| 摘要 |
A releasable link is mounted on the wall of a duct, plenum, chamber or the like. The link releases in response to a predetermined increase of temperature within the duct. The link is resettable without having to gain access to the interior of the duct. In addition, the link can be released manually or remotely from the outside. In another embodiment, in addition to being resettable as well as manually and/or remotely releasable from the outside, the link is releasable in response to a predetermined temperature increase occurring either within or outside of the duct.
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