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The Excel Power XL-DK-28 25kVA Diesel Generator.
In an era where power stability is increasingly uncertain, the Excel Power XL-DK-28 25kVA Diesel Generator stands as a beacon of reliability. Part of the acclaimed Excel Power Standby Range, this generator is expertly engineered to deliver consistent, reliable energy across residential, commercial, and industrial environments. Whether you are looking to secure your business operations against downtime or seeking a robust backup generator for home use, the XL-DK-28 offers a perfect balance of power, durability,
...In an era where power stability is increasingly uncertain, the Excel Power XL-DK-28 25kVA Diesel Generator stands as a beacon of reliability. Part of the acclaimed Excel Power Standby Range, this generator is expertly engineered to deliver consistent, reliable energy across residential, commercial, and industrial environments. Whether you are looking to secure your business operations against downtime or seeking a robust backup generator for home use, the XL-DK-28 offers a perfect balance of power, durability, and quiet operation.
Designed for those who refuse to compromise on quality, this diesel generator is not merely a piece of machinery; it is an investment in continuity. It bridges the gap between light-duty domestic units and heavy-industrial plant machinery, offering a versatile solution that fits seamlessly into a variety of settings. With a focus on longevity and performance, Excel Power has curated a machine that utilises high-grade components to ensure that when the grid fails, your lights, heating, and critical equipment stay on.
Prime Power 25kVA/20kW Standby Power 27.5kVA/22kW Three Phase (400V – 50Hz)
Understanding your power requirements is essential, and the XL-DK-28 delivers impressive figures for its footprint. It offers a Prime Power rating of 25kVA (20kW)* and a Standby Power rating of 27.5kVA (22kW). This distinction is important: Prime Power refers to the maximum power available for an unlimited time (variable load), effectively acting as a primary power source, while Standby Power is the maximum power this diesel generator makes available during a variable electrical power sequence, such as a grid failure.
As a three phase generator operating at 400V and 50Hz, this unit is particularly well-suited for workshops, commercial premises, and larger residences with three-phase supplies. It provides the balanced power necessary to run heavier inductive loads, such as pumps, compressors, and motors, without the voltage dips associated with single-phase alternatives. For businesses, this ensures that essential machinery keeps running, maintaining productivity when competitors are in the dark.
Robust Depco Water Cooled 1500RPM Engine Coupled to High-Quality Depco Alternator
At the heart of the XL-DK-28 lies a powerhouse of engineering: the robust Depco water-cooled engine. Unlike high-speed 3000RPM engines found in cheaper, short-life units, this diesel fuel generator runs at a steady 1500RPM. This lower rotational speed is critical for durability; it significantly reduces engine wear and mechanical stress, extending the lifespan of the unit and ensuring it can handle long run-times during extended power outages.
The engine is precision-coupled to a high-quality Depco alternator, ensuring that the mechanical energy is converted into electrical power with maximum efficiency. The water-cooling system allows the generator to maintain optimal operating temperatures even during heavy loads or hot weather, preventing overheating that plagues air-cooled models. This combination makes the XL-DK-28 a superior choice for those comparing home electric generators, as the industrial-grade build provides peace of mind that lightweight portable units simply cannot match.
Durable Engineering for Demanding Applications
The Excel Power Standby Range is synonymous with toughness. The XL-DK-28 features durable engineering designed specifically for demanding applications. Every component, from the chassis to the anti-vibration mounts, has been selected to withstand the rigors of frequent use. The heavy-duty steel base frame incorporates a specially designed fuel tank and lifting points, making installation and positioning straightforward yet secure.
This durability is what separates a true diesel generator from lower-tier alternatives. In industrial environments where dust, vibration, and continuous operation are the norm, the XL-DK-28 excels. However, this robustness does not come at the expense of usability. The engineering team has ensured that maintenance access points are logically placed, making routine servicing, oil changes, filter replacements, and general inspections, hassle-free. This focus on “maintainability” ensures that your standby power solution remains ready to perform year after year.
