NKG3 time switch (hereinafter referred to as time switch) is used in automatic control circuits with a frequency of AC 50Hz(or 60Hz), a rated control supply voltage of up to 220V and a rated operational current of 3A to provide timed on-off control for street lamps, advertising lamps and similar equipment.
NKG3 time switch (hereinafter referred to as time switch) is used in automatic control circuits with a frequency of AC 50Hz(or 60Hz), a rated control supply voltage of up to 220V and a rated operational current of 3A to provide timed on-off control for street lamps, advertising lamps and similar equipment.
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Cooling methods for transformers include ONAN, ONAF, and OFAF, among others, which use thermal and fluid dynamics to adjust core and winding temperatures under different load circumstances.