Transformer Single-phase 230V 400V ±15V / 230V

Transformer Single-phase 230V 400V ±15V / 230V
Primary : 230V 400V ±15V   -   Secondary : 230V
Ref : 1M400-TN-K342-C
Price : 135,00 €
Disponibilité : En stock (24/48h)

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This single-phase isolation transformer, designed for circuit separation with multi-voltage 230V and 400V primary, fitted with ±15V adjustment taps, adapts to all standard electrical networks. Available in a wide range of power ratings, from a few tens of VA to several kVA, and in bare IP00 or enclosed IP2x versions.

With its substantial 4,500V galvanic isolation between primary and secondary, it will perfectly isolate your installations.

Whether you have a 230V or 400V network, whether these networks are slightly low or slightly high in voltage, you can choose the appropriate connection on the transformer primary during installation.

Choosing the correct adjustment tap has two important advantages: obtaining the closest possible nominal voltage at the secondary, and avoiding over-excitation of the transformer in case of excessive network voltage. Over-excitation would result in transformer overheating and excessive electrical consumption through iron losses.

If you are looking for a higher power single-phase transformer, you can search in our 230V / 230V or 400V / 230V transformer references.

Technical details

Image des cotes
Input / Primary
230V 400V ±15V
Sortie / Secondaire 1
230V 0.2A
Winding material
Copper
Nom. Power
40 VA
Dielectric P/E (V)
2 500V
Dielectric S/E (V)
2 500V
Insulation class
I
Frequency (Hz)
50-60Hz
Iron Losses (W)
3
Hot Winding Losses (W)
4.9
No-load U₂ (V)
250.6V
Voltage Drop (%)
8.97
RoHS Compliant
Yes
Lifting Ring
No
Option_Screen
Yes
Dimensions: L x W x H (mm)
75 x 75 x 83
Mounting: X x Y x Ø (mm)
56 x (46.4 - 55) x 4.7
Weight (kg)
1.5
Ventilation Clearance (mm)
30
Prim. Protection (rec.)
DJ D - 1A
Sec. Protection (rec.)
DJ C - 1A

Notes and options

General Specifications

  • Efficiency from 94 to 98% depending on power rating.
  • Low losses and low voltage drop, from 2 to 4% depending on power rating.
  • High-quality vacuum impregnation.
  • Operating temperatures of 35°C or 40°C.
  • IP00 or IP21 with textured paint on RAL7035 enclosures.
  • Connections via terminal blocks or busbars depending on power rating.
  • Dielectric strength: from 2,500 to 4,500V depending on reference.
  • Temperature rise class: B, F or H depending on reference.
  • Copper or aluminium winding depending on power rating.
  • Environmentally friendly: RoHS compliant and solvent-free varnish.

Available Options

  • Addition of electrical protection (circuit breakers, fuses, isolators).
  • Voltage adaptation up to 1,000V.
  • Addition of adjustment taps.
  • Addition of temperature sensors (NC, NO or PT100).
  • Adaptation to higher frequencies (400Hz).
  • Adaptation for harmonics (K-factor K7, K13 etc.).
  • Adaptation to extreme ambient temperatures.
  • Variable IP rating (IP00 to IP55).
  • Addition of silent blocks, casters, rollers.
  • Enhanced tropicalisation.
  • Special paint for enclosures.
  • Custom design for tailored dimensions.

⚠ Important note: Some of the options you may select could affect the dimensions and weight of the autotransformer. Please contact us for further information.

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