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Important changes for new registrations on the website

It is no longer possible to register as a new user on the Elfa Distrelec website. Please also note that from 18.05.2026 it will no longer be possible to shop on the Elfa Distrelec website. It will also no longer be possible to place orders via Elfa Distrelec’s Sales offices. You can already start ordering via the RS website, which is now available in Swedish. Find out more

Isolation Transformers

At Distrelec, we specialise in providing top quality isolation transformers, sourced from leading manufacturers such as Block, Schneider Electric, RS PRO, and Siemens.Our extensive selection is tailored to support a wide array of applications, emphasising electrical safety and efficiency for both commercial and personal projects.With a versatile range of sizes and termination types, our transformers are designed to suit various installation requirements and electrical configurations.
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New to us
Isolating Transformer 2x 115 VAC - 2x 24 VAC 50VA 304-05-710 504329Isolating Transformer 2x 115 VAC - 2x 24 VAC 50VA
SEK 493,80 (Exc. Vat)
Per piece
SEK 493,80
RS PRO2x 115 VAC2x 24 VAC50 VA50 Hz60 HzSolderingClamp MountIP00B79 mm62 mm65 mm--
New to us
Isolating Transformer 230 VAC / 415 VAC - 230 VAC 500VA 304-05-709 504228Isolating Transformer 230 VAC / 415 VAC - 230 VAC 500VA
SEK 2.648,58 (Exc. Vat)
Per piece
SEK 2.648,58
RS PRO230 VAC ...230 VAC500 VA50 Hz60 HzScrew TerminalChassis MountIP00B (130°C)143 mm120 mm130 mm--
New to us
Isolating Transformer 208 VAC / 600 VAC - 2x 115 VAC 400VA 304-05-198 1232502Isolating Transformer 208 VAC / 600 VAC - 2x 115 VAC 400VA
SEK 2.422,87 (Exc. Vat)
Per piece
SEK 2.422,87
RS PRO208 VAC ...2x 115 VAC400 VA50 Hz60 HzScrew TerminalChassis MountIP00B (130°C)120 mm104 mm118 mm--
New to us
Isolating Transformer 230 VAC / 400 VAC - 2x 115 VAC 160VA 304-05-073 8802592Isolating Transformer 230 VAC / 400 VAC - 2x 115 VAC 160VA
SEK 1.577,70 (Exc. Vat)
Per piece
SEK 1.577,70
RS PRO230 VAC ...2x 115 VAC160 VA50 Hz60 HzScrew TerminalDIN Rail MountIP21B (130°C)116 mm102 mm116 mm--
New to us
Control Panel Isolating Transformer 230 VAC / 400 VAC - 2x 115 VAC 100VA 304-05-071 8802508Control Panel Isolating Transformer 230 VAC / 400 VAC - 2x 115 VAC 100VA
SEK 1.290,08 (Exc. Vat)
Per piece
SEK 1.290,08
RS PRO230 VAC ...2x 115 VAC100 VA50 Hz60 HzScrew TerminalDIN Rail MountIP21B (130°C)106 mm90 mm107 mm--
New to us
Isolating Transformer 115 VAC - 24 VAC 72VA 304-04-904 7975948Isolating Transformer 115 VAC - 24 VAC 72VA
