Mars 91411 Definite Purpose Contactor 1-1/2 Pole 40A 24V HVAC

The Mars 91411 is a definite purpose contactor rated at 40 amps with a 24V AC coil, configured as a 1-1/2 pole (1 pole with shunt) design. Built for the demands of HVAC/R systems, it delivers reliable switching performance with a rated mechanical life of 1,000,000 cycles.

This contactor is engineered for use in air conditioning, refrigeration, and electric resistance heating systems. The universal mounting base allows it to serve as a direct replacement for most competing contactor brands, simplifying service and reducing the need to stock multiple SKUs.

Key Features:

• Contactor Type: Definite Purpose
• Configuration: 1 Pole + Shunt (1-1/2 Pole)
• FLA (Inductive): 40A
• FLA (Resistive): 50A
• Coil Voltage: 24V AC
• Coil Frequency: 50/60 Hz
• Terminal Type: Box lug with 4 quick-connect terminals per pole
• Mechanical Life: 1,000,000 cycles
• Silver-cadmium contacts for long-lasting, low-resistance switching
• Enclosed coil and contact cover reduce dirt and insect intrusion
• Universal mounting base for broad cross-brand replacement compatibility
• Compact, straight-through wiring design speeds installation
• Certifications: cULus listed; meets ARI 780/790 requirements

The Mars 91411 is part of the 910 Series of definite purpose contactors, a trusted line for HVAC/R technicians and electrical contractors. Its compact footprint and box lug terminals make it easy to install in tight equipment enclosures.