Schneider Electric C104TM063 trip unit TM63D for ComPacT NSX 100/160/250 circuit breakers. thermal magnetic. rating 63 A. 4 poles 4d. Official Schneider characteristics include Range: ComPacT; Range of product: ComPacT NSX100...250 ComPacT NSX100...250 DC; Product or component type: Trip unit; Trip unit name: TM-D; Trip unit technology: Thermal-magnetic; Range compatibility: ComPacT NSX100 ComPacT NSX160 ComPacT NSX250 ComPacT NSX100 DC; Device application: Distribution; Poles description: 4P.