| 摘要 |
A lightweight hermetically sealed electromagnetic relay has an electromagnet, an armature, and a contact assembly. An isolation barrier is interposed between the electromagnet assembly and the armature and contact assemblies and is arranged to support each of the assemblies. A transparent cover is bonded to the isolation barrier and protects the electrical contacts against external contamination from the operating environment as well as against internal contamination from impurities emitted by the coil insulative material.
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