the "C" suffix typically denotes a commercial packaging or updated revision code that does not impact technical compatibility

Complete Field Kit: Includes the 9/64" hex wrench and matching screws to eliminate tool-sourcing delays during service calls

HVAC Reliability: Constructed to withstand the high-cycle demands of modern furnace blower compartments

the system remains locked out until a technician performs a visual inspection

Using it on a 50Hz system can shift the pickup and dropout voltages

Schneider Electric (Barber Colman) MA51-7100-000 Actuator THPU32HP7Y the "C" suffix typically denotesThe Schneider Electric (Barber Colman) MA51 7100 000 Actuator is a robust 120V spring return linear actuator engineered for precise two position control in demanding HVAC applications. This DuraDrive series component delivers a consistent 105 lbf of force, making it the industry standard for direct mounting onto 1 2" to 2" VB 7xxx and discontinued 1 2" to 1 1 4" VB 9xxx globe valves. Designed to operate without separate linkages, the MA51 7100 000