ITR SERIES | 400 V/400V Any other powers and voltages available on request* THREE PHASE ISOLATION TRANSFORMERS PRIMARY VOLTAGE: 400V SECONDARY VOLTAGE: 400V STANDART:ACCORDING TO EN-61558-2-4 ISOLATION CLASS: T40/F DIELECTRIC STRENGHT:4600V(BETWEEN PRIMARY AND SECONDARY) 2300V(BETWEEN PRIMARY AND MASS) PROTECTION DEGREE: IP2X-3X PROTECTION CLASS: I FREQUENCIES: 50 / 60Hz PROTECTION CLASS: I WINDING:ENAMELLED COPPER OR ALUMINUM WIRE CLASS H SEPARATED PRIMARY AND SECONDARY The Three-Phase isolation transformers are intended to supply electric devices where a circuit separation is required. Protected against humidity by means of resin impregnation. All models are available with protection degree IP00,IP23,IP33 and IP54.