The AC contactor uses the main contact to open and close the circuit and the auxiliary contact to execute the control command.

主接點一般只有常開接點，而輔助接點常有兩對具有常開和常閉功能的接點，小型的接觸器也經常作為<中間繼電器配合主電路使用。

The main contact generally has only normally open contact, while the auxiliary contact often has two pairs of contacts with normally open and normally closed functions. Small contactors are often used as intermediate relays to cooperate with the main circuit.

交流接觸器的接點，由銀鎢合金制成，具有良好的導電性和耐高溫燒蝕性。

The contact of AC contactor is made of silver tungsten alloy, which has good conductivity and high temperature ablation resistance.

交流接觸器的動作動力來源于交流電磁鐵，電磁鐵由兩個“山”字形的幼硅鋼片疊成，其中一個固定，在上面套上線圈，工作電壓有多種供選擇。為了 使磁力穩定，鐵芯的吸合面，加上短路環。交流接觸器在失電后，依靠彈簧復位。

The action power of the AC contactor comes from the AC electromagnet. The electromagnet is stacked by two "mountain" shaped young silicon steel sheets, one of which is fixed and covered with a coil. There are a variety of working voltages for selection. In order to stabilize the magnetic force, a short-circuit ring is added to the suction surface of the iron core. After the AC contactor loses power, it returns by spring.

另一半是活動鐵芯，構造和固定鐵芯一樣，用以帶動主接點和輔助接點的開短。

The other half is a movable iron core, which has the same structure as the fixed iron core to drive the opening and shortening of the main contact and auxiliary contact.

安培以上的接觸器加有滅弧罩，利用斷開電路時產生的電磁力，快速拉斷電弧，以保護接點。

Contactors above ampere are equipped with arc extinguishing cover to quickly pull off the arc by using the electromagnetic force generated when disconnecting the circuit to protect the contact.

交流接觸器制作為一個整體，外形和性能也在不斷提高，但是功能始終不變。無論技術的發展到什么程度，普通的交流接觸器還是有其重要的地位。

The AC contactor is made as a whole, and its shape and performance are also improving, but its function remains unchanged. No matter what degree of technology development, ordinary AC contactor still has its important position.

交流接觸器利用主接點來開閉電路，用輔助接點來執行控制指令。

The AC contactor uses the main contact to open and close the circuit and the auxiliary contact to execute the control command.

主接點一般只有常開接點，而輔助接點常有兩對具有常開和常閉功能的接點，小型的接觸器也經常作為中間繼電器配合主電路使用。

The main contact generally has only normally open contact, while the auxiliary contact often has two pairs of contacts with normally open and normally closed functions. Small contactors are often used as intermediate relays to cooperate with the main circuit.

交流接觸器的接點，由銀鎢合金制成，具有良好的導電性和耐高溫燒蝕性。

The contact of AC contactor is made of silver tungsten alloy, which has good conductivity and high temperature ablation resistance.

交流接觸器的動作動力來源于交流電磁鐵，電磁鐵由兩個“山”字形的幼硅鋼片疊成，其中一個固定，在上面套上線圈，工作電壓有多種供選擇。為了使磁力穩定，鐵芯的吸合面，加上短路環。交流接觸器在失電后，依靠彈簧復位。

The action power of the AC contactor comes from the AC electromagnet. The electromagnet is stacked by two "mountain" shaped young silicon steel sheets, one of which is fixed and covered with a coil. There are a variety of working voltages for selection. In order to stabilize the magnetic force, a short-circuit ring is added to the suction surface of the iron core. After the AC contactor loses power, it returns by spring.

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