OMNIHIL AC/DC Power Adapter Compatible with NordicTrack GX, A.C.T, E Models Power Supply Home Wall Charger Compatible Models: GX 2.0; GX 2.5 ; A.C.T. Models: 831.238960; E 5.9 Models: 831.239570 831.239572; E 6.3 Models: 23946 Models: MX0 831.239460 831.239461 831.239463; GX 2.5 Models: 831.219720 831.219721 NTCCEX230120 NTEX230120 NTEX230121; GX 2.7 Models: 831.219130 831.219131; GX 4.0; GX 4.5 Models: 831.219830 831.219831 NTEX039120 NTEX039121; GX 4.7 Models: 831.219140 831.219141, GX 5.0 Adapter Rating: World Wide 120V 50/60Hz OVP, OCP, SCP Protection (OVP: Over Voltage output Protection. OCP: Over Current output Protection. SCP: Short Circuit output Protection) FREE RETURN SHIPPING / 5 YEAR FREE WARRANTY