Single-phase and three-phase transformers
GRUPO CROVISA has a wide stock of standard transformers (power, audio, line 100V, impedance, valves, etc.) in order to give our customers an efficient and fast service. We also manufacture on demand all kinds of transformers, adapting to the technical and mechanical needs of each client. (see custom transformers).
General characteristics:
- Designed for 40 ° C ambient temperature (T40 / E).
- Impregnated with class F varnish and oven dried.
- Verification of 100% of the production.
You can download the catalog of laminated transformers by clicking on the link
GRUPO CROVISA supplies standard encapsulated power transformers between 0,35VA and 60VA with epoxy resin, which allows to guarantee an optimal performance against changes in temperature, humidity and aggressive environments. This product has a thermal reduction of the order of 25% compared to open-frame laminated transformers.
General characteristics:
- Isolation greater than 5Mohms, 500 Vdc.
- Dielectric strength greater than 4.5 KV-1 min.
- Class II safety transformer.
- For ambient temperature of 40 ° C and 70 °C.
- Verification of 100% of the production.
You can download the catalog of encapsulated transformers by clicking on the link.
GRUPO CROVISA manufactures a wide range of toroidal transformers ranging from 20 VA to 6kVA, which combine the many electrical and mechanical advantages of these transformers.
General characteristics:
- Isolation greater than 5Mohms, 500V DC voltage.
- Dielectric strength greater than 3000V -1 min between primary and secondary.
- Designed for 40 ° C temp.ambiente.
- Very low losses in vacuum.
- Reduced losses in copper and high performance.
- Excellent no-load / load regulation.
- Verification of the electrical parameters of 100% of the production.
You can download the catalog of toroidal transformers by clicking on the link.
We manufacture single-phase and three-phase transformers for isolation, control and operation up to 400kVA. We also produce three-phase and single-phase autotransformers IP00.
On demand, according to the client’s needs, we design and manufacture transformers for medical / clinical use, transformers for the conversion of three-phase to single-phase, reactors for harmonic filtering. Both in IP00, IP23 and IP54
You can download the control and isolating transformer catalog by clicking on the link.
We design single-phase or three-phase coils and transformers according to the technical specifications of our customers.
Both in open, encapsulated, toroidal, laminated or high frequency (ferrites, powder, etc) transformers.
We have the necessary know-how to design and manufacture inductances, DC and AC reactors, chokes, filters and air coils.
We also repair or copy the transformers of our competition.
To request a quotation, select the transformer type you need and fill in the form that will appear among the following list: