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. 123-7376
BrandRS PRO
MYR620.79
Each
units
230V ac 110V 750VA - - - BS 1363 BS EN 60309 10kg 195mm 195mm 265mm 195 x 195 x 265mm Portable
RS Stock No. 122-6705
BrandRS PRO
MYR661.66
Each
units
230V ac 110 (55V-0V-55V)V 3.3kVA - 2 x 16A - BS 1363 BS EN 60309 18kg 195mm 195mm 265mm 195 x 195 x 265mm Stand Alone
RS Stock No. 123-7383
BrandRS PRO
MYR765.11
Each
units
230V ac 230V 750VA - - - SCHUKO Schuko 12kg 195mm 195mm 265mm 195 x 195 x 265mm Portable
RS Stock No. 123-7381
BrandRS PRO
MYR733.01
Each
units
230V ac 230V 375VA - - - - Schuko 10kg 195mm 195mm 265mm 195 x 195 x 265mm Portable
RS Stock No. 122-6710
BrandRS PRO
MYR540.08
Each
units
230V ac 110 (55V-0V-55V)V 3kVA - 1 x 16 A, 1 x 32 A - BS 1363 BS EN 60309 18kg 195mm 195mm 265mm 195 x 195 x 265mm Stand Alone
RS Stock No. 122-6717
BrandRS PRO
MYR560.22
Each
units
230V ac 230V 750VA - 1 x 13A - - BS1363 10kg 195mm 195mm 265mm 195 x 195 x 265mm Stand Alone
RS Stock No. 122-6711
BrandRS PRO
MYR469.66
Each
units
230V ac 110 (55V-0V-55V)V 2.25kVA - 2 x 16A - BS 1363 BS EN 60309 16kg 195mm 195mm 265mm 195 x 195 x 265mm Stand Alone
RS Stock No. 123-7384
BrandRS PRO
MYR254.98
Each
units
230V ac 110V 500VA - - - BS 1363 BS EN 60309 11kg 195mm 195mm 265mm 195 x 195 x 265mm Portable
RS Stock No. 123-7378
BrandRS PRO
MYR981.65
Each
units
230V ac 24V 200VA - - - - BS EN 60309 - 197mm 162mm 194mm 197 x 162 x 194mm Wall Mount
RS Stock No. 123-7382
BrandRS PRO
MYR420.44
Each
units
110 (55-0-55)V 4 x 110V - - - - BS EN 60309 BS EN 60309 - - - - - Portable
RS Stock No. 122-6712
BrandRS PRO
MYR578.37
Each
units
110V 230V 3.3kVA - 2 x 16A - BS EN 60309 BS EN 60309 18kg 195mm 195mm 265mm 195 x 195 x 265mm Stand Alone
RS Stock No. 122-6721
BrandRS PRO
MYR906.90
Each
units
230V ac 230V 1.5kVA - 2 x 16A - SCHUKO Schuko 18kg 350mm 242mm 353mm 350 x 242 x 353mm Stand Alone
RS Stock No. 123-7377
BrandRS PRO
MYR2,635.69
Each
units
230V ac 110V 5kVA - - - - - - 460mm 310mm 325mm 460 x 310 x 325mm Floor Mount
RS Stock No. 122-6716
BrandRS PRO
MYR1,300.38
Each
units
230V ac 110 (55V-0V-55V)V 3kVA - 1 x 16 A, 1 x 32 A - BS 1363 BS EN 60309 18kg 195mm 195mm 265mm 195 x 195 x 265mm Stand Alone
RS Stock No. 122-6709
BrandRS PRO
MYR767.11
Each
units
230V ac 230V 1.5kVA - 2 x 13A - - BS1363 18kg 195mm 195mm 265mm 195 x 195 x 265mm Stand Alone
RS Stock No. 122-6715
BrandRS PRO
MYR1,256.06
Each
units
230V ac 110 (55V-0V-55V)V 1.65kVA - 2 x 16A - - BS EN 60309 - 270mm 180mm 244mm 270 x 180 x 244mm Wall Mount
RS Stock No. 123-7380
BrandRS PRO
MYR890.13
Each
units
230V ac 110V 750VA - - - - - - 220mm 152mm 223mm 220 x 152 x 223mm Wall Mount
RS Stock No. 122-6713
BrandRS PRO
MYR677.97
Each
units
230V ac 230V 1.5kVA - 2 x 13A - - BS1363 12kg 195mm 195mm 265mm 195 x 195 x 265mm Stand Alone
RS Stock No. 122-6708
BrandRS PRO
MYR926.59
Each
units
230V ac 110 (55V-0V-55V)V 4kVA - 2 x 16A - - BS EN 60309 30kg 315mm 305mm 280mm 315 x 305 x 280mm Stand Alone
RS Stock No. 122-6706
BrandRS PRO
MYR1,316.27
Each
units
230V ac 110 (55V-0V-55V)V 1.65kVA - 2 x 16A - - BS EN 60309 - 270mm 228mm 244mm 270 x 228 x 244mm Wall Mount