Standard Motor Catalog

Section ES Energy Saver TEFC General Purpose Severe Duty NEMA B Motors

Energy Saver TEFC General Purpose Severe Duty

NEMA B (IP54) Standard Features

Cast Iron Frame

Aluminum Frame

NEMA Frame Size

143 - 449

143 - 286

Poles

2, 4, 6

2, 4

2-pole - 1 - 250 4-pole - 1 - 250 6-pole - 1 - 200

Horsepower Range

1 - 30

Voltage

230/460, 460

208-230/460

2-pole: 143 - 256 fr - T 284 - 449 fr - TS 4- & 6-pole: 143 - 449 fr - T

Shaft Extension

284 - 286 2-poles TS, all others T

UL - Component and Insulation System Recognition CSA - Certification and Efficiency Verification

UL - Insulation System Recognition CSA - Certification and Efficiency Verification

Agency Approvals

Altitude

3300 ft

3300 ft

Maximum Ambient Balance and Vibration

40°C

40°C @ 1.15SF @ 60Hz

NEMA Grade A

Belted - 26,280 hrs per NEMA MG1 14.42.2 Direct Coupled - 130,000 hrs 4-pole and above, 65,000 hrs 2-pole

Bearing L10 Life

Direct Coupled - 65,000 hrs

Bearing Caps

Drive End

Bearing Lubricant Bearing Protection

Polyurea

C&U2#, SRL

Steel reinforced neoprene shaft slinger

Bearing Re-Lubrication

None

Double Shielded on smaller motors. Larger motors are single shielded. Brass drains at the lowest point of both end shields

Bearing Type

Deep Groove Ball Bearings

Condensation Drain

HORIZONTAL NEMA MOTORS

Conduit Box Cover Gasket Conduit Box Hole Thread Conduit Box Material Conduit Box Rotation Div 2 Temp Codes Drive End Bearing Sizes

Neoprene Rubber

Nitrile-butadiene rubber

NPT

NPT

Stamped Steel

FS140: Steel / FS180 ~ FS280: Aluminum

90 degree increments

90 degree increments

Division 2 Class I Groups A, B, C and D T3 temp code

205/206/208/309/310

Efficiency Enclosure

Per USA and Canada Legislation

NEMA Premium

TEFC, IP55

End Shield Material

Cast iron

Aluminum

External Surface of ODE ES Painted

Yes

Bidirectional, Non-sparking Plastic (Some high HP 2-poles are unidirectional)

Fan

Non-sparking

Fan Cover Material

Stamped Steel

Steel

Fasteners

Hex Head, Zinc Plated

Field Modifiable to F2

Yes

Frame/Conduit Box Gasket

Neoprene Rubber

Nitrile-butadiene rubber

Frame Material

Cast iron

Aluminum

Frequency

60/50

Insulation Class

Class F

Class F

ES.3

Data subject to change without notice. 03/24 • www.wolongamerica.com