3kVA Continuous Transformer Hire London | 240V to 110V Site Transformer (16A)

Yes. Hireload offers 3kVA continuous transformer hire and site power transformer hire across all London boroughs. London kerbside delivery is available by booking, and self-collection from Greenford UB6 is also available. Check live availability and pricing on the product page.

A 3kVA continuous transformer is a step-down transformer rated to deliver 3 kVA of electrical load indefinitely at its 110V output without overheating. It converts standard 230–240V mains supply to 110V CTE (centre-tapped to earth) — the UK site safety voltage. The “continuous” rating is the key difference from standard or intermittent-rated transformers.

Continuous means the transformer is designed to sustain its full rated load without a mandatory rest or cool-down period. Standard (intermittent-rated) transformers are designed for duty cycles where the load varies or equipment has natural rest periods. Continuous is the right choice when equipment runs for long stretches — lighting rigs, heaters, extended drying runs.

Yes. Both convert 240V to 110V CTE and have the same 3kVA capacity. The difference is duty rating. A continuous transformer can sustain full load indefinitely. A standard (intermittent) transformer needs rest periods at full load and may overheat if run continuously. For heaters, lighting rigs and extended use, choose the continuous-rated version.

Yes. It steps down 230–240V single-phase AC mains supply to 110V AC output. This is the standard conversion for UK construction site use, where 110V CTE is the required safety voltage for site tools and equipment.

CTE stands for Centre-Tapped Earth. CTE transformers are commonly used for reduced-voltage 110V site power on UK construction sites. The centre-tapped secondary winding is connected to earth — this arrangement is why 110V CTE is widely used for site tool power across the UK. Confirm the exact unit specification before booking.

Common 110V site tools that typically run within a 3kVA rating include: SDS drills (typically ~700–1,100W), combi drills (~600–1,000W), angle grinders (~1,200–2,000W), and small concrete mixers (~700–1,200W). Always check the nameplate wattage on every tool. Add up the combined wattage of everything you want to run simultaneously — it must stay below 3,000W (approximately 3kVA). If unsure, call us.

Yes — and this is one of the best applications for a continuous transformer. Site lighting runs all day, which makes the continuous duty rating important. Check the wattage of your lights (typically ~150–500W per fitting) and ensure the combined load stays within the 3kVA rating. Verify socket and plug compatibility before booking.

Yes, as long as each tool is rated for for 110V CTE and the combined wattage stays within 3kVA. Check every tool’s nameplate wattage, confirm it has the correct 110V plug, and ensure total simultaneous load does not exceed the transformer rating.

Yes, but a 3kW fan heater will typically use the full 3kVA transformer capacity on its own. Do not run any other loads( simultaneously. The continuous duty rating is essential for heaters — an intermittent-rated transformer will overheat. Check the heater’s wattage and socket type before booking.

Yes, if the combined wattage of all tools running simultaneously stays within the 3kVA rating (approximately 3,000W). For example, two lower-draw tools totalling ~1,500W is fine; a high-draw angle grinder plus a drill may push close to the limit. Always check nameplates and add up the total before connecting. If your combined load is uncertain or near the limit, consider the 5kVA transformer.

kVA stands for kilovolt-amperes — it is a measure of electrical apparent power. At typical site power factor conditions, 3kVA is approximately equivalent to 3,000W (3kW). Use 3,000W as your working guide when checking whether your tools’ combined wattage fits within the transformer’s capacity.

Approximately yes, for most practical site purposes. The exact relationship depends on power factor, but for planning purposes you can treat 3kVA as approximately 3,000W when checking whether your tools’ nameplate wattage falls within the transformer rating.

The product listing references a 16A transformer. The input connector type (16A or 32A) determines which mains socket it plugs into. Confirm the input plug configuration with us before booking — the configuration may vary by unit supplied. Also confirm your site has the correct input socket available.

