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. 122-6719
BrandRS PRO
$268.99
Each
units
230V ac 110 (55V-0V-55V)V 600VA - 1 x 16A - - BS EN 60309 - 74mm 223mm 160mm 74 x 223 x 160mm Stand Alone
RS Stock No. 123-7378
BrandRS PRO
$279.60
Each
units
230V ac 24V 200VA - - - - BS EN 60309 - 197mm 162mm 194mm 197 x 162 x 194mm Wall Mount
RS Stock No. 123-7380
BrandRS PRO
$230.27
Each
units
230V ac 110V 750VA - - - - - - 220mm 152mm 223mm 220 x 152 x 223mm Wall Mount
RS Stock No. 122-6715
BrandRS PRO
$422.94
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. 123-7382
BrandRS PRO
$106.61
Each
units
110 (55-0-55)V 4 x 110V - - - - BS EN 60309 BS EN 60309 - - - - - Portable
RS Stock No. 122-6706
BrandRS PRO
$404.13
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
RS Stock No. 812-9572
Mfr. Part No.CM3300/200/SU
$331.72
Each
units
110V ac 230V 3kVA - 2 x 16A CM3000 BS EN 60309 BS EN 60309 18kg 205mm 240mm 265mm 205 x 240 x 265mm Free Hanging
RS Stock No. 347-6674
Mfr. Part No.CM2250WM2/110/24
$603.41
Each
units
230V ac 24 V ac, ±55 V ac 1.2 kVA, 200 VA 1 10.2 A rms, 24 V ac CM2250WM2 Hard Wire L-N-E BS EN 60309 16kg 240mm 250mm 255mm 240 x 250 x 255mm Wall Mount
RS Stock No. 260-4345
Mfr. Part No.CM1500WM0
$400.36
Each
units
230V ac ±110V ac 750VA - 8.18A CM1500WM0 Hard Wire L-N-E - 10.5kg 200mm 176mm 226mm 200 x 176 x 226mm Wall Mount
RS Stock No. 347-6696
Mfr. Part No.EOU 4F
$111.40
Each
units
110V ac 110V ac - - 16A EOU 4F BS EN 60309 BS EN 60309 2.5kg 225mm 225mm 210mm 225 x 210 x 230mm Free Standing
RS Stock No. 436-9814
Mfr. Part No.TIM800
BrandBlock
$200.13
Each
units
230V ac 115V ac 800VA - 3.47A TIM - - 15.6kg - 165mm 200mm - Chassis Mount
RS Stock No. 260-4834
Mfr. Part No.CM3300WM2
$540.17
Each
units
230V ac ±110V ac 1.65kVA - 15A CM3300WM2 Hard Wire L-N-E BS EN 60309 18kg 240mm 255mm 240mm 240 x 250 x 255mm Wall Mount
RS Stock No. 436-9808
Mfr. Part No.TIM500
BrandBlock
$192.57
Each
units
230V ac 115V ac 500VA - 2.17A TIM - - 9.1kg - 150mm 176mm - Chassis Mount
RS Stock No. 436-9836
Mfr. Part No.TIM1000
BrandBlock
$244.67
Each
units
230V ac 115V ac 1kVA - 4.35A TIM - - 17.1kg - 165mm 200mm - Chassis Mount
RS Stock No. 310-2193
Mfr. Part No.ILT 200/24/2
$434.23
Each
units
230V ac 24V ac 200VA 1 8.3A ILT Hard Wire L-N-E BS EN 60309 5.2kg 180mm 180mm 180mm 180 x 180 x 200mm Wall Mount
RS Stock No. 812-9590
Mfr. Part No.EOU2X32/GRP
$110.81
Each
units
110V ac 110V ac - - 32A EOU BS EN 60309 BS EN 60309 - - - - - Free Standing
RS Stock No. 260-4351
Mfr. Part No.CM1500WM2
$474.11
Each
units
230V ac ±110V ac 750VA - 8.18A CM1500WM2 Hard Wire L-N-E BS EN 60309 10.5kg 200mm 230mm 230mm 200 x 230 x 230mm Wall Mount
RS Stock No. 260-4367
Mfr. Part No.CM3300WM0
$631.35
Each
units
230V ac ±110V ac 1.65kVA - 15A CM3300WM0 Hard Wire L-N-E - 18kg 240mm 200mm 255mm 240 x 200 x 255mm Wall Mount
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