| 摘要 |
PURPOSE: To obtain a safety device for an aquarium of ornamental fish, having a detection apparatus, etc., to detect the exposure of accessory electric equipment from water and capable of surely preventing the superheating of the accessory electric equipment such as a heater exposed from water to cause fire hazard or failure of the equipment. CONSTITUTION: This safety device is provided with a detector S to detect the exposure of a submerging accessory electric equipment H from water and a current breaker C to break the electric current to the accessory electric equipment H according to the detection of the exposed state by the detector S. The electric equipment H is preferably a heater for heating water. |
