# Toroidal Transformer, 30 VA, 115V, 230V, 2 x 12V, Dual Primary, Dual Secondary, Unpotted

![Product image](https://novapart.co/image/farnell:9530304/)

**URL**: https://novapart.co/products/MCTA030/12/toroidal-transformer-30-va-115v-230v-2-x-12v-dual
**SKU**: MCTA030/12
**Manufacturer**: MULTICOMP PRO
**Category**: Transformers || Toroidal Power Transformers
**Price**: €17.8200
**Stock**: 200+
**Lead Time**: 148 days (indicative)

## Description

Power Rating:30VA; Secondary Voltages:2 x 12V; Secondary Current Nom:1.25A; Transformer Mounting:Panel; Primary Voltages:115V, 230V; Product Range:MCTA Series; SVHC:No SVHC (27-Jun-2

## Specifications

| Parameter | Value |
|---|---|
| Svhc | To Be Advised |
| Height | 31mm |
| Power Rating | 30VA |
| Winding Type | Dual Primary, Dual Secondary |
| Product Range | MCTA |
| Toroid Centre | Unpotted |
| Outer Diameter | 73mm |
| Primary Voltages | 115V, 230V |
| Secondary Voltages | 2 x 12V |
| Transformer Mounting | Panel Mount |
| Secondary Current Nom | 1.25A |
| Transformer Terminals | Wire Leaded |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:9530304/)

## **Toroidal Transformers General Purpose** 

## **Primary** 

Dual primary winding for connection in series or parallel only Input Voltage : 115 or 230V ±10% 50/60Hz. DC Resistance : 2x 2.13Ω to 79.1Ω ±15% @ 20°C Magnetising Current :  2.5mA to 47mA approx.@ 230V 50Hz (5mA to 94mA approx. @ 115V 50Hz) 

## **Termination** 

All leads Tri-Rated UL1015 style cable rated 600V /105°C VW-1 Primary leads double insulated with PVC sleeving for a minimum of 20mm. Lead lengths ±5mm approx. All leads ends tinned to 6mm. Pri/Sec leads 0º 

## **Temperature Class** 

Winding Wire : Class H (180°C) Insulation System : Class B (130°C) Leadout Insulation : Class A (105°C) Overall : Class A (105°C) 

## **Standards** 

Designed and manufactured in accordance with : EN61558-1 / EN61558-1/A1 / EN61558-2-4 or EN61558-2-6 UL recognised under family approval E115159 to UL1411, UL60601-1, UL60065-1 

## **Losses** 

|**Losses**||||||
|---|---|---|---|---|---|
|**Part Number**|**Iron Loss**|**Copper Loss**|**Efficiency**|**Temperature Rise**|**Ambient Rated**|
|**15VA General Purpose Toroidal Transformers**||||||
|MCTA015/06|0.25 Watts<br>Approx.|2.5 Watts<br>Approx.|84% typical|27°C Approx.|40°C|
|MCTA015/09||||||
|MCTA015/12||||||
|MCTA015/15||||||
|MCTA015/18||||||
|**30VA General Purpose Toroidal Transformers**||||||
|MCTA030/06|0.37 Watts<br>Approx.|4.9 Watts<br>Approx.|85% typical|42°C Approx.|40°C|
|MCTA030/09||||||
|MCTA030/12||||||
|MCTA030/15||||||
|MCTA030/18||||||
|MCTA030/25||||||
|**50VA General Purpose Toroidal Transformers**||||||
|MCTA050/06|0.46 Watts<br>Approx.|7.3 Watts<br>Approx.|87% typical|50°C Approx.|40°C|
|MCTA050/09||||||
|MCTA050/12||||||
|MCTA050/15||||||
|MCTA050/18||||||



