Low-voltage (LV/LV)

FULL RANGE

The low-voltage transformers of Transfos MARY meet all the requirements and the most demanding specifications of installers, integrators, industrial and tertiary operators. The know-how of Transfos MARY makes it possible to design and manufacture high-performance and quality products for any standard or specific application.

                

TRANSFORMER SPECIALIST

For more than 70 years, Transfos MARY has been designing and manufacturing standard and specific transformers, autotransformers and dry low-voltage electrical windings. Our products are known for their reliability, durability and ease of implementation.

Our qualified teams produce single-phase and three-phase transformers and autotransformers from 40 VA to 630 kVA with a maximum voltage of 1000 volts.

LOW-VOLTAGE RANGE

Single_phase transformers

Safety and circuits separation single-phase transformers

EUR24

IP41

  • Naked | EUR 24V : Safety single-phase transformers – IP00 – 230-400V/24V
  • Naked | EUR 2x24V : Safety single-phase transformers – IP00 – 230-400V/2x24V
  • Naked | EUR 2x115V : Separation single-phase transformers – IP00 – 230-400V/2x115V
  • Enclosure| EURP 24V : Safety single-phase transformers – IP41 – 230-400V/24V
  • Enclosure | EURP 2x24V : Safety single-phase transformers – IP41 – 230-400V/2x24V
  • Enclosure | EURP 2x115V : Separation single-phase transformers – IP41 – 230-400V/2x115V
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Safety and circuits separation single-phase multi-voltage transformers

EURM

IP41

  • Naked | EURM 2x24V :Safety and circuits separation single-phase multi-voltage transformers – IP00 – (adjustable: 205-220-230-380-400-415-440-460-480V / 2x24V ou 0-48V)
  • Naked | EURM 2x115V : Circuits separation single-phase multi-voltage transformers – IP00 – (adjustable: 205-220-230-380-400-415-440-460-480V / 2x115V ou 0-230V)
  • Enclosure | EURMP 2x24V : Safety and circuits separation single-phase multi-voltage transformers – IP41 – (adjustable: 205-220-230-380-400-415-440-460-480V / 2x24V ou 0-48V)
  • Enclosure | EURMP 2x115V : Circuits separation single-phase multi-voltage transformers – IP41 – (adjustable: 205-220-230-380-400-415-440-460-480V / 2x115V ou 0-230V)
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Single-phase isolating transformers

M1

MCP
  • Naked | M1 : Single-phase isolating transformers (until 6,3 kVA) – IP00 – (available in 400V/400V, 400V/230V or on demand with others voltage until 1000V)
  • Naked | MCP : Single-phase isolating transformers (from 8 kVA) – IP00 – (available in 400V/400V, 400V/230V or on demand with others voltage until 1000V)
  • Enclosure | M1P : Single-phase isolating transformers (until 6,3 kVA) – IP41 – (available in 400V/400V, 400V/230V or on demand with others voltage until 1000V)
  • Enclosure | MCPP : Single-phase isolating transformers (from 8 kVA) – IP21 – (available in 400V/400V, 400V/230V or on demand with others voltage until 1000V)
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Single-phase isolating transformers complying with UL-CSA

MUS

IP41
  • Naked | MUS : Single-phase isolating transformers complying with UL-CSA – IP00 – (available on demand with others voltage until 600V)
  • Enclosure | MUSP : Single-phase isolating transformers complying with UL-CSA – IP41 – (available  on demand with others voltage until 600V)
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Medical certified circuits separation single-phase transformers

MCPN
  • Naked | MCPN : Medical certified circuits separation single-phase transformers – IP00 – (available on demand with others voltage until 1000V/250V)
  • Enclosure | MCPNP : Medical certified circuits separation single-phase transformers – IP21 – (available on demand with others voltage until 1000V/250V)
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Three-phase transformers

