| 摘要 |
The bimetallic thermal relay has a body in the form of a bowl with a cover, stop and restrictive lugs disposed opposite to each other carried out on the bottom of the body. The cover has a shape of a plate with a conical bottom in the center of which a lug with a hole is carried out. The body is installed into the metal cap with an internal circular collar on the roof. Two stop lugs on the bottom of the bowl additionally made, shifted by 90° in relation to stop and restrictive lugs disposed opposite to each other. A thermally sensitive element made as a bimetallic disc and disposed in the gap between the cap and the cover with possibility of periphery interaction with the collar of the cap and the center of the crown with the pusher disposed in the hole of the cover. On the movable contact clip a hole and a lug in the central part interacting with the pusher are carried. The adjusting screw disposed in the hole carried out on the movable contact clip with a possibility of turning in the appropriate hole made in the loop- holder of the movable contact clip. The relay has the second fixed contact clip with its contact wherein the fixed contact clips are carried out in the shape of flat arched tabs connected to the stop lugs of the foundation with possibility of interaction of their contacts with the contacts of the contact bridge of the movable contact clip. Design and technology of assembling are facilitated. |
