- Banking, Financial and Insurance
- Broadcast and Entertainment
- Power Generation
- Designs are based on NEMA and UL 891 standards.
- Optional engine start control logic and/or load control logic.
- Available up through 4000 amperes using ASCO 7000 series automatic transfer switches. 7ATS, 7ATB, 7ACTS and 7ACTB.
ASCO Three-source system
ASCO Three-Source Systems are similar to ASCO Two-Source Systems except that a second alternate power source is added to back up the first if that power source fails.
Control logic for selecting between the alternative power sources.Normal, emergency, and/or load circuit breakersProtective relaying (as required)Optional instrument meters for normal, emergency, or load for local monitoring.