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Autotransformers

An autotransformer, also known as a step-down transformer, is an electrical transformer with only one winding. The winding has at least 3 taps where electrical connections are made. Autotransformers have the benefit of being small, light and cheap compared to dual-winding transformers.

Autotransformers are used to step up or step down voltages in the 110V-115V-120V range and 220V-230V-240...

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RS PRO 100VA Enclosed Autotransformer, 220 V ac, 230 V ac, 240 V ac Primary, 115V ac Secondary
RS PRO 100VA Enclosed Autotransformer, 220 V ac, 230 V ac, 240 V ac Primary, 115V ac Secondary
Lisada osade nimekirja
RS tootekood: 504-183Bränd: RS PRO

€ 142,74

€ 142,74 tk (ilma käibemaksuta)

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1€ 142,74
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RS Pro
220 V ac, 230 V ac, 240 V ac
115V ac
100VA
Enclosed
Chassis Mount, Floor Standing, Wall Mount
-
-
65mm
65 x 115 x 78mm
115mm
78mm
0.934
-
EN 61558
-
RS PRO 250VA Enclosed Autotransformer, 220 V ac, 230 V ac, 240 V ac Primary, 115V ac Secondary
RS PRO 250VA Enclosed Autotransformer, 220 V ac, 230 V ac, 240 V ac Primary, 115V ac Secondary
Lisada osade nimekirja
RS tootekood: 504-199Bränd: RS PRO

€ 215,94

€ 215,94 tk (ilma käibemaksuta)

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1€ 215,94
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RS Pro
220 V ac, 230 V ac, 240 V ac
115V ac
250VA
Enclosed
Chassis Mount, Floor Standing, Wall Mount
-
-
81mm
81 x 136 x 100mm
136mm
100mm
0.947
-
EN 61558
-
RS PRO 500VA Enclosed Autotransformer, 220 V ac, 230 V ac, 240 V ac Primary, 115V ac Secondary
RS PRO 500VA Enclosed Autotransformer, 220 V ac, 230 V ac, 240 V ac Primary, 115V ac Secondary
Lisada osade nimekirja
RS tootekood: 504-195Bränd: RS PRO

€ 298,90

€ 298,90 tk (ilma käibemaksuta)

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1€ 298,90
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RS Pro
220 V ac, 230 V ac, 240 V ac
115V ac
500VA
Enclosed
Chassis Mount, Floor Standing, Wall Mount
-
-
98mm
98 x 145 x 118mm
145mm
118mm
0.958
-
EN 61558
-
RS PRO 50VA Enclosed Autotransformer, 230V ac Primary, 115V ac Secondary
RS PRO 50VA Enclosed Autotransformer, 230V ac Primary, 115V ac Secondary
Lisada osade nimekirja
RS tootekood: 504-202Bränd: RS PRO

€ 124,44

€ 124,44 tk (ilma käibemaksuta)

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1€ 124,44
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RS Pro
230V ac
115V ac
50VA
Enclosed
Chassis Mount, Floor Standing, Wall Mount
-
-
58mm
58 x 63 x 70mm
63mm
70mm
0.922
-
EN 61558
-
RS PRO 150VA Enclosed Autotransformer, 220 V ac, 230 V ac, 240 V ac Primary, 115V ac Secondary
RS PRO 150VA Enclosed Autotransformer, 220 V ac, 230 V ac, 240 V ac Primary, 115V ac Secondary
Lisada osade nimekirja
RS tootekood: 504-189Bränd: RS PRO

€ 170,80

€ 170,80 tk (ilma käibemaksuta)

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1€ 170,80
Lisa ostukorvi
RS Pro
220 V ac, 230 V ac, 240 V ac
115V ac
150VA
Enclosed
Chassis Mount, Floor Standing, Wall Mount
-
-
73mm
73 x 120 x 89mm
120mm
89mm
0.942
-
EN 61558
-
RS PRO 1kVA Enclosed Autotransformer, 220 V ac, 230 V ac, 240 V ac Primary, 115V ac Secondary
RS PRO 1kVA Enclosed Autotransformer, 220 V ac, 230 V ac, 240 V ac Primary, 115V ac Secondary
Lisada osade nimekirja
RS tootekood: 504-206Bränd: RS PRO

€ 518,50

€ 518,50 tk (ilma käibemaksuta)

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1€ 518,50
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RS Pro
220 V ac, 230 V ac, 240 V ac
115V ac
1kVA
Enclosed
Chassis Mount, Floor Standing, Wall Mount
-
-
115mm
115 x 192 x 137mm
192mm
137mm
0.96
-
EN 61558
-
Siemens 200VA Autotransformer, 400 → 230V ac Primary
Siemens 200VA Autotransformer, 400 → 230V ac Primary
Lisada osade nimekirja
RS tootekood: 144-142Bränd: SiemensTootja Part nr.: 3KC9824-1

€ 738,10

€ 738,10 tk (ilma käibemaksuta)

