621830 Nordyne 1/3HP 208/230V 1000RPM 48FRM Blower Motor
621830 Nordyne Blower Motor 1/3HP 208/230V 1000RPM 48FRM
Product Description
The 621830 is a direct-drop, OEM-grade blower motor for Nordyne 48 FRM furnace and air-handler applications. This 1/3 HP permanent-split capacitor (PSC) motor runs on 208–230 VAC, spins at 1 000 RPM under load, and delivers smooth, quiet airflow. Encased in a corrosion-resistant steel housing with integrated thermal overload protection, it installs into factory blower assemblies with a ½ in × 4 in shaft and quick-connect three-speed harness.
Key Features
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1/3 HP PSC design for reliable continuous duty
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Dual-voltage 208/230 VAC, single-phase operation
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Steady 1 000 RPM under load
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Built-in auto-reset thermal overload protector
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Pre-attached three-speed, color-coded wiring harness
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48 FRM steel housing with anti-corrosion finish
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Counterclockwise shaft rotation (viewed from shaft end)
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½ in × 4 in steel shaft with keyed end
Technical Specifications
| Specification | Details |
|---|---|
| Frame | 48 FRM steel housing |
| Horsepower (HP) | 1/3 HP (0.33 HP) |
| Voltage | 208–230 VAC ±10 % |
| Frequency | 60 Hz |
| Speed | 1 000 RPM under load |
| Full-Load Amps (FLA) | 3.2 A @ 230 VAC |
| Pole Count | 4 poles |
| Capacitor | 6 µF run capacitor recommended |
| Rotation | CCW viewed from shaft end |
| Shaft | ½ in diameter × 4 in length, keyed |
| Thermal Protection | Internal auto-reset overload |
| Ambient Operating Range | –20 °F to 150 °F (–29 °C to 65 °C) |
Compatibility
Fits Nordyne and OEM furnaces and air handlers originally equipped with a 48 FRM, 1/3 HP, 1 000 RPM PSC blower motor. Always verify nameplate data before ordering.
| Furnace Model | Series | Capacity | Orientation | Notes |
|---|---|---|---|---|
| G9MA024A1 | Multi-position | 2 Ton / 24 MBH | Upflow | OEM motor PN 621830 |
| G9MA030A1 | Multi-position | 2.5 Ton / 30 MBH | Upflow | |
| G9MA036A1 | Multi-position | 3 Ton / 36 MBH | Upflow | |
| G9MP048B1 | Multi-position | 4 Ton / 48 MBH | Multi-pos. | |
| G9QC036A2 | Horizontal | 36 MBH | Horizontal | |
| G9QC050A1 | Horizontal | 50 MBH | Horizontal | |
| E9MH040B1 (Coleman) | Energy Plus | 40 MBH | Upflow | OEM equivalent |
| E9MH050C (Coleman) | Energy Plus | 50 MBH | Horizontal | |
| G8QA080E (Intertherm) | Horizontal | 80 MBH | Horizontal | |
| G9QC070A2 (Concord) | Multi-position | 70 MBH | Multi-pos. |