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Outdoor Voltage Transformers

Post Date : September 01
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Item specifics

EGF20

Specifications

Rated voltage factor 1,9xUn 8h for EGF and 1,2xUn continuous for ZGF transformers

The voltage transformer type EGF (earthed) and type ZGF (unearthed) are maintenance free cast resin transformers for rated voltages up to 36 kV according to the IEC 60044-2 standard (former IEC 186, IEC 44-2), VDE 0414 or OVE-P20- 2/1994. « In order to protect the insulation from precipitation the transformers should be mounted only in vertical position « Rated secondary voltages 100 /3 V or 110 / 3 V for EGF and 100 V or 110V for ZGF transformers « Upon request the EGF transformers can be executed with a residual voltage winding with 100 / 3 V or 110 / 3 V « Rated voltage factor 1,9xUn 8h for EGF and 1,2xUn continuous for ZGF transformers « Frequency 50 or 60 Hz « Ambient air temperature 40/40 °C, altitude up to 1000m over sea level, > 1000m upon request. « The secondary terminals are arranged in a waterproof (type of protection IP53) sealable box which allows official
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