SBW三相热保护器
SBW系列保护器，动触片上设置有两个触点，同时对应在底座上设置有两个静触点，当被保护电器温度增高时所产生的热量传递到双金属元件上，达到预定动作温度设定值时，双金属元件便迅速动作，推动动触片断开触点切断两个回路；当温度下降到额定复位温度值时，双金属元件自动恢复接通电路。 SBW系列热保护器主要Y型三相电机、控制并联电路电器。
Used in three-phase motors, transformers and various three-phase motor products
SBW series protector, two contacts are arranged on the movable contact piece, and two static contacts are arranged on the base correspondingly, and the heat generated when the temperature of the protected appliance is increased is transmitted to the bimetal element to reach a predetermined operating temperature. When the set value is reached, the bimetal element acts quickly
SBW series protector, two contacts are arranged on the movable contact piece, and two static contacts are arranged on the base correspondingly, and the heat generated when the temperature of the protected appliance is increased is transmitted to the bimetal element to reach a predetermined operating temperature. When the set value is reached, the bimetal element acts quickly