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Saadaval mitmekordselt 1
1€ 738,10
Lisa ostukorvi
Siemens
400 → 230V ac
-
200VA
-
-
-
-
-
-
-
-
-
-
-
-
Siemens 400VA Autotransformer, 400 → 230V ac Primary
Siemens 400VA Autotransformer, 400 → 230V ac Primary
Lisada osade nimekirja
RS tootekood: 143-934Bränd: SiemensTootja Part nr.: 3KC9624-1

€ 866,20

€ 866,20 tk (ilma käibemaksuta)

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1€ 866,20
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Siemens
400 → 230V ac
-
400VA
-
-
-
-
-
-
-
-
-
-
-
-
Tufvassons Transformator 460VA Autotransformer, 115V Primary, 230V Secondary
Tufvassons Transformator 460VA Autotransformer, 115V Primary, 230V Secondary
Lisada osade nimekirja
RS tootekood: 288-3517Bränd: Tufvassons TransformatorTootja Part nr.: PFEA460 115/230V

€ 372,10

€ 372,10 tk (ilma käibemaksuta)

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1€ 372,10
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Tufvassons Transformator
115V
230V
460VA
-
-
-
-
-
-
-
-
-
-
-
-
Carroll & Meynell 2kVA Autotransformer, 230V ac Primary, 115V ac Secondary, Bobbin Core
Carroll & Meynell 2kVA Autotransformer, 230V ac Primary, 115V ac Secondary, Bobbin Core
Lisada osade nimekirja
RS tootekood: 347-6668Bränd: Carroll & MeynellTootja Part nr.: CM2000/A/US

€ 501,42

€ 501,42 tk (ilma käibemaksuta)

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1€ 501,42
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Carroll & Meynell
230V ac
115V ac
2kVA
-
-
Bobbin
-
205mm
205 x 195 x 260mm
260mm
190mm
-
-
-
-
Block Enclosed Autotransformer, 115 V ac, 230 V ac Primary, 115 V ac, 220 V ac, 230 V ac Secondary
Block Enclosed Autotransformer, 115 V ac, 230 V ac Primary, 115 V ac, 220 V ac, 230 V ac Secondary
Lisada osade nimekirja
RS tootekood: 293-2678Bränd: BlockTootja Part nr.: AIM 5.0/2.5

€ 214,72

€ 214,72 tk (ilma käibemaksuta)

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1€ 214,72
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Block
115 V ac, 230 V ac
115 V ac, 220 V ac, 230 V ac
-
Enclosed
Panel Mount
-
Screw
223mm
223 x 97 x 117mm
97mm
117mm
-
-
-
2.5 A, 5.0 A
Carroll & Meynell 3kVA Autotransformer, 230V Primary, 114.1V ac Secondary, Bobbin Core
Carroll & Meynell 3kVA Autotransformer, 230V Primary, 114.1V ac Secondary, Bobbin Core
Lisada osade nimekirja
RS tootekood: 436-8883Bränd: Carroll & MeynellTootja Part nr.: CM3000/A/US

€ 516,06

€ 516,06 tk (ilma käibemaksuta)

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1€ 516,06
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Carroll & Meynell
230V
114.1V ac
3kVA
-
-
Bobbin
-
205mm
205 x 195 x 260mm
260mm
190mm
-
-
-
-
Carroll & Meynell 1kVA Autotransformer, 230V ac Primary, 114.2V ac Secondary, Bobbin Core
Carroll & Meynell 1kVA Autotransformer, 230V ac Primary, 114.2V ac Secondary, Bobbin Core
Lisada osade nimekirja
RS tootekood: 347-6652Bränd: Carroll & MeynellTootja Part nr.: CM1000/A/US

€ 463,60

€ 463,60 tk (ilma käibemaksuta)

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1€ 463,60
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Carroll & Meynell
230V ac
114.2V ac
1kVA
-
-
Bobbin
-
205mm
205 x 195 x 260mm
260mm
190mm
-
Thermal Cutout
-
-
Carroll & Meynell 30kVA Autotransformer, 380 V, 400 V, 415 V Primary, 380 V, 400 V, 415 V Secondary, Bobbin Core
Carroll & Meynell 30kVA Autotransformer, 380 V, 400 V, 415 V Primary, 380 V, 400 V, 415 V Secondary, Bobbin Core
Lisada osade nimekirja
RS tootekood: 436-8877Bränd: Carroll & MeynellTootja Part nr.: CMA30K/FM0

€ 2 196,00

€ 2 196,00 tk (ilma käibemaksuta)

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1€ 2 196,00
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Carroll & Meynell
380 V, 400 V, 415 V
380 V, 400 V, 415 V
30kVA
-
-
Bobbin
-
420mm
420 x 350 x 260mm
350mm
260mm
-
-
-
-
Carroll & Meynell 10kVA Enclosed Autotransformer, 380 V, 400 V, 415 V Primary, 380 V, 400 V, 415 V Secondary
Carroll & Meynell 10kVA Enclosed Autotransformer, 380 V, 400 V, 415 V Primary, 380 V, 400 V, 415 V Secondary
Lisada osade nimekirja
RS tootekood: 436-8861Bränd: Carroll & MeynellTootja Part nr.: CMA10K/FM0

