Typical causes of Self Supervision alarms in Arc Protection Relay VAMP 321 are:
- Disconnected Sensor
- Sensor Not installed
- Sensor Daylight Alarm
- Battery Channel Alarm
- Auxillary Supply Supervision
- Arc I/O & CAN-bus communication timeout
Released for: Schneider Electric India




Need help?
Product Selector
Quickly and easily find the right products and accessories for your applications.
Get a Quote
Start your sales enquiry online and an expert will connect with you.
Where to buy?
Easily find the nearest Schneider Electric distributor in your location.
Help Centre
Find support resources for all your needs, in one place.