Capacitor Start/Induction Run Submersible Motor Control, 3/4 hp

Myers SMC-IR0721-01 – Submersible Motor Control Box, 3/4 HP, 230V The SMC-IR0721-01 submersible motor control is a heavy-duty capacitor-start control box engineered for use with 3/4 horsepower, 230V, single-phase 3-wire submersible motors. This unit supports reliable motor startup and sustained operation in water well systems and other demanding pump installations. Product Features Power Compatibility: Designed for 3-wire submersible motors rated at 3/4 HP, 230V, 60 Hz Enclosure Type: Weather-resistant NEMA 3R steel enclosure suitable for both indoor and outdoor mounting Protective Finish: HardBond™ powder-coated surface offers enhanced resistance to corrosion in high-humidity environments Overload Protection: Manual reset thermal overload button is externally accessible without opening the box Heavy-Duty Electrical Contacts: Built for repeated switching under inductive load Flexible Conduit Entry: Multiple knockouts for wiring convenience and field adaptability Conductor Accommodation: Terminal lugs accept copper wire up to #4 AWG Specifications Horsepower Rating: 3/4 HP Voltage: 230V, single-phase Dimensions: 8.5" H × 4.9" W × 2.8" D Enclosure Rating: NEMA Type 3R (rainproof) Mounting Style: Surface mount with pre-punched holes Agency Approvals: UL listed for pump control applications Application and Use This control box is recommended for use with Pentek and equivalent submersible motors in residential, agricultural, or light commercial pumping systems. It is designed to control capacitor-assisted startup and continuous operation of 3-wire motors in deep well applications. Installation Guidance Installation should be performed by a licensed electrician or pump technician familiar with submersible pump systems. Ensure all connections meet NEC requirements. Verify motor type and electrical specifications before energizing the system.