Hyundai 18kW/22.5kVA Single Phase Diesel Generator | DHY18KSEm


£7,115.00 inc. VAT

Key Features
  • Single-phase diesel generator: Produces up to 22.5kVA of backup power and 20KVA of prime power
  • Powered by a 1500rpm engine: Extends the lifespan of the generator
  • Fitted with an AVR alternator: Able to produce a clean energy output
  • Silenced generator: Housed in a weather-proof canopy, producing only 66dB at 7m
  • ATS compatible: Automatically transfers power to the generator in the event of a power cut
  • Peace of mind: 2 year Hyundai warranty

Finance Available

Finance Available

We offer finance on this product, please fill out the form below to express interest and a member of the team will get back to you.

    18kW Single-Phase Diesel Generator

    The DHY18KSEm is a powerful single-phase diesel generator from Hyundai. Suitable for providing your home or business with either prime power or for backup power when the national grid lets you down, this diesel gensets has a maximum output of 22.5KVA.

    Powerful Hyundai Engine

    Powered by a 21hp HY490 diesel engine, the DHY18KSEm is able to produce a maximum output of 22.5KVA / 18kW backup power and 20KVA / 16kW prime power.

    Fitted with AVR Alternator

    Equipped with an AVR alternator to produce clean energy, the DHY18KSEm is suitable for powering sensitive electronic equipment, such as televisions, PCs and laptops, in your home or business.

    ATS Compatible

    The DHY18KSEm can be started manually by using the key, or connected to an ATS (Automatic Transfer Switch) system, which will automatically turn on the generator when a loss of power to the property is detected. When power returns from the mains, the ATS module will then safely turn your generator off.

    This is ideal for those who need to guarantee constant power – for example, if you run servers or have refrigeration units.

    Silenced Generator

    Housed in a weather-proof ‘silenced’ canopy, the DHY18KSEm produces only 66dB @ 7 metres which makes it a quiet standby generator which won’t interrupt you at home or work.

    Corrosion-Proof Canopy

    All Hyundai 1500rpm diesel generators’ soundproofed canopies undergo an anti-corrosion painting process called electrophoretic painting. This process ensures all areas of the canopy have an evenly applied thickness of paint, ensuring maximum corrosion protection.

    Digital Control Panel

    The digital control panel gives instant visibility for oil level & pressure, water temperature, battery charge levels and low running on engine, making maintenance easier than ever before.

    1500rpm Generator

    1500rpm diesel generators are ideal for static installation for daily prime power, as well as for regular standby generator/backup generator use.

    1500rpm generators have slower running, water-cooled engines which are less stressed than 3000rpm generators, which make them the best option if you’re going to use your generator as your main power source and will also prolong its lifespan.

    Economical Generator

    Diesel generators are ideal for backup applications as sometimes petrol can go stale and prevent a generator working. Our diesel generators also run happily on budget-friendly red diesel, without voiding the warranty and making it cost-effective to refuel.


    Kerbside delivery is included in the price. However, please note that a forklift will be required for unloading.

    2 Year Warranty

    This 22.5kVA diesel generator comes with a 2 year Hyundai warranty with full UK parts and service backup for added peace of mind. Read our warranty terms here.

    Generator kVA Ratings

    All of our single-phase generators have a kVA rating that is higher than the kW. This is because we have assumed the appliances you are going to power have a load factor/power factor of 0.8 – therefore the ‘assumed’ kVA rating of the load would be higher. This is industry standard and it is usually best to scope the right unit based on the kW.


    Model DHY18KSEm
    Rated/Prime kVA* 20
    Rated/Prime kW 16
    Max/Standby kVA* 22.5
    Max/Standby kW 18
    Phase Single
    Voltage 230
    Connection Method(s) 2 x 230V/32A 1 x 230vV/63A Busbar
    Rated Speed (RPM) 1500
    Frequency (Hz) 50
    Max/Continuous Current (Amps) 78.3 / 69.6
    Power Factor (Cosφ) 1
    Fuel Type Diesel
    Fuel Tank (Litres) 77.5
    Runtime (Hours) @ 100% Load 12.5
    Noise Level @ 1m 75% load (dB) 70
    Noise Level @ 7m 75% load (dB) 65
    Hyundai Diesel Engine Model HY490
    Power Output (kw) 21
    Displacement (CC) 2500
    No. of Cylinders 4
    Displacement (Litres) 2.5
    Recommended Oil Type SAE 15W40
    Oil Capacity (Litres) 6
    Oil Filter Part No. JX0810D1/JX85100C
    Aspiration Natural
    Fuel Regulation/Governor System Mechanical
    Fuel Consumption (100% Load) [Litres] 6.2
    Fuel Filter Part No. CX0708
    Cooling Water
    Alternator Model 184E
    Breakers 2P D100A 100mA
    Brushless Yes
    Voltage Regulation AVR
    Air Filter Part No. K1317
    Net Weight (kg) 786
    Gross Weight (kg) 520
    Dimensions L x W x H (mm) 1900 x 900 x 1120
    Battery System / Starting (V – Ah) 1 x 12/60
    ATS / MTS Compatible Yes
    Control Panel ComAp MRS10
    Model EAN 600231973571
    Warranty (years) 2

    Dimensions (mm): Length 1900 x Width 900 x Height 1100
    Rated Power (kW/kVA): 16/16
    Max Power (kW/kVA): 18/18
    Frequency: 50
    Voltage(s): 230
    Controller: IL-NT MRS 10
    ATS Port: Included
    Battery (Ah): 12v, 120ah
    Fuel Capacity (L): 77.5
    Cooling Fluid Volume (L): 10
    Engine Model: DG490
    Power Output (hp): 21
    Rotate Speed: 1500rpm
    Speed Regulation: Mechanical
    Displacement: 2540
    Oil Capacity (L): 15
    Alternator: AVR
    Power Factor (Cosφ): 1.0
    Low Oil Pressure: Yes
    Block On Startup: Yes
    Low Battery: Yes
    High Temperature On Water: Yes
    Low Oil Level: Yes
    Low Running On Engine: Yes
    Emergency Stop: Yes
    N.G. (kg.): 710
    Noise @ 1m: 92
    Noise @ 7m: 65
    Weight: 760kg

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