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Transformers

Transformers have a wide range of applications in both residential and industrial settings. An electrical transformer is used to supply electricity from one circuit to another by changing the magnetic field. Examples of transformers in use include charging batteries, air conditioning unit functionality, and power transmission from the power plant to the home.

Because transformers have so many unique applications, there are lots of different transformers to choose from. We stock many types here at RS to make browsing for the right one as straightforward as possible. Plus, we have products from leading brands in the industry too ensuring only high-quality and reliable products are available to you. This includes ABB, Carlo Gavazzi, Inc, Hammond Manufacturing and many more.

With over 8,000 individual products in our transformers collection, you may need a hand in finding the right one. Fortunately, our advanced filters make narrowing your search simple. Select using category, manufacturer, and in-stock items only.

Browse the full range of electrical power transformers below or read on to find out more about these devices and the different types available. Alternatively, you can get in touch with us with any pressing questions about the stock and our expert team will be happy to help.

What is a transformer?

A transformer's function is to step up or step down the electric voltage from a primary source to a secondary source. This is achieved by changing the ratio of coils on one side to the other, via a core, to either increase or decrease the total voltage.

There are various types of transformers that step up or step down the voltage from a power plant to buildings like houses, so that mains sockets are safe to use in the household. Failure to do this could result in fires or electrocution.

What transformer products are available?

Different devices and applications require their own type of electronic power transformers, and we stock plenty of transformer products and accessories here at RS. These include:

Industrial transformers

This transformer type is used to change the voltage of electricity whilst keeping the electrical power the same. These can be used in medical equipment or to supply power to train lines.

Current transformer

A current transformer is an instrument used to measure the primary electricity source's high voltage and reduce it to a measurable voltage amount. This type of transformer is typically used to step down electricity to ensure devices are safe to use.

Audio transformers

Electrical power transformers can change the voltage of amplifiers to match that of speakers. They can either increase or decrease the voltage to a safe level for use.

Variable transformers

This electronic current transformer can give out different amounts of voltage from the same input. Variable transformers are a type of autotransformer which means it doesn't have a dual-coil core. Instead, it has a dial which allows them to be used for tasks like dimming lights.

Transformer parts and accessories

Our parts and accessories make using transformers easier and safer. We stock anything from finger guard terminal covers to fuse kits to support your projects and solutions.

What are the benefits of using transformers?

Transformers are a critical component in electrical functions. The benefits of using them include:

  • Controlling and stabilizing voltage
  • Efficiency
  • Low maintenance
  • No moving parts which means energy loss will be kept to a minimum

What to consider when choosing your transformers?

Selecting the right transformers is vital to your safety and your device's functionality. That's why you must consider the following when choosing an electronic transformer from us:

  • Where will the transformer be placed?
  • What will the transformer be doing?
  • What size is needed?
  • What level of protection is needed?
  • Will the transformer be easily accessible?
  • What accessories are needed for the operation?
  • Does it adhere to local regulations?

Why choose RS as your transformer supplier?

Without the correct transformer, you won't get the most out of your devices, and we stock all the different types you'll need for unique applications. You'll find various electronic transformers with low or high voltages in our stock from 12V to 105V all the way up to 2000kVA. So, no matter the size of your project, you can find the right item to power it correctly.

What's more, we're also one of the largest distributors in North America which means we offer efficient ordering and shipping, so you keep downtime to a minimum whilst you wait for your order.

If you need help with your electronics at any time then check out our expert advice hub for articles and guides.

