K278, 1 Hp, 1725 RPM, 208‑230/460 V, 3 Ph, 60 Hz, Drip Proof, Frame 56, 5K46MN4087

This three‑phase fan and blower motor is engineered for HVAC and air handling applications, delivering 1 Hp of power with a 1725 RPM speed in a compact 56 frame and open drip‑proof enclosure.

KEY FEATURES

• Model: 5K46MN4087 (K278)

• Product Type: Fan and blower motor

• Horsepower: 1 Hp (0.75 kW)

• Voltage: 208‑230/460 V @ 60 Hz – 3 Phase

• Speed: 1725 RPM @ 60 Hz

• Frame: 56

• Enclosure: Drip Proof (ODP)

• Service Factor: 1.15

• Efficiency: 77.4 %

• Current: 3.6‑3.8 / 1.9 A

• Duty: Continuous

• Insulation Class: B

• Thermal Protection: No Protection

• Design Code: B – KVA Code L

• Shaft: NEMA 56 – 0.625 in diameter

• Bearings: Ball Bearings (6203 DE & 6203 ODE)

• Frame Material: Rolled Steel

• Rotation: Counterclockwise/Clockwise (reversible)

• Number of Speeds: 1

• Certifications: UL Recognized, CSA

• Ambient Rating: 40 °C

• Country of Origin: Mexico

• Packaged Weight: 27.00 LB

• Packaged Length: 13.69 IN

• Packaged Width: 7.13 IN

• Packaged Height: 7.50 IN