# Toroidal Transformer, 500 VA, 2 x 115V, 2 x 45V, Dual Primary, Dual Secondary, Potted
**URL**: https://novapart.co/products/MCTA500/45/toroidal-transformer-500-va-2-x-115v-45v-dual
**SKU**: MCTA500/45
**Manufacturer**: MULTICOMP PRO
**Category**: Transformers || Toroidal Power Transformers
**Price**: €54.5100
**Stock**: 10+
## Specifications
| Parameter | Value |
|---|---|
| Height | 60mm |
| Power Rating | 500VA |
| Winding Type | Dual Primary, Dual Secondary |
| Product Range | MCTA |
| Toroid Centre | Potted |
| Outer Diameter | 139mm |
| Primary Voltages | 2 x 115V |
| Secondary Voltages | 2 x 45V |
| Transformer Mounting | Panel Mount |
| Secondary Current Nom | 5.56A |
| Transformer Terminals | Wire Leaded |
## Datasheet
📄 [Download PDF](https://novapart.co/datasheet/farnell:9532986/)
## **Toroidal Transformers General Purpose**
## **Primary**
Dual primary winding for connection in series or parallel only Input Voltage : 115V or 230V ±10% 50/60Hz. DC Resistance : 2× 1.12Ω ±15% @ 20°C Magnetising Current : 28mA approx.@ 230V 50Hz (56mA 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 0°
## **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**
Iron Loss : 2.76 Watts Approx. Copper Loss : 24.4 Watts Approx. Efficiency : 95% typical Temperature rise : 53°C approx. Ambient rated : 40°C
## **Supplied with**
1× 112mm dished mounting plate 2× 110mm neoprene mounting pads
1× M8 × 75mm screw, nut and washer
## **Approx. Dimensions / Weight** (mounting excluded)
Diameter : 139mm (allow extra 5mm) Height : 59mm (over leadout area) Weight : 4.3kg
Newark.com/exclusive-brands Farnell.com/exclusive-brands Element14.com/exclusive-brands
04/06/19 V1.0
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## **Toroidal Transformers General Purpose**
## **Specification Table**
|**Part Number**|**On Load**
**Sec V**|**Rated Amps**
**per Sec**|**Off load**
**Sec V**|**Sec Flex**
**Gauge**|**Sec Ω**
**@ 20°C**|
|---|---|---|---|---|---|
|MCTA500/25|25|10|26.3|16 AWG|0.06|
|MCTA500/30|30|8.33|31.4|16 AWG|0.09|
|MCTA500/35|35|7.14|36.6|18 AWG|0.12|
|MCTA500/45|45|5.56|47|18 AWG|0.19|
|MCTA500/50|50|5|52.1|18 AWG|0.24|
|MCTA500/55|55|4.55|57.7|18 AWG|0.3|
## **Wire Diagram**
## **Schematic**
## **Part Number Table**
|**Part Number Table**||
|---|---|
|**Description**|**Part Number**|
|Toroidal Transformer, 500VA, 2 × 25V|MCTA500/25|
|Toroidal Transformer, 500VA, 2 × 30V|MCTA500/30|
|Toroidal Transformer, 500VA, 2 × 35V|MCTA500/35|
|Toroidal Transformer, 500VA, 2 × 45V|MCTA500/45|
|Toroidal Transformer, 500VA, 2 × 50V|MCTA500/50|
|Toroidal Transformer, 500VA, 2 × 55V|MCTA500/55|
**Important Notice :** This data sheet and its contents (the “Information”) belong to the members of the AVNET 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 Premier Farnell Limited 2019.
Newark.com/exclusive-brands Farnell.com/exclusive-brands Element14.com/exclusive-brands
04/06/19 V1.0
Page <2>
## Links
- [View this product on Novapart](https://novapart.co/products/MCTA500/45/toroidal-transformer-500-va-2-x-115v-45v-dual)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/en-ES/multicomp-pro/mcta500-45/transformer-toroidal-2-x-45v-500va/dp/9532986)
---
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