Three-phase isolating transformers

TP

TPA

IP21
  • Naked | TP : Three-phase isolating transformers (until 6,3 kVA) – IP00 – (available in 400V/400V (Y+N), 400V/230V (Y+N) or on demand with others voltage until 1000V)
  • Naked | TPA : Three-phase isolating transformers (from 8 kVA) – IP00 – ((available in 400V/400V (Y+N), 400V/230V (Y+N) or on demand with others voltage until 1000V)
  • Enclosure | TPP : Three-phase isolating transformers (until 6,3 kVA) – IP21 – (available in 400V/400V (Y+N), 400V/230V (Y+N) or on demand with others voltage until 1000V)
  • Enclosure | TPAP : Three-phase isolating transformers (from 8 kVA) – IP21 – (available in 400V/400V (Y+N), 400V/230V (Y+N) or on demand with others voltage until 1000V)
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Eco-friendly three-phase isolating transformers

TPEC
  • Naked | TPEC : Eco-friendly three-phase isolating transformers – IP00 – (available in 400V/400V (Y+N), 400V/230V (Y+N) or on demand with others voltage until 1000V)
  • Enclosure | TPECP : Eco-friendly three-phase isolating transformers – IP21 – (available in 400V/400V (Y+N), 400V/230V (Y+N) or on demand with others voltage until 1000V)
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Dry-type three-phase transformers

IP54

IP65
  • IP54 enclosure | TPAE 54 : Dry-type three-phase transformers – IP54 – (available in 400V/400V (Y+N), 400V/230V (Y+N) or on demand with others voltage until 1000V)
  • IP65 enclosure | TPAE 65 : Dry-type three-phase transformers – IP65 – (available in 400V/400V (Y+N), 400V/230V (Y+N) or on demand with others voltage until 1000V)
Three to single-phase transformers
  • Naked | TMA : Three to single-phase transformers – IP00(Caution: a transformer cannot do single to three-phase) 
  • Enclosure | TMAP : Three to single-phase transformers – IP21(Caution: a transformer cannot do single to three-phase) 
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Autotransformers

Single-phase autotransformers

AMS

IP41
  • Naked | AMS : Single-phase autotransformers – IP00(available in 400V/230V (reversible) or on demand with others voltage until 1000V)
  • Enclosure | AMSP : Single-phase autotransformers – IP21(available in 400V/230V (reversible) or on demand with others voltage until 1000V)
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Three-phase autotransformers

ATS
  • Naked | ATS : Three-phase autotransformers – IP00
    (available in 400V/230V (reversible) or on demand with others voltage until 1000V)
  • Enclosure | ATSP : Three-phase autotransformers – IP21
    (available in 400V/230V (reversible) or on demand with others voltage until 1000V)
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DC-power supplies

Switch mode power supplies

ASDM

ASDT
  • ASDM : Single-phase witch mode power supplies(Available in 30W, 60W, 120W, 240W et 480W)
  • ASDT : Three-phase switch mode power supplies(Available in120W, 240W, 480W et 960W)
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Special products

Three to single-phase transformers
  • Naked | TMA : Three to single-phase transformers – IP00(Caution: a transformer cannot do single to three-phase) 
  • Enclosure | TMAP : Three to single-phase transformers – IP21(Caution: a transformer cannot do single to three-phase) 
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Voltage dividers creating neutral point

DIV
  • Naked | DIV : Voltage dividers creating neutral point – IP00
  • Enclosure | DIVP : Voltage dividers creating neutral point – IP21
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Start-up autotransformer for three-phase motor
  • Naked | ADM : Start-up autotransformer for three-phase motor until 400kW (Attention : These are very specific products. Please contact us to define all the characteristics)
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Variable autotransformers
  • AVM : Single-phase variable autotransformers(On demand specific product)
  • AVT : Three-phase variable autotransformers(On demand specific product)
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Voltage stabilizers

STM

STT
  • STM : Single-phase voltage stabilizers(On demand specific product)
  • STT : Three-phase voltage stabilizers(On demand specific product)
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Inductors (selfs)

SRM

SRT
  • Naked | SL : Single-phase DC inductors – IP00(DC current)
  • Naked | SRM : Single-phase AC inductors – IP00(AC current)
  • Naked | SRT : Three-phase AC inductors – IP00(AC current – Perfectly adapted to speed variation)
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NEED TECHNICAL DATA SHEETS?

You are looking for a data sheet for a single-phase or three-phase low voltage dry transformer or additional information on our other standard and specific products, see our product search module.
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