Baldor-Reliance
Baldor-Reliance CHC3525A 1/2 HP Capacitor-Start Fan Motor 115/230V 56Z Frame
Single-phase capacitor-start fan motor delivers 1/2 HP at 1,100 RPM with dual-voltage 115/230V AC operation and 56Z frame mounting
- TypeMotors
- 1/2 HP output powers ventilation equipment
- Capacitor-start design delivers strong starting torque
- Dual-voltage 115/230 V AC fits common supplies
- Totally enclosed air-over enclosure resists dust and moisture
- 56Z frame with resilient base simplifies mounting
Baldor-Reliance 1/2 HP Capacitor-Start Fan Motor
This Baldor-Reliance CHC3525A is a single-phase capacitor-start fan motor rated at 1/2 HP. It runs at a nameplate speed of 1,100 RPM on 60 Hz power and accepts dual-voltage input of 115V or 230V AC. The 56Z frame and resilient base mounting suit direct-drive fan and blower installations. It is not for applications requiring variable speed control or inverter duty.
Thermals and power draw at continuous duty
The motor carries a 1.0 service factor and Class F insulation for a maximum ambient temperature of 40 °C. Full-load current measures 2.6 A at 115V and 5.2 A at 230V, reflecting the single-speed capacitor-start design. Automatic thermal protection interrupts power if windings overheat. The totally enclosed air-over enclosure relies on the driven fan airflow for cooling.
Bundled features that affect installation
The shaft rotates counter-clockwise when viewed from the drive end and uses a standard keyed design for pulley or hub attachment. Part-winding start capability is built in, allowing reduced inrush current on compatible controllers. No inverter-rated operation is supported, so the motor must be fed clean line-frequency power. Mounting hardware and capacitors are not included.
Highlights
- 1/2 HP output powers ventilation equipment
- Capacitor-start design delivers strong starting torque
- Dual-voltage 115/230 V AC fits common supplies
- Totally enclosed air-over enclosure resists dust and moisture
- 56Z frame with resilient base simplifies mounting
Specifications
| Brand | BALDOR-RELIANCE |
|---|---|
| Type | Motors |
Questions about this item
How do I wire the CHC3525A for 115 V versus 230 V, and which terminal block step is often missed?
Follow the motor nameplate diagram; the dual-voltage lead connections must be changed for 115 V or 230 V, and the grounding screw on the resilient base is the step most installers forget.
What component will need replacement first on this 1/2 HP capacitor-start motor?
The external start capacitor is the primary wear item; inspect it periodically and replace if the motor fails to reach the 1,100 RPM nameplate speed.
What thermal limit stops continuous operation first on the totally enclosed air-over design?
The automatic thermal protector trips when internal winding temperature exceeds the Class F limit at the maximum 40 °C ambient rating.
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