Switch Key Automatic Emergency Test 230V ACEnsure compliance and simplify emergency lighting maintenance with this Automatic Emergency Test Key Switch (230V AC). Designed to interrupt power for a set duration, it automatically restores supply to emergency luminaires once the test is completepreventing unnecessary battery depletion. With secure key access and three pre set test periods (10 minutes, 1 hour, and 3 hours), it's ideal for routine emergency lighting inspections in commercial,