SEK 1.220,52 (Exc. Vat)
Per piece
SEK 1.220,52
RS PRO115 VAC24 VAC72 VA50 Hz60 HzScrew TerminalDIN Rail MountIP64B (130°C)89.5 mm82.5 mm82 mm3 A-
New to us
Isolating Transformer 230 VAC - 2x 12 VAC 16VA 304-04-872 7720704Isolating Transformer 230 VAC - 2x 12 VAC 16VA
SEK 1.141,06 (Exc. Vat)
Per piece
SEK 1.141,06
RS PRO230 VAC2x 12 VAC16 VA50 Hz60 HzScrew TerminalDIN Rail MountIP20B (130°C)58 mm52.5 mm86 mm--
New to us
Isolating Transformer 230 VAC - 2x 9 VAC 6VA 304-04-322 504690Isolating Transformer 230 VAC - 2x 9 VAC 6VA
SEK 294,25 (Exc. Vat)
Per piece
SEK 294,25
RS PRO230 VAC2x 9 VAC6 VA50 Hz60 HzSolderingChassis MountIP00B (130°C)45 mm40 mm40 mm--
New to us
Isolating Transformer 230 VAC / 400 VAC / 415 VAC - 230 VAC 200VA 304-04-316 504139Isolating Transformer 230 VAC / 400 VAC / 415 VAC - 230 VAC 200VA
SEK 1.942,66 (Exc. Vat)
Per piece
SEK 1.942,66
RS PRO230 VAC ...230 VAC200 VA50 Hz60 HzScrew TerminalChassis MountIP00B (130°C)108 mm114 mm110 mm--
New to us
Isolating Transformer 218 VAC - 24 VAC 20VA 304-03-874 1235700Isolating Transformer 218 VAC - 24 VAC 20VA
SEK 676,91 (Exc. Vat)
Per piece
SEK 676,91
RS PRO218 VAC24 VAC20 VA50 Hz60 HzScrew TerminalDIN Rail Mount ...IP21B (130°C)66 mm56 mm88 mm--
New to us
Isolating Transformer 230 VAC / 400 VAC - 2x 115 VAC 250VA 304-03-872 1234145Isolating Transformer 230 VAC / 400 VAC - 2x 115 VAC 250VA
SEK 1.771,66 (Exc. Vat)
Per piece
SEK 1.771,66
RS PRO230 VAC ...2x 115 VAC250 VA50 Hz60 HzScrew TerminalDIN Rail Mount ...IP00B (130°C)96 mm105 mm110 mm--
New to us
Isolating Transformer 230 VAC / 400 VAC - 2x 115 VAC 100VA 304-03-870 1234140Isolating Transformer 230 VAC / 400 VAC - 2x 115 VAC 100VA
SEK 1.307,15 (Exc. Vat)
Per piece
SEK 1.307,15
RS PRO230 VAC ...2x 115 VAC100 VA50 Hz60 HzScrew TerminalDIN Rail Mount ...IP00B (130°C)84 mm76 mm100 mm--
New to us
Isolating Transformer 2x 115 VAC - 2x 15 VAC 4VA 303-82-887 FL 4/15Isolating Transformer 2x 115 VAC - 2x 15 VAC 4VA
SEK 159,00 (Exc. Vat)
Per piece
SEK 159,00
Block2x 115 VAC2x 15 VAC4 VA50 Hz60 HzSolderingThrough HoleIP00E53 mm44 mm17.5 mm--
New to us
Isolating Transformer 230 VAC / 400 VAC - 12 VAC / 24 VAC 40VA 304-73-477 0 428 40Isolating Transformer 230 VAC / 400 VAC - 12 VAC / 24 VAC 40VA
SEK 507,00 (Exc. Vat)
Per piece
SEK 507,00
Legrand230 VAC ...12 VAC ...40 VA50 Hz60 HzScrew TerminalPanel Mount--98 mm84 mm70 mm--
New to us
Isolating Transformer 230 VAC - 110 VAC 1kVA 304-25-271 1237384Isolating Transformer 230 VAC - 110 VAC 1kVA
SEK 1.324,92 (Exc. Vat)
Per piece
SEK 1.324,92
