Motor/Control Division

Motor Type	MAX-E1 NEMA Premium Efficiency Severe Duty TEFC/Inverter Duty
Frame	5808B
Output Power	500 HP kW
RPM	1200 RPM
Voltage	575V 3-Phase 60Hz
Enclosure	Totally Enclosed Fan Cooled (TEFC) IP54 for 280 Frames and below IP55 for 280TS Frames and above
Full Load Effieciency	95.8 %
Full Load Power Factor	88.0 %
Full Load Amps	444 Amps @ 575V
Shipping Weight	6330 lbs

Features :

Three Phase, 60 Hz, 1.15 Service Factor (Continuous); 50 Hz, 1.0 Service Factor (Continuous)
CSA Certified for Class I, Div. 2, Groups B, C, D - Temp Code T3 Minimum(7,8)
CSA Certified for Class II, Div. 2, Groups F & G - Temp Code T3 Minimum(7,8,12) (444T and Above)
Class F Insulation
Class B Temperature Rise
NEMA Design B Torques as a Minimum; Various Ratings also Meet Design C
Cast Iron Frame, End Brackets & Fan Cover and Main Conduit Box(9
Grounding Terminal Inside Main Conduit Box
Oversized Main Conduit Box Rotatable in 90 Degree Increments - F1 Mounted
Designed for 40°C Ambient Temperature(3)
Designed for 3300 ft. Elevation(4)
Bi-Directional Rotation; Except 2 Pole "Hybrid" and Frames# 5000 and Larger Ratings are Counter-Clockwise facing the DE
1045 Carbon Steel Shaft
z Aluminum Die Cast Squirrel Cage Rotor Construction for Frames# 140T - 449T
Paint System: Phenolic Rust Proof Base Plus Polyurethane Top Coat
Paint Color: Light Gray - Munsell N5.0
Double Shielded Bearings Pre-Packed with MULTEMP SRL for Frames# 140T - 280T (Non-regreasable)
High Quality Ball (or Roller) Bearings Regreasable with Mobil Polyrex™ EM for Frames# 280TS and Larger
Automatic Grease Discharge Fittings on Regreasable Models
Labyrinth Type Metal Flinger on Both Ends for Frames# 280TS and Larger
Cast Iron Inner and Outer Bearing Caps for Frames#280TS and Larger
Stainless Steel Nameplate
z New Dual Column Design Nameplate as Standard (60/50 Hz)
z Suitable for Inverter Use per NEMA MG-1.4.4.2, Part 31(5,6,11)
z Inverter Duty Speed Range: 20:1 Variable Torque, 10:1 Constant Torque (350 HP and Larger are 3:1 Constant Torque)(11)
9 Leads for 5 HP and Smaller
12 Leads for 7.5 HP to 125 HP
6 Leads for 150 HP and Larger
Motors are U.L. Recognized, CSA Approved, CE Marked. ABS Design Assessment from 250 HP-800 HP(11)
Dual Drilled Feet Available on Most Ratings - Longer Frames (i.e. 145T Drilled also for 143T)
2-Pole Motors 600 HP and Larger are Form Wound and Insulated Non-Drive End Bearing
Rubber Dust Flinger on Drive-End for Frames# 140T - 280T
Catalog Numbers Ending in "R" Come Standard with Roller Bearings for Belted Applications.

Applications :

Fans & Blowers
Pumps
Crushers
Compressors
Mixers
Conveyors
Any Severe Duty / Petro-Chemical / Pump & Paper Application

Notes :

TWMC carries minimal MAX-E1® 575V stock; please check availability to ensure required motors are available. Ratings may be available from our Canadian warehouses at a higher price or from our factory with a longer lead time. Pricing and lead time may vary
Motors 7.5 HP & up are Suitable for Wye/Delta Starting.
Consult a Stock Product Application Specialist for suitability in higher ambient environments.
Consult a Stock Product Application Specialist for suitability at higher elevations.
Motor service factor is 1.0 when operated on a VFD.
Precautions should be taken to eliminate or reduce shaft currents that may be imposed on the motor by the VFD as stated per NEMA MG-1. Part 31
Catalog# EP3502, EP3504, EP4002T & EP4004T are "Hybrid" ratings; Not CSA Certified (Self-Certify Only) for hazardous locations, and not dual drilled.
Catalog# EP3006 also not CSA Certified for Hazardous Locations (Self-Certify Only).
F# 5000 and with Larger with Pressed Steel Plate Main Conduit Box.
F# 5007 - 5011 8 Pole Ratings are Aluminum Die Cast Squirrel Cage Rotor Construction.
EP4002T & EP4004T are hybrid frames and not VFD suitable.
Various temp codes apply to ratings. Consult a product specialist for accurate code.

Type

Electric Motor

Speed

1200RPM

Input Phase

3-Phase

Horsepower

500HP

Frame

5808B