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...

Showing 1-20 of 45 products

Filter

Sort

Filter

Sort

RS PRO Enclosed 1000 VA Auto-Transformer, 240 V ac Primary, 115 V ac Secondary
RS Stock No.504-183BrandRS PROHSN Code85041080

SR 753.25

SR 753.25 Each (ex VAT)

Add to basket
RS Pro
240 V ac
115 V ac
Enclosed
Wall
Terminal Block
-
-
1000VA
105°C
78mm
AS/NZS 61558.1, AS/NZS 61558.2.13, CE, IEC/BS/EN 61558-1, IEC/BS/EN 61558-2-13, RoHS
-
65mm
8.8kg
192mm
RS PRO 1000 VA
RS PRO 1000 VA
Add to parts list
RS Stock No.504-199BrandRS PROHSN Code85041080

SR 1,139.65

SR 1,139.65 Each (ex VAT)

Add to basket
RS Pro
-
-
-
-
-
-
-
1000VA
-
-
-
-
-
-
192mm
RS PRO 1000 VA
RS PRO 1000 VA
Add to parts list
RS Stock No.504-195BrandRS PROHSN Code85041080

SR 1,794.00

SR 1,794.00 Each (ex VAT)

Add to basket
RS Pro
-
-
-
-
-
-
-
1000VA
-
-
-
-
-
-
192mm
RS PRO 1000 VA
RS PRO 1000 VA
Add to parts list
RS Stock No.504-202BrandRS PROHSN Code85041080

SR 660.10

SR 660.10 Each (ex VAT)

Add to basket
RS Pro
-
-
-
-
-
-
-
1000VA
-
-
-
-
-
-
192mm
RS PRO 1000 VA
RS PRO 1000 VA
Add to parts list
RS Stock No.504-189BrandRS PROHSN Code85041080

SR 900.45

SR 900.45 Each (ex VAT)

Add to basket
RS Pro
-
-
-
-
-
-
-
1000VA
-
-
-
-
-
-
192mm

SR 2,735.85

SR 2,735.85 Each (ex VAT)

Add to basket
RS Pro
220 V ac, 230 V ac, 240 V ac
115 V ac
Enclosed
Chassis, Floor Standing, Wall
-
-
-
1kVA
105°C
137mm
RoHS
10
115mm
8.8kg
192mm
Carroll & Meynell DMC 2 kVA Auto-Transformer, 230 V ac Primary, 115 V ac Secondary
RS Stock No.347-6668BrandCarroll & MeynellManufacturers Part No.CM2000/A/USHSN Code85043180

SR 2,666.85

SR 2,666.85 Each (ex VAT)

Add to basket
Carroll & Meynell
230 V ac
115 V ac
DMC
-
-
-
-
2kVA
200°C
190mm
No
-
205mm
20kg
260mm
Block Enclosed Auto-Transformer, 230 V ac Primary, 220 V, 230 V ac, 115 V Secondary
RS Stock No.293-2678BrandBlockManufacturers Part No.AIM 5.0/2.5HSN Code85043180

SR 1,390.35

SR 1,390.35 Each (ex VAT)

Add to basket
Block
230 V ac
220 V, 230 V ac, 115 V
Enclosed
Panel
Screw
5A
Autotransformer For Adjustment of The Voltage On The Input and Output Sides
-
40°C
117mm
DIN EN 61558-2-13, IEC 61558-2-13, VDE 0570 part 2-13, EN 61558-2-13
AIM
223mm
5.00kg
97mm
Carroll & Meynell DMC 3 kVA Auto-Transformer, 230 V Primary, 114.1 V ac Secondary
RS Stock No.436-8883BrandCarroll & MeynellManufacturers Part No.CM3000/A/USHSN Code85043180

SR 2,748.50

SR 2,748.50 Each (ex VAT)

Add to basket
Carroll & Meynell
230 V
114.1 V ac
DMC
-
-
-
-
3kVA
140°C
190mm
No
-
205mm
20kg
260mm
Carroll & Meynell Encapsulated 1 kVA Auto-Transformer, 230 V ac Primary, 114.2 V ac Secondary
RS Stock No.347-6652BrandCarroll & MeynellManufacturers Part No.CM1000/A/USHSN Code85043180

SR 3,055.55

SR 3,055.55 Each (ex VAT)

Add to basket
Carroll & Meynell
230 V ac
114.2 V ac
Encapsulated
Surface
Plug-In
-
Step Down
1kVA
-
190mm
RoHS
CM
205mm
-
260mm
Carroll & Meynell 30 kVA Auto-Transformer, 380 V, 415 V, 400 V Primary, 380 V, 400 V, 415 V Secondary
RS Stock No.436-8877BrandCarroll & MeynellManufacturers Part No.CMA30K/FM0HSN Code85043300

SR 12,869.65

SR 12,869.65 Each (ex VAT)

Add to basket
Carroll & Meynell
380 V, 415 V, 400 V
380 V, 400 V, 415 V
-
-
-
-
-
30kVA
200°C
260mm
BSEN 61558-2-23
CMA
420mm
20kg
350mm
Carroll & Meynell Enclosed 10 kVA Auto-Transformer, 400 V, 415 V, 380 V Primary, 415 V, 400 V, 380 V Secondary
RS Stock No.436-8861BrandCarroll & MeynellManufacturers Part No.CMA10K/FM0HSN Code85043200

