Schneider Electric GV3-ME63 (GV3ME63) is a three-pole thermal-magnetic motor circuit breaker designed to provide overload and short-circuit protection for three-phase motors in industrial control systems. It offers adjustable current settings from 40 to 63 A and is rated for up to 690 VAC at 50/60 Hz in AC-3 motor-control applications, with a motor power rating up to approximately 45 kW at 690V. The device delivers up to 100 kA breaking capacity at 230 VAC and supports DIN rail or panel mounting with screw-clamp terminals, incorporating protection for overload, short-circuit, and phase failure. Common replacements include GV3ME80.