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|**Part Number**|**Iron Loss**|**Copper Loss**|**Effciency**|**Temperature Rise**|**Ambient Rated**|
|---|---|---|---|---|---|
|MCTA050/25|0.46 Watts<br>Approx.|7.3 Watts<br>Approx.|87% typical|50°C Approx.|40°C|
|MCTA050/55||||||
|**60VA General Purpose Toroidal Transformers**||||||
|MCTA060/09|0.57 Watts<br>Approx.|7.9 Watts<br>Approx.|88% typical|47°C Approx.|40°C|
|MCTA060/12||||||
|MCTA060/15||||||
|MCTA060/18||||||
|MCTA060/25||||||
|**80VA General Purpose Toroidal Transformers**||||||
|MCTA080/09|0.58 Watts<br>Approx.|9.5 Watts<br>Approx.|89% typical|52°C Approx.|40°C|
|MCTA080/12||||||
|MCTA080/15||||||
|MCTA080/18||||||
|MCTA080/25||||||
|MCTA080/55||||||
|**100VA General Purpose Toroidal Transformers**||||||
|MCTA100/12|0.85 Watts<br>Approx.|10.3 Watts<br>Approx.|90% typical|52°C Approx.|40°C|
|MCTA100/15||||||
|MCTA100/18||||||
|MCTA100/25||||||
|**120VA General Purpose Toroidal Transformers**||||||
|MCTA120/12|0.98 Watts<br>Approx.|11.4 Watts<br>Approx.|91% typical|54°C Approx.|40°C|
|MCTA120/15||||||
|MCTA120/18||||||
|MCTA120/25||||||
|MCTA120/55||||||
|**160VA General Purpose Toroidal Transformers**||||||
|MCTA160/12|1.12 Watts<br>Approx.|13.9 Watts<br>Approx.|91% typical|54°C Approx.|40°C|
|MCTA160/15||||||
|MCTA160/18||||||
|MCTA160/25||||||
|MCTA160/30||||||
|MCTA160/55||||||
|**225VA General Purpose Toroidal Transformers**||||||
|MCTA225/12|1.49 Watts<br>Approx.|16.9 Watts<br>Approx.|92% typical|56°C Approx.|40°C|
|MCTA225/15||||||
|MCTA225/18||||||



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|**Part Number**|**Iron Loss**|**Copper Loss**|**Effciency**|**Temperature Rise**|**Ambient Rated**|
|---|---|---|---|---|---|
|MCTA225/25|1.49 Watts<br>Approx.|16.9 Watts<br>Approx.|92% typical|56°C Approx.|40°C|
|MCTA225/30||||||
|MCTA225/55||||||
|**250VA General Purpose Toroidal Transformers**||||||
|MCTA250/12|1.62 Watts<br>Approx.|17.4 Watts<br>Approx.|93% typical|55ºC Approx.|40°C|
|MCTA250/18||||||
|MCTA250/25||||||
|MCTA250/30||||||
|MCTA250/35||||||
|MCTA250/40||||||
|MCTA250/45||||||
|MCTA250/50||||||
|**300VA General Purpose Toroidal Transformers**||||||
|MCTA300/25|1.8 Watts<br>Approx.|19.8 Watts<br>Approx.|93% typical|56°C Approx.|40°C|
|MCTA300/30||||||
|MCTA300/35||||||
|MCTA300/55||||||
|**1,000VA General Purpose Toroidal Transformers**||||||
|MCTA1000/40|4.49 Watts<br>Approx.|39.1 Watts<br>Approx.|96% typical|60°C Approx.|40°C|
|MCTA1000/50||||||
|MCTA1000/55||||||



## **Supplied with** 

|**Supplied with**|**Supplied with**|
|---|---|
|||
|**15VA General Purpose Toroidal Transformers**||
|1x 50mm dished mounting plate<br>2x 50mm neoprene mounting pads<br>1x M5 x 40mm screw, nut & washer|MCTA015/06|
||MCTA015/09|
||MCTA015/12|
||MCTA015/15|
||MCTA015/18|
|**30VA General Purpose Toroidal Transformers**||
|1x 50mm dished mounting plate<br>2x 50mm neoprene mounting pads<br>1x M5 x 40mm screw, nut & washer|MCTA030/06|
||MCTA030/09|
||MCTA030/12|
||MCTA030/15|
||MCTA030/18|
||MCTA030/25|



|||
|---|---|
|**50VA General Purpose Toroidal Transformers**||
|1x 50mm dished mounting plate<br>2x 50mm neoprene mounting pads<br>1x M5 x 40mm screw, nut & washer|MCTA050/06|
||MCTA050/09|
||MCTA050/12|
||MCTA050/15|
||MCTA050/18|
||MCTA050/25|
||MCTA050/55|
|**60VA General Purpose Toroidal Transformers**||
|1x 70mm dished mounting plate<br>2x 70mm neoprene mounting pads<br>1x M6 x 50mm screw, nut & washer|MCTA060/09|
||MCTA060/12|
||MCTA060/15|
||MCTA060/18|
||MCTA060/25|



