International Environmental 70021633 Motor

The International Environmental 70021633 is a purpose-built 1/6 HP direct drive motor engineered specifically for technical replacement within IEC fan coil units. Operating at 277V and 1075 RPM, this single-phase PSC (Permanent Split Capacitor) blower motor is an essential component for sustaining air delivery performance in commercial HVACR systems. It features a 1/2-inch diameter single shaft with an 8.4-inch length, optimized for direct drive applications where high-static efficiency and long-term reliability are non-negotiable. Often cross-referenced with GE model 5KCP29KK4450AS and used in M*Y 08 series units, this motor utilizes ball-bearing construction and an open air-over (OAO) enclosure to ensure thermal stability during continuous operation. For technicians servicing vertical or horizontal fan coils, ensuring the 70021633 motor replacement matches these electrical and mechanical footprints is critical for maintaining design-specified airflow cubic feet per minute (CFM) without over-amping the circuit.

• OEM Compatibility: Exact drop-in replacement for IEC 70021633 and E020-70021633 part numbers, eliminating the need for field modifications.
• Optimized Performance: Operates at 1075 RPM with a 0.71 Full Load Amp (FLA) rating to ensure high-efficiency air movement in 277V circuits.
• Robust Design: Equipped with a direct drive single shaft and ball bearings for reduced vibration and improved mechanical longevity.
• Thermal Management: Open air-over enclosure allows for superior heat dissipation, making it suitable for demanding HVAC fan coil applications.

Common Questions

What are the rotation and shaft specifications for the 70021633?
This motor typically features a 1/2" diameter shaft at 8.4" length and is designed for the specific rotation requirements of IEC fan coil assemblies; always verify the rotation lead configuration (CW/CCW) against your existing blower wheel orientation before installation.

Does this motor include the run capacitor?
While many 1/6 HP 277V motors require a specific microfarad rating, it is industry best practice to install a new capacitor when replacing the 70021633 to prevent premature winding failure and ensure proper starting torque.

Which units is this motor commonly used in?
The International Environmental 70021633 is primarily found in IEC commercial fan coils, specifically tailored for the M*Y series 08 units and similar high-performance air handlers.

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Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.