Direct current contactor with pressure release protection mechanism
A DC contactor and protection mechanism technology, applied in the direction of relays, electromagnetic relays, detailed information of electromagnetic relays, etc., can solve problems affecting the normal use of supporting devices, DC contactor structure burst damage, etc., to improve the ability to cut off abnormal loads, Reduced risk of damage, effect of reducing medium temperature
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[0018] Example 1:
[0019] See attached figure 1 As shown, it is a schematic cross-sectional structure diagram of the DC contactor of the present invention. The DC contactor includes a sealed housing 1 in which two static contacts 2 arranged side by side, a movable movable contact piece 3 and a vertical push rod 4 are installed in the inner cavity of the sealed housing 1 , The movable contact piece 3 and the two static contacts 2 are respectively arranged vertically opposite to each other, the upper side of the push rod 4 is connected with the movable contact piece 3, and the push rod 4 can also drive The moving contact piece 3 is connected to the two static contacts 2 respectively, or drives the moving contact piece 3 to be disconnected from the two static contacts 2 respectively; in particular, in the sealed housing 1 The lower outer positioning sleeve is connected with a base shell 5. The base shell 5 and the lower outer wall of the sealed shell 1 together form a sealed chamb...
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