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|**80VA General Purpose Toroidal Transformers**|**80VA General Purpose Toroidal Transformers**||**225VA General Purpose Toroidal Transformers**|**225VA General Purpose Toroidal Transformers**|
|---|---|---|---|---|
|1x 70mm dished mounting plate<br>2x 70mm neoprene mounting pads<br>1x M6 x 50mm screw, nut & washer|MCTA080/09||1x 90mm dished mounting plate<br>2x 90mm neoprene mounting pads<br>1x M6 x 60mm screw, nut & washer|MCTA225/12|
||MCTA080/12|||MCTA225/15|
||MCTA080/15|||MCTA225/18|
||MCTA080/18|||MCTA225/25|
||MCTA080/25|||MCTA225/30|
||MCTA080/55|||MCTA225/55|
|**100VA General Purpose Toroidal Transformers**|||**250VA General Purpose Toroidal Transformers**||
|1x 70mm dished mounting plate<br>2x 70mm neoprene mounting pads<br>1x M6 x 50mm screw, nut & washer|MCTA100/12||1x 90mm dished mounting plate<br>2x 90mm neoprene mounting pads<br>1x M6 x 60mm screw, nut & washer|MCTA250/12|
||MCTA100/15|||MCTA250/18|
||MCTA100/18|||MCTA250/25|
||MCTA100/25|||MCTA250/30|
|**120VA General Purpose Toroidal Transformers**||||MCTA250/35|
|1x 70mm dished mounting plate<br>2x 70mm neoprene mounting pads<br>1x M6 x 50mm screw, nut & washer|MCTA120/12|||MCTA250/40|
||MCTA120/15|||MCTA250/45|
||MCTA120/18|||MCTA250/50|
||MCTA120/25||**300VA General Purpose Toroidal Transformers**||
||MCTA120/55||1x 90mm dished mounting plate<br>2x 90mm neoprene mounting pads<br>1x M6 x 60mm screw, nut & washer|MCTA300/25|
|**160VA General Purpose Toroidal Transformers**||||MCTA300/30|
|1x 90mm dished mounting plate<br>2x 90mm neoprene mounting pads<br>1x M6 x 60mm screw, nut & washer|MCTA160/12|||MCTA300/35|
||MCTA160/15|||MCTA300/55|
||MCTA160/18||**1,000VA General Purpose Toroidal Transformers**||
||MCTA160/25||1x 145mm dished mounting plate<br>2x 148mm neoprene mounting pads<br>1x M8 x 80mm screw, nut & washer|MCTA1000/40|
||MCTA160/30|||MCTA1000/50|
||MCTA160/55|||MCTA1000/55|



## **Specification Table** 

|**Part Number**|**On Load**<br>**Sec V**|**Rated Amps**<br>**per Sec**|**Off load**<br>**Sec V**|**Sec Flex**<br>**Gauge**|**Sec Ω**<br>**@ 20ºC**|**Diameter**<br>**Allow Extra**<br>**5mm**|**Height**<br>**Over Leadout**<br>**Area**|**Weight**|
|---|---|---|---|---|---|---|---|---|
|**15VA General Purpose Toroidal Transformers**|||||||||
|MCTA015/06|6|1.25|6.9|22 AWG|0.46|64.5mm|30.5mm|0.33kg|
|MCTA015/09|9|0.83|10.4||1.08||||
|MCTA015/12|12|0.63|13.9||1.76||||
|MCTA015/15|15|0.5|17.3||2.78||||
|MCTA015/18|18|0.42|20.9||4.21||||
|**30VA General Purpose Toroidal Transformers**|||||||||
|MCTA030/06|6|2.5|6.9|22 AWG|0.21|73mm|31mm|0.48kg|
|MCTA030/09|9|1.67|10.3||0.44||||
|MCTA030/12|12|1.25|13.9||0.9||||



