高压直流继电器，原本主要在电力行业以及航空、航天行业应用。近年来电动汽车逐渐兴起，驱动配电系统，成了高压直流继电器一个非常重要的应用场景。高压是相对于24V、48V低压系统而言。低速电动车有些选择60V和72V系统的电源配置，一般高速乘用车电压都在200V以上，大巴更是可以达到600V以上。满足这个电压阶段使用要求的继电器，被称为高压直流继电器。 高压直流继电器，寿命包括机械寿命和电寿命两个参数。...
Why is the relay called "automatic switch" with small control and big control The relay is an electrical control device, made based on the principle of electromagnetic induction, and is an "automatic ...
Why is the relay called "automatic switch" with small control and big control The relay is an electrical control device, made based on the principle of electromagnetic induction, and is an "automatic ...
What are the general classification of automotive relays Large open type relay Its size is 35.5*25.5*21, and the sealed type is open, so it is called a large-size open relay. This kind of relay has st...
What are the contact forms of the relay? A relay is an electrical control device. It is an electrical appliance that causes the controlled quantity to undergo a predetermined step change in the electr...
The function of the relay is to control the start and stop of the air conditioner. When the temperature in the car reaches the target temperature, the sensor will let the relay stop the cooling action...
Why install a trip and lockout relay? To prevent the enlargement of the accident caused by re-closing after a short-circuit trip, the tripping and blocking relay will act after a certain fault or shor...
What is LB-7 latching relay and what are its characteristics LB-7 static blocking relay is an electrical control device, which is used to block the relay protection when the AC voltage circuit breaks ...
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