, and security systems. The E Series is commonly installed as a home backup generator for villas, rural houses, and gated communities.

When paired with an automatic transfer switch (ATS), the generator can restore essential loads—such as lighting, refrigeration, internet equipment, and security systems—within seconds of a grid outage. The compact footprint and low operating noise make it suitable for residential zones where space and noise restrictions apply.

Typical Use Cases:
Residential generator, home standby generator, silent diesel generator, whole-house backup (load-managed).

Small Commercial & Retail Buildings

Small businesses such as retail stores, offices, workshops, and restaurants rely on continuous power for point-of-sale systems, refrigeration, lighting, and basic HVAC equipment.

The E Series is frequently selected as a commercial backup generator due to its stable voltage output, simple operation, and cost-effective ownership. Its compact design allows installation in basements, service yards, or outdoor enclosures with limited space.

Typical Use Cases:
Commercial standby generator, backup generator for business, small commercial generator.

Telecommunications & Remote Infrastructure

Telecom base stations, repeater sites, and remote communication facilities often operate in environments with unstable grids or no grid access at all.

The E Series serves as a reliable telecom diesel generator, supporting continuous or standby operation for 4G/5G base stations, microwave links, and auxiliary communication equipment. The engine platform emphasizes fuel efficiency and mechanical durability, while the 50°C-rated cooling system supports operation in hot and remote regions.

Typical Use Cases:
Telecom generator, base station backup power, remote site generator.

Construction Sites & Temporary Power

For small construction projects, maintenance sites, and temporary facilities, portable and dependable power is essential for tools, site offices, and temporary lighting.

The E Series is commonly deployed as a diesel generator for construction use, providing power for drills, compressors, welding equipment (within rating), and lighting towers. Reinforced base frames and forklift pockets allow easy relocation around job sites.

Typical Use Cases:
Construction generator, mobile diesel generator, temporary site power.

Agriculture & Small Farms

In agricultural settings, electricity is critical for water pumps, ventilation fans, milking equipment, and electric fencing. Grid reliability in rural areas is often limited.

The E Series is widely used as a farm diesel generator due to its mechanically simple engine design and ease of maintenance. It offers dependable backup power during outages, helping protect livestock, crops, and daily farm operations.

Typical Use Cases:
Agriculture generator, farm backup generator, diesel generator for farm use.

Medical Clinics & Small Laboratories

Small clinics, vaccination centers, and laboratories require stable power for refrigeration, diagnostic devices, and basic medical equipment.

Equipped with a digital AVR, the E Series delivers stable voltage suitable for sensitive loads when properly sized. It is commonly applied as a clinic backup generator or medical standby generator for non-life-support systems.

Typical Use Cases:
Medical backup generator, clinic power supply, laboratory standby generator.

Events, Hospitality & Outdoor Applications

Temporary events such as outdoor exhibitions, food trucks, small festivals, and hospitality setups require quiet and reliable power.

With its low-noise enclosure and compact dimensions, the E Series functions effectively as a silent generator for event power, catering equipment, lighting, and sound systems, without disturbing nearby activities.

Typical Use Cases:
Event power generator, outdoor silent generator, food truck power supply.

Why the E Series Fits These Applications

The Enerzip® E Series is intentionally positioned as a compact diesel generator solution rather than a heavy industrial genset. It focuses on:

Practical standby and light-duty prime applications
Low noise and small installation footprint
Proven proprietary engine platform
Cost-effective ownership and straightforward maintenance

For higher-power demands, continuous baseload operation, or grid-parallel systems, Enerzip® also offers industrial diesel generator series such as the C Series Diesel Generator Sets (Cummins Powered), which are engineered for larger commercial and industrial power systems.

FAQ

How is the Enerzip® E Series different from industrial diesel generator series such as the C Series (Cummins powered)?

The E Series is designed for low-to-medium power applications where simplicity, compact size, and cost control are more important than advanced industrial functions. It uses Enerzip® proprietary engines developed on the Ricardo platform and focuses on standby and light-duty prime operation. In contrast, industrial series such as the C Series are powered by Cummins global-warranty engines and are engineered for higher output, long-hour continuous operation, grid synchronization, and heavy electrical loads. Customers with data centers, factories, or 24/7 baseload requirements are typically better served by the C Series, while the E Series is more suitable for residential, commercial, agricultural, and telecom standby use.

Is the E Series suitable for continuous operation, or is it mainly a standby generator?

The E Series is primarily designed as a standby generator, with limited prime-duty capability depending on load profile and operating hours. It performs best in applications where power outages are intermittent or where runtime is moderate and predictable. For projects that require continuous 24/7 operation, high annual running hours, or frequent load fluctuations, Enerzip recommends industrial-grade diesel generator sets such as Cummins-powered or MTU-powered series, which are built with higher service factors and longer overhaul intervals.

Why does Enerzip use a proprietary engine platform for the E Series instead of international brands?

For the 16.5kVA–75kVA range, Enerzip has found that a well-designed proprietary engine platform offers better value, easier maintenance, and faster delivery than imported industrial engines. International brands are optimized for higher power ranges and industrial duty cycles, which often results in unnecessary cost and complexity for small-scale users. The Enerzip® proprietary engine allows better integration with the generator frame, cooling system, and enclosure, reducing vibration, noise, and overall system cost while maintaining reliable performance for its intended applications.

How does maintenance of the E Series compare with larger industrial generator sets?

Maintenance on the E Series is simpler and less specialized. Its mechanical engine structure, accessible service points, and widely available consumables allow routine servicing to be handled by local technicians without advanced diagnostic tools. Larger industrial generator sets often require brand-certified service personnel, specialized software, and longer service planning. While those systems offer superior performance for heavy-duty use, they also involve higher maintenance cost and complexity. The E Series is intentionally designed to minimize these requirements for everyday users.

Is the E Series a good choice for noise-sensitive environments compared to other Enerzip diesel generators?

Yes. The E Series is one of Enerzip’s most commonly selected solutions for noise-sensitive environments such as residential areas, retail zones, and clinics. Its compact engine size, optimized airflow design, and optional silent or super-silent enclosures make it easier to control noise levels compared to larger industrial generator sets. For higher power ranges, Enerzip generally recommends containerized solutions instead of silent canopies, as large engines require more space for proper cooling and acoustic treatment.

When should a customer consider upgrading from the E Series to a higher series diesel generator?

Customers should consider upgrading when power demand increases beyond 75kVA, when continuous operation becomes necessary, or when applications require advanced features such as grid synchronization, parallel operation, or higher fault tolerance. In such cases, Enerzip’s industrial diesel generator series—such as Cummins-powered, MTU-powered, or CAT-powered systems—provide stronger long-term performance, global warranty coverage, and greater engineering flexibility. The E Series remains the most practical choice for entry-level and compact power needs, while higher series address complex industrial requirements.

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