€ 1 647,00

€ 1 647,00 tk (ilma käibemaksuta)

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1€ 1 647,00
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Carroll & Meynell
380 V, 400 V, 415 V
380 V, 400 V, 415 V
10kVA
Enclosed
Floor Standing
-
-
420mm
420 x 270 x 325mm
270mm
325mm
-
-
-
-
Block 2kVA Open Frame Autotransformer, 480 V ac, 500 V ac Primary, 400 V ac Secondary, 3 UI 75/41,5 Core
Block 2kVA Open Frame Autotransformer, 480 V ac, 500 V ac Primary, 400 V ac Secondary, 3 UI 75/41,5 Core
Lisada osade nimekirja
RS tootekood: 738-7806Bränd: BlockTootja Part nr.: AT3 2-48/50-4

€ 331,84

€ 331,84 tk (ilma käibemaksuta)

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1€ 331,84
Lisa ostukorvi
Block
480 V ac, 500 V ac
400 V ac
2kVA
Open Frame
Chassis Mount, Floor Standing, Wall Mount
3 UI 75/41,5
Screw
155mm
155 x 110 x 155mm
110mm
155mm
-
-
-
-
Block 10kVA Open Frame Autotransformer, 380 V ac, 415 V ac Primary, 400 V ac Secondary, 3 UI 90/31,5 Core
Block 10kVA Open Frame Autotransformer, 380 V ac, 415 V ac Primary, 400 V ac Secondary, 3 UI 90/31,5 Core
Lisada osade nimekirja
RS tootekood: 738-7852Bränd: BlockTootja Part nr.: AT3 10-38/42-4

€ 361,12

€ 361,12 tk (ilma käibemaksuta)

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Saadaval mitmekordselt 1
1€ 361,12
Lisa ostukorvi
Block
380 V ac, 415 V ac
400 V ac
10kVA
Open Frame
Chassis Mount, Floor Standing, Wall Mount
3 UI 90/31,5
Screw
220mm
220 x 105 x 175mm
105mm
175mm
-
-
-
-
Block 15kVA Open Frame Autotransformer, 440 V ac, 460 V ac Primary, 400 V ac Secondary, 3 UI 114/64 Core
Block 15kVA Open Frame Autotransformer, 440 V ac, 460 V ac Primary, 400 V ac Secondary, 3 UI 114/64 Core
Lisada osade nimekirja
RS tootekood: 738-7880Bränd: BlockTootja Part nr.: AT3 15-44/46-4

€ 713,70

€ 713,70 tk (ilma käibemaksuta)

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1

Saadaval mitmekordselt 1
1€ 713,70
Lisa ostukorvi
Block
440 V ac, 460 V ac
400 V ac
15kVA
Open Frame
Chassis Mount, Floor Standing, Wall Mount
3 UI 114/64
Screw
267mm
267 x 150 x 215mm
150mm
215mm
-
-
-
-
Block 3.5kVA Open Frame Autotransformer, 200 V ac, 208 V ac Primary, 400 V ac Secondary, 3 UI 114/64 Core
Block 3.5kVA Open Frame Autotransformer, 200 V ac, 208 V ac Primary, 400 V ac Secondary, 3 UI 114/64 Core
Lisada osade nimekirja
RS tootekood: 738-7812Bränd: BlockTootja Part nr.: AT3 3,5-20/21-4

€ 677,10

€ 677,10 tk (ilma käibemaksuta)

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1

Saadaval mitmekordselt 1
1€ 677,10
Lisa ostukorvi
Block
200 V ac, 208 V ac
400 V ac
3.5kVA
Open Frame
Chassis Mount, Floor Standing, Wall Mount
3 UI 114/64
Screw
267mm
267 x 150 x 220mm
150mm
220mm
-
-
-
-
Block 3.5kVA Open Frame Autotransformer, 220 V ac, 230 V ac Primary, 400 V ac Secondary, 3 UI 114/64 Core
Block 3.5kVA Open Frame Autotransformer, 220 V ac, 230 V ac Primary, 400 V ac Secondary, 3 UI 114/64 Core
Lisada osade nimekirja
RS tootekood: 738-7821Bränd: BlockTootja Part nr.: AT3 3,5-22/23-4

€ 701,50

€ 701,50 tk (ilma käibemaksuta)

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1

Saadaval mitmekordselt 1
1€ 701,50
Lisa ostukorvi
Block
220 V ac, 230 V ac
400 V ac
3.5kVA
Open Frame
Chassis Mount, Floor Standing, Wall Mount
3 UI 114/64
Screw
267mm
267 x 150 x 220mm
150mm
220mm
-
-
-
-