Smartele SE3704M Contactor 30 Amp 3 Pole 24V

Product Description

The SMARTELE SE3704M is a 3-pole definite-purpose contactor rated for 30 amps with a 24-volt coil. It is designed for switching motor loads and compressor circuits in HVAC applications including central air conditioning systems and heat pumps. The SE3704M provides reliable electromechanical control in both residential and light commercial systems. Licensed HVAC technicians install this contactor as a direct replacement when existing contactors show signs of pitted contacts, coil failure, or mechanical wear that causes compressor or condenser fan circuit faults.

This contactor fits into the control circuit of split-system condensing units and packaged rooftop equipment where a low-voltage thermostat signal energizes the 24-volt coil to close the line-voltage load contacts. Its 3-pole configuration makes it suitable for three-phase load switching or applications requiring three switched legs. The unit is appropriate for residential new installations and service replacement work in the field.

Key Features

• 30-amp load rating for compressor and motor circuit switching
• 3-pole design provides three independently switched load contacts
• 24-volt AC coil compatible with standard low-voltage HVAC control circuits
• Definite-purpose construction suited for repetitive switching duty in HVAC systems
• Compact form factor for installation in standard condensing unit control compartments

Compatibility

Designed as an OEM-style replacement contactor for HVAC condensing units and packaged systems requiring a 30-amp 3-pole contactor with a 24-volt coil.

Installation Notes

Installation should be performed by a licensed HVAC technician. Disconnect and lock out all power to the condensing unit at the disconnect box before removing the existing contactor or handling load-side wiring. Verify coil voltage and pole count match the application requirements before energizing. Follow NEC guidelines for line-voltage terminations and low-voltage control wiring separation.