Siemens 3TF4822-0AL2 is a 3-pole, size-4 industrial contactor rated for AC-3 duty at up to 75 A, suitable for three-phase motor starting with a 37 kW rating at 400/380 V. It uses a 230 V AC control coil (50/60 Hz) and provides four auxiliary contacts in a 2NO+2NC configuration for signaling and interlock wiring. Designed for three-phase motor control in industrial cabinets, this device pairs a 75 A load rating with four auxiliary contacts to support complex control schemes.
