FIELD: electricity.
SUBSTANCE: controller contains a control element, monolithic double-acting bimetal actuating mechanism located at the upper surface of control element and two groups of changeover contacts placed at control element; each group of changeover contacts interact with respective actuators. Joint monolithic double-acting bimetal actuating mechanism consists of two joint actuators which are relatively independent and made of bimetal sheet; edge lines of two actuators are separated from each other and outside auxiliary connector is located between edge lines of two actuators. At that outside auxiliary connector is located beyond edge lines of two actuators and forms effectively out of two actuators joint monolithic heat sensitive and bimetal double-acting actuating mechanism.
EFFECT: improving reliability of overheating protection, accuracy and actuating uniformity.
12 cl, 7 dwg
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