ETC’s SC1008 Branch Circuit Emergency Lighting Transfer Switch (BCELTS) is designed to automatically switch a single 20A, 120V or 277V lighting load from a normal power source to an emergency power source when there is a power failure or other emergency situation present.
Interlocked break-before-make relays
Control bypass relay for 0-10V or DALI controlled circuits
Continuous monitoring of normal and emergency power
Field-selectable normally open (NO) or normally closed (NC)
dry contact fire alarm input
Convenient and clearly marked contractor terminations