Precision Voltage Regulation with ±1% Stability
Modern homes and businesses are filled with sensitive electronics, from computers and servers to smart appliances and medical equipment. A fluctuation in power quality can be disastrous for these devices. The XL-DK-28 addresses this with an Automatic Voltage Regulator (AVR) that delivers precision voltage regulation with ±1% stability.
This tight control over voltage output means the power produced by this diesel fuel generator is clean and stable, mimicking the quality of the mains grid. You can confidently plug in laptops, charge sensitive battery systems, or run complex industrial control panels without fear of spikes or surges causing damage. For anyone seeking a backup generator for home offices or data-sensitive commercial sites, this feature is non-negotiable.
Datakom Control Panel: Intelligence at Your Fingertips
Controlling and monitoring your diesel generator should be intuitive, and the XL-DK-28 is equipped with the advanced Datakom control panel to ensure just that. This digital interface provides a comprehensive overview of the system’s health and performance in real-time. It displays critical parameters such as voltage, frequency, oil pressure, coolant temperature, and fuel levels, alerting the user immediately to any anomalies.
The Datakom controller also facilitates automatic start functionality. When paired with an Automatic Transfer Switch (ATS), the system detects a mains failure and signals the generator to start, transferring the load within seconds. When the grid returns, it manages the cool-down and shut-off procedure automatically. This level of automation is what defines modern standby power, allowing you to protect your property even when you aren’t there.
Acoustic Canopy – Limits Sound to 70 dB(A) @ 7m
One of the most common concerns regarding home electric generators and commercial backup power is noise. The Excel Power XL-DK-28 solves this with a high-specification acoustic canopy. This weather-proof enclosure is lined with sound-attenuating foam that drastically reduces noise emissions, limiting sound levels to just 70 dB(A) at 7 meters.
This makes the unit ideal for residential areas or noise-sensitive settings where disturbing neighbours or employees is not an option. The canopy also provides full weather protection, shielding the engine and alternator from rain, snow, and UV damage, ensuring the generator can be situated outdoors without compromising its lifespan.
43l Fuel Tank for Extended Runtime
Dependability relies on autonomy. The XL-DK-28 is integrated with a 43-liter fuel tank located within the base frame. This generous capacity ensures extended runtimes, allowing the generator to operate through significant power outages without the immediate need for refuelling.
For critical applications, the fuel efficiency of the 1500RPM Depco engine combined with this tank size provides a reassuring buffer. Whether it is keeping the freezers running in a deli or the security systems active in a warehouse, the diesel fuel generator efficiency ensures you get the most energy out of every drop of fuel.
12-Month / 1000-Hour Warranty and Expert Support
Investing in an Excel Power generator is an investment in peace of mind. The XL-DK-28 comes with a comprehensive 12-month / 1000-hour warranty covering parts and labour. This warranty underscores the manufacturer’s confidence in the build quality and reliability of the unit.
Furthermore, the product is backed by Excel Power’s rigorous engineering standards and Hampshire Generators’ expert servicing options. Access to spare parts, technical advice, and professional maintenance teams ensures that your three phase generator is supported throughout its lifecycle. Whether you need an annual service or emergency support, the network behind the XL-DK-28 ensures you are never left in the dark.
Uncompromising Reliability: The Excel Power XL-DK-28
The Excel Power XL-DK-28 25kVA Diesel Generator represents the gold standard in mid-range power solutions. By combining industrial-grade components like the Depco engine and alternator with user-friendly features like the Datakom controller and silent canopy, it offers a versatile solution for a wide market. Whether you need a critical backup generator for home, a reliable three phase generator for your business, or a robust diesel generator for industrial standby, the XL-DK-28 delivers power, precision, and performance when you need it most.
Need help configuring your setup? Call Hampshire Generators on 01329 722390 or contact the team online for tailored advice and ongoing support.
*Check local emissions requirements for prime power use.
Read MoreGenerating Set Model:
- Manufacture Excel Power
- Model XL-DK-28
- Output rating 50HZ 230V, 1500RPM
- Prime Power 25kVA / 20kW
- Standby Power 27.5kVA / 22kW
- Noise Level: 70dB(A) at 7m in free field conditions.
