Red Arrow TRAN3 Transformer with 2x16A Sockets

Red Arrow TRAN3 3.3kVA 110V Portable Site Transformer with Twin 16A Sockets

The Red Arrow TRAN3 3.3kVA Portable Site Transformer is a heavy-duty 230V to 110V step-down transformer designed for electricians, builders, contractors and tradespeople using compatible 110V power tools, site lighting and construction equipment.

Built specifically for professional work-site environments, the TRAN3 converts a standard 230V AC supply into 110V site power and provides two 16A 110V socket outlets, making it a practical power solution for tools and temporary lighting where a lower-voltage site supply is required.

With a 3.3kVA intermittent rating and 1.65kVA continuous rating, the Red Arrow TRAN3 is particularly suitable for portable power-tool applications and lower continuous electrical loads.

3.3kVA Transformer for 110V Site Equipment

The TRAN3 is rated at 3.3kVA for intermittent operation, giving contractors the capacity required for many common 110V construction tools.

This makes it relevant for compatible equipment such as:

drills, grinders, saws, mixers, breakers, temporary LED lighting and other 110V site equipment.

For customers searching for a 3.3kVA site transformer, transformer for 110V tools, builders transformer or portable construction transformer, the TRAN3 directly addresses that requirement.

Important 1.65kVA Continuous Rating

One of the most important specifications for customers to understand is the difference between the 3.3kVA intermittent rating and the 1.65kVA continuous rating.

Red Arrow specifies the TRAN3 at:

3.3kVA rated output
1.65kVA continuous output

The higher rating is intended for intermittent loads, particularly power tools that are not operating continuously at full demand.

For equipment that will remain powered for extended periods, such as site lighting, the 1.65kVA continuous rating is the more important figure when calculating the connected load.

30-Minute Intermittent Duty

Red Arrow specifies a 30-minute intermittent duty cycle for its portable site transformers.

This makes the TRAN3 particularly appropriate for power-tool applications where equipment is switched on during active work and then allowed periods of lower load or rest.

This distinction is especially useful for customers asking:

“Can a 3.3kVA transformer run continuously?”

The TRAN3 should be selected according to its stated duty rating rather than treating 3.3kVA as the permanent continuous output.

230V Input to 110V Output

The Red Arrow TRAN3 accepts a 230V AC 50Hz input and supplies 110V power through the two output sockets.

This makes it useful where contractors have access to a standard UK mains supply but need to power compatible 110V construction equipment.

Strong related searches include:

230V to 110V site transformer
240V to 110V transformer
110V step-down transformer
UK site transformer
110V power tool transformer

Twin 110V 16A Output Sockets

The TRAN3 includes two 110V 16A industrial outlets.

This twin-socket arrangement allows more than one compatible device to be connected, provided the combined electrical load and start-up demand remain within the transformer's operating limits.

For electricians and builders, this can be useful when running a suitable tool alongside site lighting or when two lower-powered devices are required in the same working area.

Ideal Transformer for 110V Power Tools

One of the strongest customer searches for TRAN3 is likely to be “transformer for 110V power tools”.

The Red Arrow specification specifically identifies the transformer as suitable for intermittent power-tool use.

This makes it appropriate for many compatible professional tools used by:

electricians
builders
joiners
plasterers
decorators
maintenance engineers
construction contractors

Always check the individual tool's rated power and starting current before selecting the transformer.

Suitable for 110V Site Lighting

Red Arrow also identifies lower loads such as lighting as a suitable application.

The TRAN3 can therefore be used to supply appropriately designed systems incorporating compatible:

110V LED work lights
festoon lighting
site bulkheads
globe lights
A-frame lights
temporary construction lighting

For continuous lighting loads, the 1.65kVA continuous rating should be used when calculating the permissible total load.

Centre-Tapped-to-Earth Site Supply

The Red Arrow TRAN3 uses a centre-tapped-to-earth output.

This configuration is commonly associated with professional 110V construction-site electrical systems and is one of the key differences between a dedicated site transformer and a basic consumer voltage converter.

For trade buyers, including this terminology can also help the page rank for searches such as CTE 110V transformer and centre tapped earth site transformer.

Resettable Thermal Overload Protection

The TRAN3 incorporates resettable thermal overload protection.

If the transformer experiences excessive loading or temperature, the protection can operate to help protect the unit.

The cause of an overload should always be established before resetting the transformer and returning it to service.

Tough GRP Construction

The transformer is housed in a durable GRP enclosure designed to cope with regular movement and the demanding conditions found on construction sites.

An integrated carrying handle makes it easier to transport between rooms, vehicles and work areas.

IP44 Protection

The Red Arrow TRAN3 carries an IP44 rating, providing protection against solid objects larger than 1mm and splashing water.

This is useful for temporary construction environments, but IP44 should not be confused with a fully waterproof enclosure.

The transformer should always be positioned and operated in accordance with Red Arrow's installation instructions and suitable site electrical practices.

IK07 Impact Resistance

The IK07 impact rating provides additional resistance against physical knocks.

This is particularly valuable where the transformer may be regularly transported or positioned alongside tools and other construction equipment.

Supplied with BS 13A Mains Plug

Red Arrow supplies the TRAN3 pre-wired with a heavy-duty rubber cable and BS 13A mains plug.

This allows the unit to connect to a suitable standard 230V UK socket and then provide 110V through its twin industrial outlets.

16kg Portable Transformer

The TRAN3 weighs approximately 16kg.

While heavier than a small domestic transformer, the integrated carry handle allows it to remain portable enough for professional site use.

Red Arrow lists approximate dimensions of 265mm x 244mm x 212mm, giving it a relatively compact footprint for a 3.3kVA professional transformer.