MARATHON ELECTRIC R506

MARATHON ELECTRIC R506

MARATHON ELECTRIC

MARATHON ELECTRIC R506

R506 PART NUMBER

280STFC6501 IEC Frame Motors - 3 ph, 75.0 kW, 3600 rpm, 230/460 V, 280S Frame, TEFC (Totally Enclosed Fan Cooled) Enclosure, 60 Hz

MARATHON ELECTRIC - MARATHON ELECTRIC R506

Meets IE3 European and NEMA Premium® efficiencies

Aluminum (63-90 frame) or Cast Iron (100-315 frame) frame construction

Nameplated 60/50 hertz at same HP, above 90 frame is 60/50 Hz at next lower HP

MAX GUARD® Class F Insulation, Class B rise @ rated KW

IP55 weatherproof enclosure, Rotatable/Removable Base (63-90 frame)

Wye Start-Delta Run on 160 Frame and larger

10:1 Variable Torque, Constant Torque speed range as noted

Top Mounted/Oversized gasketed terminal box

Meets IEEE45, IEC60092 & USCG CFR46 Marine Duty (63-90 frame “Below Deck”)

1.15 Service Factor on 60 Hz sine wave, 1.0 SF or VFD, IEC Design “N” with NEMA “B” Torques


SPECIFICATIONS

Motor Phase 3 ph
Volts @ Frequency 230/460 @ 60 V, Hz
Kw 75 kW
Shaft Type IEC
Synchronous Rpm 3600 rpm
Shaft Diameter 2.56 in
Motor Supply Voltage 230/460 V
Shaft Rotation Reversible
Frame Size 280S
Overall Length (C-Dimension) 38.38 in
Enclosure Type TEFC (Totally Enclosed Fan Cooled)
Bearing Type Ball
Frequency Rating 60 Hz
Drive End Bearing Size 6314
Duty / Condition Type Continous Duty
Opposite Drive End Bearing Size 6314
Assembly/Box Mounting F3
Opposite Drive End Bearing Type Ball
Mounting Type Rigid Base
Nema Design Class B
Base Rpm 3575 rpm
Service Factor 1.15
Starting Method Part Wdg Start & Wye Start Delta Run Or Inverter
Frame Material Cast Iron
Ambient Temperature Range 40 °C
Insulation Class F
Electrical Type Squirrel Cage Inverter Rated
Ip Rating 55
Kva Code H
Standards Met CE,UL Recognized,CSA
Thermal Protection None
Manufacturer Product Page https://www.regalbeloit.com/api/sitecore/Product/GeneratePack?model=280STFC6501
Motor Poles 2-pole
Manufacturer Upc Number 722856026996
Full Load Efficiency 0.941
2D Drawing https://ids.regalbeloit.com/drawingsearchcomponent/drawing.do?invoke=viewDrawingSearchResults&drawingNo=SS622380&displayType=pdf&rules=on&[email protected]&[email protected]&model=280STFC6501
Motor Orientation Horizontal
Wiring Diagram https://ids.regalbeloit.com/drawingsearchcomponent/drawing.do?invoke=viewDrawingSearchResults&drawingNo=00417201ME&displayType=pdf&rules=on&[email protected]&[email protected]&model=280STFC6501
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RPM GROUP

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