Series 9077 – high voltage DC blocks Description Features The HUBER+SUHNER DC Block product line include DC blocks (inner conductor disconnected) and DC-DC blocks (inner and outer conductor disconnected) for galvanic isolation up to 15 kV. They block high-amplitude and low frequency surge voltages e.g. occurring during regular electric railway operation along railway lines. They provide sufficient safety even in the worst case scenario if the overhead high voltage lines fall to the ground. Applications DC and DC-DC blocks are coaxial components which block the flow of DC and low frequency signals up to 100 kHz while permitting RF signals to flow without loss through the component. They are used in line with coaxial feeder cables within communication installations. • Galvanic isolation of the RF signal path • Protects from effects caused by ground potential rise • Provides ground potential separation • Protects against electrolytic corrosion caused by parasitic current • DC blocking configuration on inner and/or outer conductor • Blocking DC voltage up to 15 kV • Broadband operation up to 3000 MHz • Low intermodulation performance • Bulkhead mounting and grounding • Waterproof design • Maintenance free • Protects against electromagnetic interference caused by traction return current 98 HUBER+SUHNER Lightning protection
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