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|**Part Number**|**On Load**<br>**Sec V**|**Rated Amps**<br>**per Sec**|**Off load**<br>**Sec V**|**Sec Flex**<br>**Gauge**|**Sec Ω**<br>**@ 20ºC**|**Diameter**<br>**Allow Extra**<br>**5mm**|**Height**<br>**Over Leadout**<br>**Area**|**Weight**|
|---|---|---|---|---|---|---|---|---|
|MCTA030/15|15|1|17.4|22 AWG|1.44|73mm|31mm|0.48kg|
|MCTA030/18|18|0.83|20.9||2.13||||
|MCTA030/25|25|0.6|28.8||3.74||||
|**50VA General Purpose Toroidal Transformers**|||||||||
|MCTA050/06|6|4.17|6.8|22 AWG|0.11|81mm|34.5mm|0.65kg|
|MCTA050/09|9|2.78|10.2||0.23||||
|MCTA050/12|12|2.08|13.6||0.44||||
|MCTA050/15|15|1.67|17||0.69||||
|MCTA050/18|18|1.39|20.5||5.4||||
|MCTA050/25|25|1|28.4||1.83||||
|MCTA050/55|55|0.45|62.3||8.93||||
|**60VA General Purpose Toroidal Transformers**|||||||||
|MCTA060/09|9|3.33|10.1|20 AWG|0.19|91.5mm|39mm|0.78kg|
|MCTA060/12|12|2.5|13.5|22 AWG|0.36||||
|MCTA060/15|15|2|16.9||0.51||||
|MCTA060/18|18|1.67|20.2||0.77||||
|MCTA060/25|25|1.2|28||1.36||||
|**80VA General Purpose Toroidal Transformers**|||||||||
|MCTA080/09|9|4.44|10.1|20 AWG|0.12|87.5mm|39mm|0.96kg|
|MCTA080/12|12|3.33|13.3||0.23||||
|MCTA080/15|15|2.67|16.7|22 AWG|0.35||||
|MCTA080/18|18|2.22|20.1||0.53||||
|MCTA080/25|25|1.6|27.7||0.93||||
|MCTA080/55|55|0.73|60.7||4.15||||
|**100VA General Purpose Toroidal Transformers**|||||||||
|MCTA100/12|12|4.17|13.1|20 AWG|0.15|91mm|46mm|1.13kg|
|MCTA100/15|15|3.33|16.3||0.23||||
|MCTA100/18|18|2.78|19.7||0.35||||
|MCTA100/25|25|2|27.4||0.68||||
|**120VA General Purpose Toroidal Transformers**|||||||||
|MCTA120/12|12|5|13.2|18 AWG|0.12|95mm|47mm|1.32kg|
|MCTA120/15|15|4|16.4|20 AWG|0.19||||
|MCTA120/18|18|3.33|19.6||0.29||||
|MCTA120/25|25|2.4|27.3||0.55||||
|MCTA120/55|55|1.09|59.5||2.18||||



