Siemens 3TD4102-0XF0 Reversing Contactor 2NO2NC 120 VAC

Siemens 3TD4102-0XF0 is a reversing contactor designed for motor-control applications that require shifting rotation direction, powered by a 120 VAC coil for straightforward integration into standard control circuits. It includes two normally open and two normally closed auxiliary contacts (2NO2NC), enabling interlock and feedback signaling essential for safe, reliable reversing operations in automation panels. Also listed as 3TD41020XF0 in some documentation, this part sits within Siemens’ modular contactor family and is intended to be paired with compatible main-contact modules to form a complete reversing arrangement, with exact compatibility and fitment dependent on your installation’s main contactor components and control wiring.