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RS PRO 6719202
Mfr. Part #: 6719202
RS Stk #: 70647124
In Stock: 1104
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Stancor P-8671
Mfr. Part #: P-8671
RS Stk #: 70213278
In Stock: 5
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RS PRO 1226712
Mfr. Part #: 1226712
RS Stk #: 71751890
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RS PRO 6719208
Mfr. Part #: 6719208
RS Stk #: 70647126
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10 $0.94 /ea
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RS PRO 6719214
Mfr. Part #: 6719214
RS Stk #: 70647128
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RS PRO 6719218
Mfr. Part #: 6719218
RS Stk #: 70647129
In Stock: 2300
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RS PRO 6719069
Mfr. Part #: 6719069
RS Stk #: 70647087
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RS PRO 6719053
Mfr. Part #: 6719053
RS Stk #: 70647083
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+3 $18.59 /ea
+10 $16.72 /ea
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RS PRO 6719066
Mfr. Part #: 6719066
RS Stk #: 70647086
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RS PRO 6719062
Mfr. Part #: 6719062
RS Stk #: 70647085
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RS PRO 6719075
Mfr. Part #: 6719075
RS Stk #: 70647089
In Stock: 1
+1 $19.99 /ea
+3 $19.03 /ea
+10 $17.15 /ea
+25 $16.19 /ea
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RS PRO 6719090
Mfr. Part #: 6719090
RS Stk #: 70647094
In Stock: 3
+1 $28.08 /ea
+3 $26.68 /ea
+10 $25.36 /ea
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RS PRO 6719088
Mfr. Part #: 6719088
RS Stk #: 70647093
In Stock: 2
1 $28.89 /ea
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RS PRO 6719094
Mfr. Part #: 6719094
RS Stk #: 70647095
In Stock: 2
1 $22.63 /ea
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RS PRO 6719104
Mfr. Part #: 6719104
RS Stk #: 70647098
In Stock: 3
+1 $22.03 /ea
+3 $20.97 /ea
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+25 $17.85 /ea
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RS PRO 6719126
Mfr. Part #: 6719126
RS Stk #: 70647102
In Stock: 1
+1 $34.50 /ea
+5 $32.87 /ea
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RS PRO 6719132
Mfr. Part #: 6719132
RS Stk #: 70647104
In Stock: 3
+1 $39.00 /ea
+5 $37.05 /ea
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RS PRO 6719148
Mfr. Part #: 6719148
RS Stk #: 70647108
In Stock: 2
+1 $54.99 /ea
+10 $52.25 /ea
+50 $49.65 /ea
+100 $47.15 /ea
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RS PRO 6719145
Mfr. Part #: 6719145
RS Stk #: 70647107
In Stock: 25
1 $36.28 /ea
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RS PRO 6719151
Mfr. Part #: 6719151
RS Stk #: 70647109
In Stock: 4
+1 $69.99 /ea
+10 $66.49 /ea
+50 $63.15 /ea
+100 $59.99 /ea
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In Stock: 1104
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1 $160.09 /ea
In Stock: 30
Min Qty: 10
Mult Of: 10
10 $0.94 /ea
In Stock: 160
On Order: 80
Min Qty: 10
Mult Of: 10
+10 $0.51109 /ea
+20 $0.45147 /ea
+50 $0.42591 /ea
+100 $0.38332 /ea
In Stock: 2300
Min Qty: 10
Mult Of: 10
10 $0.41 /ea
In Stock: 1
+1 $24.99 /ea
+10 $23.75 /ea
+50 $22.55 /ea
+100 $21.45 /ea
In Stock: 2
+1 $19.52 /ea
+3 $18.59 /ea
+10 $16.72 /ea
+25 $15.81 /ea
In Stock: 5
+1 $23.19 /ea
+3 $22.07 /ea
+10 $19.86 /ea
In Stock: 2
+1 $20.88 /ea
+3 $19.88 /ea
+10 $17.87 /ea
+20 $16.89 /ea
In Stock: 1
+1 $19.99 /ea
+3 $19.03 /ea
+10 $17.15 /ea
+25 $16.19 /ea
In Stock: 3
+1 $28.08 /ea
+3 $26.68 /ea
+10 $25.36 /ea
In Stock: 2
1 $28.89 /ea
In Stock: 2
1 $22.63 /ea
In Stock: 3
+1 $22.03 /ea
+3 $20.97 /ea
+10 $18.88 /ea
+25 $17.85 /ea
In Stock: 1
+1 $34.50 /ea
+5 $32.87 /ea
In Stock: 3
+1 $39.00 /ea
+5 $37.05 /ea
In Stock: 2
+1 $54.99 /ea
+10 $52.25 /ea
+50 $49.65 /ea
+100 $47.15 /ea
In Stock: 25
1 $36.28 /ea
In Stock: 4
+1 $69.99 /ea
+10 $66.49 /ea
+50 $63.15 /ea
+100 $59.99 /ea
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