Current limiters are intended to be installed at every track feed location in place of a standard non-limiting feed. These feeds incorporate a circuit breaker which are designed to limit available wattage to the track.Track System: Two Circuit (2-CCT / 1 Neutral)Voltage: 120V onlyAmperages: 1A, 2.5A, 5A, 7.5A, 10A, 12A