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|**Part Number**|**On Load**<br>**Sec V**|**Rated Amps**<br>**per Sec**|**Off load**<br>**Sec V**|**Sec Flex**<br>**Gauge**|**Sec Ω**<br>**@ 20ºC**|**Diameter**<br>**Allow Extra**<br>**5mm**|**Height**<br>**Over Leadout**<br>**Area**|**Weight**|
|---|---|---|---|---|---|---|---|---|
|**160VA General Purpose Toroidal Transformers**|||||||||
|MCTA160/12|12|6.67|13|18 AWG|0.08|105mm|47mm|1.64kg|
|MCTA160/15|15|5.33|16.4||0.13||||
|MCTA160/18|18|4.44|19.6|20 AWG|0.17||||
|MCTA160/25|25|3.2|27||0.33||||
|MCTA160/30|30|2.67|32.5||0.50||||
|MCTA160/55|55|1.45|59.5||1.59||||
|**225VA General Purpose Toroidal Transformers**|||||||||
|MCTA225/12|12|9.38|12.7|16 AWG|0.05|110.5mm|51mm|2.20kg|
|MCTA225/15|15|7.5|16.1||0.08||||
|MCTA225/18|18|6.25|19.2|18 AWG|0.12||||
|MCTA225/25|25|4.5|26.7||0.21||||
|MCTA225/30|30|3.75|32.2|20 AWG|0.32||||
|MCTA225/55|55|2.05|58.7||1||||
|**250VA General Purpose Toroidal Transformers**|||||||||
|MCTA250/12|12|10.42|12.8|16 AWG|0.04|119.5mm|53.5mm|2.38kg|
|MCTA250/18|18|6.94|19.2||0.09||||
|MCTA250/25|25|5|26.7|18 AWG|0.16||||
|MCTA250/30|30|4.17|31.9|20 AWG|0.24||||
|MCTA250/35|35|3.57|37.2||0.32||||
|MCTA250/40|40|3.13|42.5||0.4||||
|MCTA250/45|45|2.78|48.1||0.51||||
|MCTA250/50|50|2.5|53.3||0.63||||
|**300VA General Purpose Toroidal Transformers**|||||||||
|MCTA300/25|25|6|26.6|18 AWG|0.14|125.5mm|54mm|2.83kg|
|MCTA300/30|30|5|31.9||0.19||||
|MCTA300/35|35|4.29|37.1||0.28||||
|MCTA300/55|55|2.73|58.5|20 AWG|0.7||||
|**1,000VA General Purpose Toroidal Transformers**|||||||||
|MCTA1000/40|40|12.5|41.5|14 AWG|0.06|167mm|70.5mm|7.48kg|
|MCTA1000/50|50|10|52|16 AWG|0.1||||
|MCTA1000/55|55|9.09|56.9||0.14||||



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## **Toroidal Transformers General Purpose** 

## **Wire Diagram** 

## **Schematic** 

## **Part Number Table** 

|**Part Number Table**|||||
|---|---|---|---|---|
|**Description**|**Part Number**||**Description**|**Part Number**|
|Transformer, Toroidal, 2 × 6V, 15VA|MCTA015/06||Transformer, Toroidal, 2 × 15V, 80VA|MCTA080/15|
|Transformer, Toroidal, 2 × 9V, 15VA|MCTA015/09||Transformer, Toroidal, 2 × 18V, 80VA|MCTA080/18|
|Transformer, Toroidal, 2 × 12V, 15VA|MCTA015/12||Transformer, Toroidal, 2 × 25V, 80VA|MCTA080/25|
|Transformer, Toroidal, 2 × 15V, 15VA|MCTA015/15||Transformer, Toroidal, 2 × 55V, 80VA|MCTA080/55|
|Transformer, Toroidal, 2 × 18V, 15VA|MCTA015/18||Transformer, Toroidal, 2 × 12V, 100VA|MCTA100/12|
|Transformer, Toroidal, 2 × 6V, 30VA|MCTA030/06||Transformer, Toroidal, 2 × 15V, 100VA|MCTA100/15|
|Transformer, Toroidal, 2 × 9V, 30VA|MCTA030/09||Transformer, Toroidal, 2 × 18V, 100VA|MCTA100/18|
|Transformer, Toroidal, 2 × 12V, 30VA|MCTA030/12||Transformer, Toroidal, 2 × 25V, 100VA|MCTA100/25|
|Transformer, Toroidal, 2 × 15V, 30VA|MCTA030/15||Transformer, Toroidal, 2 × 12V, 120VA|MCTA120/12|
|Transformer, Toroidal, 2 × 18V, 30VA|MCTA030/18||Transformer, Toroidal, 2 × 15V, 120VA|MCTA120/15|
|Transformer, Toroidal, 2 × 25V, 30VA|MCTA030/25||Transformer, Toroidal, 2 × 18V, 120VA|MCTA120/18|
|Transformer, Toroidal, 2 × 6V, 50VA|MCTA050/06||Transformer, Toroidal, 2 × 25V, 120VA|MCTA120/25|
|Transformer, Toroidal, 2 × 9V, 50VA|MCTA050/09||Transformer, Toroidal, 2 × 55V, 120VA|MCTA120/55|
|Transformer, Toroidal, 2 × 12V, 50VA|MCTA050/12||Transformer, Toroidal, 2 × 12V, 160VA|MCTA160/12|
|Transformer, Toroidal, 2 × 15V, 50VA|MCTA050/15||Transformer, Toroidal, 2 × 15V, 160VA|MCTA160/15|
|Transformer, Toroidal, 2 × 18V, 50VA|MCTA050/18||Transformer, Toroidal, 2 × 18V, 160VA|MCTA160/18|
|Transformer, Toroidal, 2 × 25V, 50VA|MCTA050/25||Transformer, Toroidal, 2 × 25V, 160VA|MCTA160/25|
|Transformer, Toroidal, 2 × 55V, 50VA|MCTA050/55||Transformer, Toroidal, 2 × 30V, 160VA|MCTA160/30|
|Transformer, Toroidal, 2 × 9V, 60VA|MCTA060/09||Transformer, Toroidal, 2 × 55V, 160VA|MCTA160/55|
|Transformer, Toroidal, 2 × 12V, 60VA|MCTA060/12||Transformer, Toroidal, 2 × 12V, 225VA|MCTA225/12|
|Transformer, Toroidal, 2 × 15V, 60VA|MCTA060/15||Transformer, Toroidal, 2 × 15V, 225VA|MCTA225/15|
|Transformer, Toroidal, 2 × 18V, 60VA|MCTA060/18||Transformer, Toroidal, 2 × 18V, 225VA|MCTA225/18|
|Transformer, Toroidal, 2 × 25V, 60VA|MCTA060/25||Transformer, Toroidal, 2 × 25V, 225VA|MCTA225/25|
|Transformer, Toroidal, 2 × 9V, 80VA|MCTA080/09||Transformer, Toroidal, 2 × 30V, 225VA|MCTA225/30|
|Transformer, Toroidal, 2 × 12V, 80VA|MCTA080/12||Transformer, Toroidal, 2 × 55V, 225VA|MCTA225/55|