RS PRO230 VAC110 VAC1 kVA50 Hz60 HzPlug, SocketPortable MountIP44-195 mm195 mm265 mm16 A-
New to us
Isolating Transformer 230 VAC - 230 VAC 750VA 304-25-270 1237381Isolating Transformer 230 VAC - 230 VAC 750VA
SEK 2.348,85 (Exc. Vat)
Per piece
SEK 2.348,85
RS PRO230 VAC230 VAC750 VA50 Hz60 HzPlug, SocketPortable MountIP22-195 mm195 mm265 mm16 A-
New to us
Isolating Transformer 230 VAC - 110 VAC 1.5kVA 304-25-269 1237380Isolating Transformer 230 VAC - 110 VAC 1.5kVA
SEK 2.127,83 (Exc. Vat)
Per piece
SEK 2.127,83
RS PRO230 VAC110 VAC1.5 kVA50 Hz50 Hz-Wall MountIP22-220 mm152 mm223 mm--
New to us
Isolating Transformer 230 VAC - 110 VAC 5kVA 304-25-268 1237377Isolating Transformer 230 VAC - 110 VAC 5kVA
SEK 8.137,88 (Exc. Vat)
Per piece
SEK 8.137,88
RS PRO230 VAC110 VAC5 kVA50 Hz60 HzPlug, SocketFloor MountIP22-460 mm310 mm325 mm--
New to us
Isolating Transformer 230 VAC - 110 VAC 3kVA 304-25-257 1226716Isolating Transformer 230 VAC - 110 VAC 3kVA
SEK 3.733,85 (Exc. Vat)
Per piece
SEK 3.733,85
RS PRO230 VAC110 VAC3 kVA50 Hz60 HzPlug, SocketStandaloneIP22-195 mm195 mm265 mm32 A-
New to us
Isolating Transformer 230 VAC - 110 VAC 5kVA 304-25-254 1226708Isolating Transformer 230 VAC - 110 VAC 5kVA
SEK 3.064,71 (Exc. Vat)
Per piece
SEK 3.064,71
RS PRO230 VAC110 VAC5 kVA60 Hz50 HzSocketStandalone--315 mm305 mm280 mm16 A-
New to us
Isolating Transformer 315VA, 230 VAC, 230 VAC 301-33-787 4AM4342-4TT10-0FA0Isolating Transformer 315VA, 230 VAC, 230 VAC
SEK 2.124,00 (Exc. Vat)
Per piece
SEK 2.124,00
Siemens230 VAC230 VAC315 VA50 Hz60 HzScrew TerminalScrewIP00B120 mm107 mm111 mm--
New to us
Isolating Transformer 1kVA, 230 VAC, 230 VAC 301-33-807 4AM5742-4TT10-0FA0Isolating Transformer 1kVA, 230 VAC, 230 VAC
SEK 4.374,69 (Exc. Vat)
Per piece
SEK 4.374,69
Siemens230 VAC230 VAC1 kVA50 Hz60 HzScrew TerminalScrewIP00B132 mm152 mm144 mm--
New to us
Isolating Transformer 63VA, 230 VAC, 230 VAC 301-33-694 4AM3242-4TT10-0FA0Isolating Transformer 63VA, 230 VAC, 230 VAC
SEK 1.317,00 (Exc. Vat)
Per piece
SEK 1.317,00
Siemens230 VAC230 VAC63 VA50 Hz60 HzScrew TerminalScrew ...IP00B90 mm86 mm98 mm--
New to us
Isolating Transformer 230 VAC - 2x 115 VAC 300VA 156-14-533 TIM 300Isolating Transformer 230 VAC - 2x 115 VAC 300VA
SEK 1.387,29 (Exc. Vat)
Per piece
SEK 1.387,29
Block230 VAC2x 115 VAC300 VA50 Hz60 HzScrew TerminalPanel MountIP20A223 mm117 mm117 mm-5 kV
New to us
Isolating Transformer 230 VAC - 2x 115 VAC 100VA 156-14-531 TIM 100Isolating Transformer 230 VAC - 2x 115 VAC 100VA
SEK 1.179,28 (Exc. Vat)
Per piece
SEK 1.179,28
Block230 VAC2x 115 VAC100 VA50 Hz60 HzScrew TerminalPanel MountIP20A166 mm77 mm76 mm-5 kV