Safety Site Transformers

Safety site transformers are often used with industrial and power tools. They provide the user with protection by isolating the tools from the main power supply to prevent overloading and minimise shock risk.

How do safety site transformers work?

The transformer consists of two coils of wire around an iron core. The incoming, or primary, coil converts the electric field into a magnetic one, inducing an electric field in second coil without actually touching it. The voltage can be stepped up or down by varying the number of turns in the coil. Safety site transformers can be used to step down UK mains voltage to, for example, 110V CTE (centre tap earthed) to limit the power of a potential electric shock.

Types of safety site transformers

Safety site transformers can have different input and output voltage ratings. As they're often used outside, they're designed with the appropriate socket fittings. They tend to be heavy duty, with strong lifting handles, to withstand harsh industrial or site conditions. They can also be free standing and portable, wall mounted or even hung, depending on your needs.


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Description Price Primary Voltage Rating Secondary Voltage Rating Power Rating Number of Phases Output Current Series Plug Type Socket Type Weight Length Width Depth Dimensions Mounting Type
RS Stock No. 436-9808
Mfr. Part No.TIM500
BrandBlock
£103.88
Each
Units
230V ac 115V ac 500VA - 2.17A TIM - - 9.1kg - 150mm 176mm - Chassis Mount
RS Stock No. 405-565
Mfr. Part No.ETTK 630
BrandBlock
£559.88
Each
Units
230V ac 230V ac 630VA 1 2.7A ETTK SCHUKO Schuko 16.4kg 230mm 120mm 300mm 230 x 120 x 300mm Portable
RS Stock No. 436-9836
Mfr. Part No.TIM1000
BrandBlock
£169.54
Each
Units
230V ac 115V ac 1kVA - 4.35A TIM - - 17.1kg - 165mm 200mm - Chassis Mount
RS Stock No. 436-9814
Mfr. Part No.TIM800
BrandBlock
£139.16
Each
Units
230V ac 115V ac 800VA - 3.47A TIM - - 15.6kg - 165mm 200mm - Chassis Mount
RS Stock No. 405-575
Mfr. Part No.ETTK 2500
BrandBlock
£1,159.20
Each
Units
230V ac 230V ac 2.5kVA 1 10.89A ETTK SCHUKO Schuko 39kg 225mm 170mm 340mm 225 x 170 x 340mm Portable
RS Stock No. 405-569
Mfr. Part No.ETTK 1600
BrandBlock
£927.54
Each
Units
230V ac 230V ac 1.6kVA 1 6.95A ETTK SCHUKO Schuko 35.8kg 225mm 170mm 340mm 225 x 170 x 340mm Portable
RS Stock No. 405-559
Mfr. Part No.ETTK 1000
BrandBlock
£684.03
Each
Units
230V ac 230V ac 1kVA 1 4.35A ETTK SCHUKO Schuko 210kg 230mm 140mm 300mm 230 x 140 x 300mm Portable