The dual sensing Bay-O-Net fuse link is used in Bay-O-Net fuse holder to protect both distribution apparatus from damaging currents and distribution systems from failed apparatus. Usually it is used in series with ELSP current fuse or isolation link in transformer to get full range protective schedule.
The Dual sensing fuse link sense not only secondary faults, excessive load currents and transformer faults, but also transformer oil temperature. They will limit long-term transformer heating caused by overloads and high temperature environments.
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