A.o. Smith 100110094 4 Pole Contactor 50A 120V

Product Description

The A.O. SMITH 100110094 is a 4-pole contactor rated for 50 resistive amps at 120 volts, designed for use in heating system applications. A contactor is an electrically controlled switching device that opens and closes high-current load circuits in response to a control signal. This unit provides four poles of switching capacity, allowing it to handle multi-leg loads common in electric heating equipment. It is typically installed by licensed electricians or HVAC technicians servicing electric heating systems that require robust, reliable switching under sustained load conditions.

This contactor is suited for heating applications where a 4-pole configuration is required to switch multiple circuit legs simultaneously. Electric resistance heating systems, including electric furnaces and strip heaters, commonly use multi-pole contactors of this type to manage high-current loads. The 50-amp resistive rating makes it appropriate for moderately sized electric heating loads in residential or light commercial installations.

Key Features

• 4-pole configuration for switching multiple circuit legs in a single device
• 50 amp resistive rating handles sustained high-current heating loads
• 120-volt coil voltage for compatibility with standard low-voltage or line-voltage control circuits
• Designed specifically for heating system applications

Compatibility

Designed as an OEM-style replacement contactor for electric heating systems requiring a 4-pole, 50-amp, 120-volt switching device.

Installation Notes

Installation should be performed by a licensed electrician or qualified HVAC technician. Disconnect and lock out all power to the unit before removing or replacing the contactor. Verify coil voltage and pole configuration match the existing wiring diagram before energizing. Work should comply with applicable NEC requirements and local electrical codes.

Technical Specifications

• Type: 4 Pole Contactor
• Amperage: 50 amps (resistive)
• Voltage: 120 volts
• Application: Heating

Standard Information

• Brand: A.O. SMITH
• Manufacturer Part Number: 100110094