6.3 Technical Specifications - MBG S-PRO surge protection
Attachment plug with replaceable gas discharge tube for coaxial signal interfaces. Connection: N connector
female/female. The MBG S-PRO set includes a surge voltage protector (Phoenix CN-UB-280DC-BB), a pre-
assembled coax cable and a mounting bracket.
The surge voltage protector for coaxial lines has to be installed in the antenna line. The shield has to be
connected to earth as short as possible. CN-UB-280DC-BB is equipped with two type-N female connectors.
It has no dedicated input/output polarity or prefered mounting orientation.
Phoenix CN-UB-280DC-BB
Features:
• High RF Performance
• Multiple Strike Capability
• 20 kA Surge Protection
• Bi-directional Protection
Mounting type Connection-specific intermediate plugging
Type Attachment plug
Direction of action Line-Shield/Earth Ground
Maximum continuous
operating voltage UC (wire-ground) 280 V DC
195 V AC
Nominal current IN 5 A (25
◦
C)
Operating effective current IC at UC ≤ 1 µA
Nominal discharge current In (8/20) µs (Core-Earth) 20 kA
In (8/20) µs (Core-Shield) 20 kA
Total surge current (8/20) µs 20 kA
(10/350) µs 2,5 kA
28 Date: 31st March 2021 SyncFire 1200
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