Deutsch 
English SEALEVEL 4220 | 
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| Protect your equipment from surges traveling through network cabling with the 4220 surge suppressor. The 4220 uses high energy metal oxide varistors (MOVs) and a double network of ultra-fast diodes and silicon avalanche diodes to protect against a wide range of potentially damaging surges, even from lightning. DIN rail mounting makes installation a snap. The 4220 has dual RJ45 connectors on each end. |  |
- Ports
- 2-port