Marathon Electric K278 Product Information Packet

PRODUCT INFORMATION PACKET

Model No: 5K46MN4087

Catalog No: K278

1 HP Fan and Blower HVAC/R Motor, 3 phase, 1800 RPM, 208-230/460 V, 56 Frame, ODP

Self Cooled Motors

Regal and Marathon are trademarks of Regal Beloit Corporation or one of its affiliated companies.

©2020 Regal Beloit Corporation, All Rights Reserved. MC017097E

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Product Information Packet: Model No: 5K46MN4087, Catalog No:K278 1 HP Fan and Blower HVAC/R Motor, 3 phase, 1800 RPM, 208-230/460 V, 56
Frame, ODP

Nameplate Specifications

Output HP 1 Hp Output KW 0.75 kW
Frequency 60 Hz Voltage 208-230/460 V
Current 3.6-3.8,1.9 A Speed 1725 rpm
Service Factor 1.15 Phase 3
Efficiency 77.4 % Power Factor 0
Duty Continuous Insulation Class B
Design Code B KVA Code L
Frame 56 Enclosure Drip Proof
Thermal Protection N/R Ambient Temperature 40 °C
Drive End Bearing Size 6203 Opp Drive End Bearing Size 6203
UL Recognized CSA Yes
CE N

Technical Specifications

Electrical Type Three Phase Starting Method N/R
Poles 4 Rotation Counterclockwise/Clockwise
Mounting Resilient Base Motor Orientation ANY
Drive End Bearing BALL Opp Drive End Bearing Ball
Frame Material Rolled Steel Overall Length 10.88 in
Frame Length 6.55 in Shaft Diameter 0.630 in
Shaft Extension 1.88 in Thru-bolts Extension 0 in
Connection Drawing 113A930FIG2 Outline Drawing 52A109511P2

This is an uncontrolled document once printed or downloaded and is subject to change without notice. Date Created:03/11/2020

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