ACS 2 SPL HP Compressor Duty Motor, 56 Frame, 3450 RPM, 120/240V
ACS single-phase compressor duty motor, model 56S34D2M, running 3450 RPM on either 120V or 240V in a 56 frame with a 5/8 in. shaft. The AirComParts catalog rates it 2 SPL HP. It is the standard replacement for the small belt-driven shop compressors that shipped with a special-rated OEM motor.
Key specifications
- Rating: 2 SPL HP per the AirComParts catalog. The motor nameplate prints "SPL" with no horsepower figure
- Speed: 3450 RPM, 2 pole
- Phase and frequency: single phase, 60 Hz
- Frame: 56, rigid foot base
- Voltage: 120/240V, dual voltage with the wiring diagram on the nameplate
- Full load amps: 15 A at 120V, 7.5 A at 240V
- Service factor: 1.0
- Enclosure: ODP, open drip-proof
- Insulation class: F
- NEMA code letter: F
- Duty: continuous, 40 C ambient
- Shaft: 5/8 in. diameter, keyed
- Bearings: 6203RZ ball
- Protection: thermally protected
- Rotation: CCW facing the drive end, non-reversible
- Weight: 27 lb
- Model number: 56S34D2M. Certification: CSA file 260550
Reading the SPL rating
SPL means special, an OEM rating rather than a NEMA-certified horsepower. The manufacturer does not print a true continuous horsepower on this nameplate at all, only "SPL," so the 2 HP figure comes from the AirComParts catalog rather than from a NEMA test. Size your replacement by the 15 amp draw at 120V, the 56 frame and the 5/8 in. shaft rather than by the horsepower number. The 1.0 service factor means no overload headroom.
Typical applications
Replacement motor for small belt-driven single-stage air compressors using a 56 frame motor with a 5/8 in. keyed shaft at 3450 RPM, on either 120V or 240V single-phase power. The motor is non-reversible, so confirm your pump rotates counterclockwise facing the drive end before ordering.
Supplied by AirComParts as part number J5039. Shaft extension length and keyway dimensions are not published by the manufacturer, so check them against your existing motor if the sheave fit is tight.
NOTE: Actual product may be different from pictured!
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