TRANSFORMADORES DE ISOLAMENTO

SÉRIE IT – BROADCAST

IREM IT series isolation transformers have been expressly designed to be used in the telecommunications sector.
The power supply of telephone systems, and radio and television, FM and TV repeaters, has always presented a set of problems and needs that are difficult to solve. Difficulty in reaching the installation sites to carry out technical interventions, exposure to atmospheric discharges as well as the length of the power lines with consequent voltage drops are critical elements that require the use of equipment specifically dedicated to this sector.

RS SERIES

HIGH ATTENUATION ISOLATION TRANSFORMERSWITH OVERVOLTAGE PROTECTION

IREM Isolation Transformers of the RS series are characterized by:

• the high attenuation of common mode disturbances;
• the attenuation of overvoltages caused by lightning and switching on the lines

ARM

HIGH ISOLATION AND ATTENUATION TRANSFORMERS

The Isolation Transformers of the ARM series can:

• stand high impulse isolation voltages at 50Hz frequency.
• ensure high attenuation of common mode disturbances.

ARM2

CLASS II ISOLATION TRANSFORMERS

The peculiar characteristic of IREM ARM2 Isolation Transformers is their compliance to Standard EN 61558-1, certified by CESVIT-CETACE. Therefore, these isolation transformers, being classified as “class II transformers”, allow the building of plants assuring both the safety of operators and the continuity of operation of the connected transmission systems. In other words, it is possible to:

• install only a thermomagnetic circuit breaker without residual-current protection on the line fitted with double-insulation cables, connecting the “delivery point” to the isolating transformer;
• install specific surge arresters for protection against atmospheric discharges on the primary winding of the transformer. The non-use of residual-current circuit breakers avoids the untimely circuit opening due to very small leakages caused by inductive phenomena.

TRANSFORMADORES DE ISOLAMENTO