Iek ВД1-63 2Р 63А 300мА [6/11] Страница 6

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EK RESIDUAL CURRENT CIRCUIT BREAKERS OF VD1 63 TYPE RCCB Operation Manual 1 Purpose and Application 1 1 IEK brand residual current circuit breakers VD1 63 without the internal overcurrent protection of domestic and analogous use which do not depend functionally on the circuit voltage hereinafter referred to as the VD are intended for use in single or three phase AC electrical networks with the rated voltage limited to 400 V frequency 50 Hz Breakers comply with EN 61008 1 EN 61008 2 1 EN 61543 requirements 1 2 VDs perform residual current detection comparing it with the tripping residual current value and cutting the protected circuit off in case if the said value is exceeded VDs ensure protection of people from electric shock at indirect contact with accessible conducting parts when the insulation is damaged VDs with rated breaking residual current Ian 10 30 and 100 mA prevention of fires arising due to burning of the conductor insulation at residual current earth leakages or in consequence of a long term failure current flow in case of overcurrent protection device malfunction VD with rated breaking residual current Ian 300 mA VDs with rated breaking residual current of not less than 30 mA can be used as additional protection devices if the equipment intended for electric shock hazard protection fails 1 3 The main VD application area accounting and distributing boards of residential and public buildings temporary power supply equipment used at construction sites garden cottages garages and retail objects 2 General technical parameters 2 1 General parameters are listed in Table 1 Table 1 Parameter Value Number of poles 2 4 Rated operating voltage Ue V 230 400 Rated frequency Hz 50 Rated impulse withstand voltage Uimp V 6 000 Rated current In A 16 25 32 40 50 63 80 100 6

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