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Baldor Electric industrial motor, 56H frame, totally enclosed fan cooled, capacitor start run design

Baldor Electric

Baldor Electric L3509 Capacitor-Start Machinery Motor 1 HP 115/230V AC 56H Frame 3600 RPM

SKU CH-QWKX-226WJ

Single-phase capacitor-start motor delivers 1 HP at 3,600 RPM in a 56H frame for 115/230V AC operation

  • typeClosed Base
  • 1 HP capacitor-start motor for high starting torque
  • Dual 115/230V AC input fits common shop wiring
  • 56H frame matches standard mounting dimensions
  • 3600 RPM synchronous speed for direct-drive applications
  • Continuous duty with 1.25 service factor handles sustained loads

Purpose and fit

This Baldor Electric L3509 is a 1 HP single-phase capacitor-start motor built for continuous-duty machinery. It suits workshops and light-industrial equipment that need a standard 56H frame and 3600 RPM output.

Build and connections

The totally enclosed fan-cooled enclosure with a closed base protects windings from dust and debris in typical shop environments. Dual-voltage 115/230V AC wiring and reversible CW/CCW shaft rotation simplify installation on existing mounting patterns.

Upgrade path and limits

It replaces worn capacitor-start units of the same frame, horsepower and speed where a 1.25 service factor and Class B insulation are specified. The motor is not usable at 200V and lacks internal thermal protection, so external overload provision is required.

Highlights

  • 1 HP capacitor-start motor for high starting torque
  • Dual 115/230V AC input fits common shop wiring
  • 56H frame matches standard mounting dimensions
  • 3600 RPM synchronous speed for direct-drive applications
  • Continuous duty with 1.25 service factor handles sustained loads

Specifications

BrandBALDOR ELECTRIC
typeClosed Base

Questions about this item

What voltage range does the 115/230 V AC motor support, and can it run on 208 V?

The motor is rated for 115/230 V AC and is usable at 208 V, but it is not usable at 200 V.

What frame size and shaft configuration does the 56H frame motor use?

It uses a NEMA 56H frame with a closed base mounting and a standard shaft for CW/CCW rotation.

How do I wire the capacitor-start motor for 115 V versus 230 V operation?

Follow the nameplate wiring diagram to reconnect the dual-voltage leads and the start/run capacitor for the chosen voltage.

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