When railroad systems share common corridors with overhead power transmission or distribution systems, they are susceptible to damaging power line fault and lightning surge events. Dairyland’s Overwatch HEFPD was designed using our decades of experience in high-energy applications to withstand the powerful, long-duration events caused by AC faults. Developed in response to the new AREMA C&S Manual Part 11.3.7 for High-Energy Fault Protective Devices, Overwatch will protect your track-connected signal and crossing warning systems and prevent costly interruptions.
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