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VAMP 221
Key Features:
- Flexible and modular system can be adapted to different targets requiring arc protection
- Cental unit and modular units engineer a scheme to your requirements
- Auxiliary supply and communication via modular cable
- Continuous supervision of sensors
- Connection of portable arc sensor in arc sensor I/O units
- Indication of arc sensor / current channel and trip relay activation
- 3-phase current measurement or 2-phase and earth-fault current measurement
- Circuit-breaker failure protection (CBFP)
- Operation on simultaneous current and light or on light only
- 4 normally open trip contacts
- One normally open and one change over alarm contact
- 7 ms operation time including the output relay
- Programmable operation zones