400A 4 Pole Metal Standard Automatic Changeover Switch Mains to Backup IP55
Part Code: ACO400/4M2MSS
- M2M Mains to Backup - used where both power supplies are always assumed to be available
- Motorised switching with manual override
- All phases are monitored to protect against total power loss, phase failure and voltage variations of the primary supply
- Adjustable over and under voltage trip delay
- Electrical and mechanical interlocks between supplies
- External LED supply healthy indicators with parallel terminals for customer remote indication