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## **Toroidal Transformers General Purpose** 

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|**Description**|**Part Number**||**Description**|**Part Number**|
|---|---|---|---|---|
|Transformer, Toroidal, 2 × 12V, 250VA|MCTA250/12||Transformer, Toroidal, 2 × 50V, 250VA|MCTA250/50|
|Transformer, Toroidal, 2 × 18V, 250VA|MCTA250/18||Transformer, Toroidal, 2 × 25V, 300VA|MCTA300/25|
|Transformer, Toroidal, 2 × 25V, 250VA|MCTA250/25||Transformer, Toroidal, 2 × 30V, 300VA|MCTA300/30|
|Transformer, Toroidal, 2 × 30V, 250VA|MCTA250/30||Transformer, Toroidal, 2 × 35V, 300VA|MCTA300/35|
|Transformer, Toroidal, 2 × 35V, 250VA|MCTA250/35||Transformer, Toroidal, 2 × 55V, 300VA|MCTA300/55|
|Transformer, Toroidal, 2 × 40V, 250VA|MCTA250/40||Transformer, Toroidal, 2 × 40V, 1000VA|MCTA1000/40|
|Transformer, Toroidal, 2 × 45V, 250VA|MCTA250/45||Transformer, Toroidal, 2 × 50V, 1000VA|MCTA1000/50|
||||Transformer, Toroidal, 2 × 55V, 1000VA|MCTA1000/55|



**Important Notice :** This data sheet and its contents (the “Information”) belong to the members of the Premier Farnell group of companies (the “Group”) or are licensed to it. No licence is granted for the use of it other than for information purposes in connection with the products to which it relates. No licence of any intellectual property rights is granted. The Information is subject to change without notice and replaces all data sheets previously supplied. The Information supplied is believed to be accurate but the Group assumes no responsibility for its accuracy or completeness, any error in or omission from it or for any use made of it. Users of this data sheet should check for themselves the Information and the suitability of the products for their purpose and not make any assumptions based on information included or omitted. Liability for loss or damage resulting from any reliance on the Information or use of it (including liability resulting from negligence or where the Group was aware of the possibility of such loss or damage arising) is excluded. This will not operate to limit or restrict the Group’s liability for death or personal injury resulting from its negligence. Multicomp is the registered trademark of the Group. © Premier Farnell Limited 2016. 

www.element14.com www.farnell.com www.newark.com 

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## Links

- [View this product on Novapart](https://novapart.co/products/MCTA030/12/toroidal-transformer-30-va-115v-230v-2-x-12v-dual)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/multicomp-pro/mcta030-12/transformer-toroidal-2-x-12v-30va/dp/9530304)
---

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