Engine Technical Data:
- Engine make: Depco
- Engine model: DEPCO-4R95
- Governing type: MECHANICAL
- Number of cylinders: 4
- Cylinders arrangement: In-line
- Bore and stroke: 95 x 100
- Displacement: 2.836 (L)
- Oil capacity TBA
- Aspiration: N/A
- Cycle: 4-Stroke
- Compression ratio: 18. 5 : 1
- Cooling system: Water- Cooling
- Frequency & engine speed: 50HZ & 1500RPM
- Gross engine power Prime: 27kW
- Fuel consumption @ 100% L/hr 7.8
Alternator Data:
- Make: DEPCO
- Model: DEPCO-20-3
- No. of Bearings: 1
- Insulation Class: H
- Ingress protection: IP23
- Excitation system: SELF-EXCITATION
- Voltage: ±1%
Dimensions :
- Length (mm): 1650
- Width (mm): 740
- Height (mm): 860
- Weight* Kg: 630
- Fuel tank capacity: 43 (L)
Control Panel:
- Make: DATAKOM
- Model: D100
Connection Type: :
- Hard-Wired – optional sockets available
Delivery
When will I receive my order?
In most cases, a product on our website will give you an indication of the current stock availability, but shipping is not uniform for all products. We maintain fantastic relationships with all of our suppliers and we aim to get products to customers within 3 business days of the order being taken. This ava
...When will I receive my order?
In most cases, a product on our website will give you an indication of the current stock availability, but shipping is not uniform for all products. We maintain fantastic relationships with all of our suppliers and we aim to get products to customers within 3 business days of the order being taken. This availability is based on information from our suppliers and from sales and supply patterns. The availability information given is a guide only and not a guarantee as there are external factors that we may not have control over.
Coronavirus Update – UK couriers and transport companies will not currently guarantee delivery times and we are seeing a slight delay in deliveries – please bear this in mind when ordering.
Specialist Couriers – Some items such as the larger portable power stations are sent by specialist courier as standard couriers will not accept them. These specialist couriers are very reliable but sometimes don’t have tracking or timed delivery.
Split deliveries – We sometimes need to send orders for more than one item by different courier networks (portable power stations for example) – so you may receive items at different times.
1500rpm machines or larger diesel gensets however are typically priced on application and all depend on the destination. We will be happy to quote on any large diesel generator and discuss your needs over the phone or via email.
Most orders placed before 12pm on a business day will be shipped from our suppliers on the same day provided the product is in stock. If you need to be certain an item is in stock and available, or if you need a lead time, it’s worth calling our sales team on 01329 722390. Pricing for extended shipping areas like Northern Ireland, the Scottish Highlands and outlying Islands, Outer Hebrides, Channel Islands, Isle of Man, Scilly Isles, and other postcodes not considered as UK mainland are calculated at the checkout or can be obtained by calling our offices.
Please note that the processing of a payment and acknowledgement email does not constitute a legally binding contract. In the case of mispricing, changes in stock quantity, or if we believe the machine will be misused, we reserve the right to cancel the order and provide a full refund.
Heavy Items
You will be contacted by phone after ordering a larger item to confirm a delivery date before your order is dispatched. Large or heavy items are dispatched through a pallet network, so if we can’t get in contact with you, we may be unable to send out your item on a next day delivery. Please be sure to include a working phone number with your order.
Heavy items will require the recipient to make arrangements to take delivery of the goods and may require the recipient to help the courier unload the item. For items that are delivered on a pallet the courier will leave the pallet as close to your door as possible.
1500rpm diesel generators will require forklift (or similar) offloading; if this is not available then we can arrange a Hiab offload at an additional price – please call us to discuss any delivery requirements.
Read More
Have any questions on the Excel Power XL-DK-28 25kVA Diesel Generator?
Get in touch with us today and we'll be happy to answer any questions you have.
- CALL US
01329 722390
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