SR 9,697.95

SR 9,697.95 Each (ex VAT)

Add to basket
Carroll & Meynell
400 V, 415 V, 380 V
415 V, 400 V, 380 V
Enclosed
Floor Standing
-
-
-
10kVA
-
325mm
RoHS
-
420mm
-
270mm
Block Open Frame 2 kVA Auto-Transformer, 480 V, 500 V ac Primary, 400 V ac Secondary
RS Stock No.738-7806BrandBlockManufacturers Part No.AT3 2-48/50-4HSN Code85043180

SR 1,933.15

SR 1,933.15 Each (ex VAT)

Add to basket
Block
480 V, 500 V ac
400 V ac
Open Frame
Wall, Floor Standing, Chassis
Screw
-
-
2kVA
40°C
155mm
No
AT3
155mm
6.1kg
110mm
Block Open Type 1000 VA Auto-Transformer, 380 V, 415 V Primary, 3 x 400 V Secondary
RS Stock No.738-7852BrandBlockManufacturers Part No.AT3 10-38/42-4HSN Code85043180

SR 2,268.95

SR 2,268.95 Each (ex VAT)

Add to basket
Block
380 V, 415 V
3 x 400 V
Open Type
Bracket
Screw
-
-
1000VA
40°C
-
DIN EN 61558-2-13, UL 506, C-UL-US, CSA 22.2, IEC 61558-2-13, VDE 0570 part 2-13, VDE 0532
-
-
7.00kg
22mm
Block Open Frame 15 kVA Auto-Transformer, 460 V ac, 440 V Primary, 400 V ac Secondary
RS Stock No.738-7880BrandBlockManufacturers Part No.AT3 15-44/46-4HSN Code85043180

SR 4,497.65

SR 4,497.65 Each (ex VAT)

Add to basket
Block
460 V ac, 440 V
400 V ac
Open Frame
Wall, Chassis, Floor Standing
Screw
-
-
15kVA
40°C
215mm
C-UL-US
-
267mm
20.10kg
150mm
Block Open Frame 3.5 kVA Auto-Transformer, 208 V ac Primary, 400 V ac Secondary
RS Stock No.738-7812BrandBlockManufacturers Part No.AT3 3,5-20/21-4HSN Code85043180

SR 4,305.60

SR 4,305.60 Each (ex VAT)

Add to basket
Block
208 V ac
400 V ac
Open Frame
Wall, Floor Standing, Chassis
Screw
-
-
3.5kVA
40°C
220mm
No
AT3
267mm
20kg
150mm
Block Open Frame 3.5 kVA Auto-Transformer, 230 V ac, 220 V Primary, 400 V ac Secondary
RS Stock No.738-7821BrandBlockManufacturers Part No.AT3 3,5-22/23-4HSN Code85043180

SR 4,356.20

SR 4,356.20 Each (ex VAT)

Add to basket
Block
230 V ac, 220 V
400 V ac
Open Frame
Wall, Chassis, Floor Standing
Screw
-
-
3.5kVA
40°C
220mm
C-UL-US
-
267mm
20.70kg
150mm
Block Open Frame 10 kVA Auto-Transformer, 440 V, 460 V ac Primary, 400 V ac Secondary
RS Stock No.738-7856BrandBlockManufacturers Part No.AT3 10-44/46-4HSN Code85043180

SR 3,645.50

SR 3,645.50 Each (ex VAT)

Add to basket
Block
440 V, 460 V ac
400 V ac
Open Frame
Wall, Floor Standing, Chassis
Screw
-
-
10kVA
40°C
215mm
CSA 22.2, IEC 61558-2-13, VDE 0532, VDE 0570 part 2-13, C-UL-US, UL 506, DIN EN 61558-2-13
AT3 10-44/46-4
267mm
14.40kg
125mm
Block Open Frame 3.5 kVA Auto-Transformer, 3 x 440 V ac, 460 V ac Primary, 400 V ac Secondary
RS Stock No.738-7837BrandBlockManufacturers Part No.AT3 3,5-44/46-4HSN Code85043180

SR 2,119.45

SR 2,119.45 Each (ex VAT)

Add to basket
Block
3 x 440 V ac, 460 V ac
400 V ac
Open Frame
Wall, Chassis, Floor Standing
Screw
-
-
3.5kVA
40°C
155mm
VDE 0532, DIN EN 61558-2-13, C-UL-US, IEC 61558-2-13, CSA 22.2, UL 506, VDE 0570 part 2-13
AT3
155mm
6.10kg
110mm
Block Open Frame 3.5 kVA Auto-Transformer, 500 V ac, 480 V Primary, 400 V ac Secondary
RS Stock No.738-7830BrandBlockManufacturers Part No.AT3 3,5-48/50-4HSN Code85043180

SR 2,734.70

SR 2,734.70 Each (ex VAT)

Add to basket
Block
500 V ac, 480 V
400 V ac
Open Frame
Chassis, Floor Standing, Wall
Screw
-
-
3.5kVA
40°C
175mm
DIN EN 61558-2-13, CSA 22.2, VDE 0532, IEC 61558-2-13, C-UL-US, UL 506, VDE 0570 part 2-13
-
220mm
8.7kg
115mm