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450 kVA Generators

A 450kVA generator provides around 360kW of usable power – a capacity well suited to large commercial premises, manufacturing plants, distribution centres, and industrial facilities requiring robust standby power or continuous prime power.We stock 450kVA diesel generators from Cummins, Perkins, FG Wilson, and CAT. Units are available in open-frame configuration for dedicated plant rooms or as canopied silent generators where noise levels are a concern.Typical applications at 450kVA include server room and data centre backup, medium-sized hospitals, food processing facilities, office complexes, and business backup for operations where power continuity is essential.Not sure if 450kVA is the right fit? We also supply 400kVA and 500kVA generators – our sales team can help calculate the correct size based on your connected load and starting current requirements.

450 kVA quick specifications: A 450 kVA diesel generator gives about 360 kW of prime power and around 396 kW on standby. At 400V three phase it supplies roughly 650 amps per phase. Typical fuel use is about 50 to 90 litres an hour depending on load. Sets this size suit data centres, hospitals, large industrial plants, major events and other critical power applications. New prices are typically around £43,000 to £65,000 ex VAT, although engine, alternator, canopy, controls and installation affect the final quote.

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450 kVA Generators for Sale

A 450kVA generator delivers substantial power capacity for large-scale commercial operations, industrial manufacturing plants, hospitals, data centres, hotels, distribution centres, and major construction projects. These robust diesel sets provide dependable performance for both critical standby backup and continuous prime power applications. At Generator Warehouse, we stock premium 450kVA models from industry-leading manufacturers including Cummins, FG Wilson, and Perkins.

Our 450kVA diesel generators are available in both soundproofed canopy enclosures for urban installations and noise-controlled environments, and open-frame configurations for industrial sites where acoustic attenuation isn’t a priority. Each unit can be specified with automatic transfer switching, synchronisation for parallel operation, remote monitoring capabilities, and advanced load management systems to ensure seamless integration with your existing electrical infrastructure.

Built to deliver consistent performance under demanding conditions, 450kVA generators are commonly deployed in healthcare facilities requiring uninterrupted power, manufacturing operations that can’t afford production downtime, large commercial properties needing comprehensive business continuity protection, and construction sites requiring robust temporary power solutions. They offer excellent fuel efficiency, emissions compliance, and straightforward maintenance requirements for both standby and continuous operation.

450 kVA Generator FAQs

How much power does a 450 kVA generator provide?

A 450 kVA generator provides approximately 360 kW of power, which is sufficient to support large commercial buildings, industrial facilities, and extensive backup systems. This level of power can support HVAC systems, lighting, machinery, and critical infrastructure, ensuring that operations continue smoothly during power outages. It’s also suitable for applications where multiple loads need to be managed simultaneously, such as in large hospitals or manufacturing plants. For smaller facilities, a 300kVA or 350kVA generator may be adequate, while larger operations often require 500kVA or 600kVA generators.

How much does a 450 kVA generator cost?

Indicative new prices are commonly around £43,000 to £65,000 ex VAT. Engine and alternator brand, acoustic canopy, control panel, fuel tank, delivery, commissioning and installation can all change the final quote.

How many kW is a 450 kVA generator?

At a typical 0.8 power factor, a 450 kVA generator provides about 360 kW of prime power. Standby power is commonly around 396 kW, but the exact rating should be checked on the chosen model’s datasheet.

How many amps does a 450 kVA generator supply?

At 400V three phase, a 450 kVA generator supplies about 650 amps per phase. This is a guide only: a qualified electrician should confirm cable, switchgear and protection sizes for the installation.

How much fuel does a 450 kVA generator use per hour?

A diesel generator of this size typically uses about 50 to 90 litres an hour, depending on load. Treat this as a planning range rather than a model-specific figure and check the selected generator’s fuel-consumption curve for an exact estimate.

What can a 450 kVA generator power?

This size is commonly used for data centres, hospitals, large industrial plants, major events and other critical power applications. The right choice still depends on the total running load and the starting current of the largest motors or equipment.