DAS (Dynamic Arc Flash Sentry)

DAS (Dynamic Arc Flash Sentry)

NEC 240.87

1. Energy-reducing maintenance switching with a local status indicator
2. An energy-reducing maintenance switch allows a worker to set a circuit breaker trip unit to instantaneous while the worker is working within an arc flash boundary as defined in NFPA 70E, and then to set the trip unit back to a normal setting after the potentially hazardous work is complete.

Standard DAS – WL & Sentron Breakers

1. One DAS system per WL Breaker (ETU776 trip unit required)
2. (4) Sentons w/ DAS in 7.5” Auxiliary compartment
3. (5-6) Sentons w/ DAS in 10” Auxiliary compartment
4. (7-8) Sentons w/ DAS in 15” Auxiliary compartment
5. Each breaker has it’s own independent DAS setup
   1. One Light & Switch per breaker
   2. Standard mount with lights & switch in DAS auxiliary compartment
   3. Custom option to supply for customer to mount remotely
   4. Auxiliary compartment in same or adjacent section required for each WL
6. SB2 or SB3 with custom auxiliary compartments
7. Use on mains and/or branches

Standard DAS – WL Breakers

1. DAS may be unselected on device if not required
2. If an auxiliary compartment is already configured on device, use Existing DAS
   1. Compartment will remove the automatically created DAS compartment
3. Meters / SPDs can be added to the automatically generated DAS compartments

Standard DAS – Sentron Breakers

VL breakers will default… you must manually select a Sentron type breaker

1. Select Solid State Trip Unit
2. Select Sentron type from list (Format = SxxD6 @ ##K)
3. Select Frame amperage from list

DAS Defaults when >= 1200A / Optional when < 1200A