110V CTE tools use a distinctive yellow plug with a round earth pin, typically 16A (round 3-pin) or 32A (larger round 3-pin). Check that your tools use this plug type. If you are unsure, bring a tool to collection or describe the plug to us — we can advise before you book.

The transformer can be positioned outdoors on site, but it must be kept covered and sheltered from direct rain and standing water. It is not verified weatherproof. Use it under a canopy, in a dry sheltered position, on a raised stable surface. Keep ventilation clear. If in doubt about outdoor suitability for your specific use, call us before booking.

No verified waterproof or IP rating has been confirmed for this unit — we do not claim waterproofing. Keep it covered and dry. Do not leave it exposed to direct rain, spray or standing water. For outdoor use, always position it under shelter and on a raised dry surface.

Not in direct rain without cover. Position the transformer under a covered area — a canopy, temporary shelter or inside a dry building section. Never allow rain to fall directly onto the transformer or connected leads. Keep all connections dry.

Possibly — but you need to confirm compatibility before connecting. If your generator outputs stable 230–240V AC single phase at a suitable amperage, the transformer can be powered from it. Check the generator’s output specification and the transformer’s input requirements. If your generator already has 110V CTE outlets, you may not need a separate transformer at all. Call us to confirm before booking.

A transformer converts voltage — it takes existing mains power (or generator output) and steps it down from 240V to 110V. It does not generate electricity. A generator produces electricity from an engine (petrol, diesel or LPG). A transformer needs an existing 240V power source to work. If you have no mains power on site, you need a generator first — then potentially a transformer if your tools require 110V.

Possibly, depending on site layout. If your 110V tools or lights are positioned away from the transformer, you will need a 110V site-rated extension lead. Do not use domestic 240V extension leads with 110V equipment. Confirm lead length and socket type requirements before arriving on site.

No. Domestic extension leads are 240V and use standard 3-pin plugs — they are incompatible with 110V CTE sockets and are not rated for site current distribution. Use 110V site-rated extension leads with the correct yellow round-pin connectors for all 110V equipment.

Before connecting: (1) Check every tool’s nameplate wattage. (2) Add up total wattage — must stay within 3kVA. (3) Confirm all tools have the correct 110V CTE plug. (4) Position the transformer on a dry, stable surface away from water. (5) Keep ventilation slots clear. (6) Use 110V site-rated extension leads only. (7) Follow your site’s electrical safety rules. If any check fails, do not connect — call us first.

Yes. Hireload’s depot is in Greenford UB6. Self-collection is available — confirm availability and your collection slot when booking. Collection is typically the simplest and quickest option if you can transport the unit yourself.

Yes. Hireload delivers across all London boroughs. Delivery is kerbside — to the nearest safe point for the vehicle. Delivery slots are scheduled at booking. Check the product page for current availability and pricing, or call 020 3375 4048 to confirm a slot.

Live pricing is shown on the product page (from £4.20 + VAT for short hires). For longer hire periods or project pricing, call 020 3375 4048 or email info@hireload.co.uk.

Add the transformer to your cart on this product page and choose your delivery or collection date. Alternatively, call 020 3375 4048 or email info@hireload.co.uk to book directly and confirm availability. If you are also hiring 110V tools or lights, add this transformer at checkout for a single booking.

Depending on your job: 110V site lights (tripod site light or twin-head floodlight for all-day lighting), 110V fan heater (for continuous heating — transformer used at full capacity), or the 5kVA transformer if your combined tool load may exceed 3kVA. Browse the related products section above for verified live links, or call us to plan the right equipment combination for your job.

Call 020 3375 4048 or email info@hireload.co.uk before booking. Tell us what equipment you want to run — the wattage, voltage and plug type if known — and we can confirm suitability. Do not connect equipment you are unsure about. Getting it wrong wastes time on site and risks equipment damage.

Hiring avoids the upfront purchase cost, storage between jobs and the commitment to a single unit when your power requirements may vary. For one-off jobs, refurb projects or occasional site use, hiring is typically more cost-effective than buying. You also get the correct transformer size for each job rather than compromising with one owned unit.