Standard Motor Catalog

Section XS XSD Ultra NEMA Premium Extra Severe Duty Motors XSD Ultra 841 TEFC—Extra Severe Duty (IP56) Standard Features

NEMA Frame Size

143 - 449 2, 4, 6 & 8

Poles

2-pole - 1 - 300 4-pole - 1 - 350 6-pole - .75 - 250 8-pole - .5 - 200 2-pole 143-326 fr - T 284-449 fr - TS 460 & 575

Horsepower Range

Voltage

Shaft Extension

4, 6 & 8-pole 143-449 fr - T

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

Agency Approvals

Industry Specifications

IEEE 841, IEEE 45 Marine Duty

Warranty (months)

60 months from date of installation or 66 months from date of manufacture, whichever occurs first

Max Ambient & Altitude

40˚C & 3300 feet

Insulation Class

H

Winding Temperature Rise

80C @1.0SF Sine wave (with some high end exceptions) 1.15 Sine wave (with some high end exceptions)

Service Factor

Per IEEE 841 - 2-pole - 50C 4,6,8 pole - 45C

Bearing Housing Rise

Division 2 Temperature Code

CSA Certified Div 2, T3 (200 C) (with some high end exceptions)

NEMA Design

B

Insulation System Inverter Capability

Non-Hygroscopic, Anti-Fungus, Polyester Resin, Trickle Treated, Tested to Exceed NEMA MG 1 Part 31

Variable Torque INF:1

Efficiency

Per IEEE 841 (NEMA Premium 1-300 HP)

Frame Material

Cast Iron

Frame/Conduit Box Gasket Frame/End Shield Seal

Neoprene Rubber

Yes

End Shield Material Conduit Box Material

Cast Iron

Cast Iron or Fabricated Steel Plate

Conduit Box Cover Gasket Conduit Box Rotation Conduit Box Hole Thread

Neoprene Rubber

HORIZONTAL NEMA MOTORS

90 degree increments

NPT

Shaft Runout

Per IEEE 841

Fan Cover Material

Cast Iron

2-pole - Bi-Directional, Non-sparking Plastic (except Uni-directional Aluminum in 449 frame) 4, 6 & 8-pole - Bi-Directional, Non-sparking Plastic

Fan

Sound Power

90 dBA sound power (with some high end exceptions)

Mounting

F1 (Field modifiable to F2)

Mounting Holes

2 per foot, 8 total 4 point cast in lugs

Lifting

Bearing Type

Single Shield Ball or Open Roller

Belted - 26,280 hrs per NEMA MG1 14.42.2 Direct Coupled - 130,000 hrs 4 and 6 Pole, 65,000 hrs 2 Pole

Bearing L10 Life

Bearing Caps

Cast Iron, gasketed

Bearing Lubricant

Polyurea

Bearing Re-Lubrication

Grease fitting & plug. Extended through the fan cover. Includes provisions for conversion to Oil Mist Lubrication

Bearing Protection

Non-contact rotating labyrinth seal on both ends

Fasteners

Hex Head, Zinc Plated

Condensation Drain

Stainless Steel T-drains at the lowest point of both end shields ISO 1940 Grade 1 Ball bearings - .040 peak in/sec Roller bearings - 4-pole - .0006 in pk-pk 6 & 8-pole .0009 in pk-pk

Balance & Vibration

Vibration Pads

Cast in vibration pads for repeatable measurements

Nameplate

316 Stainless Steel Epoxy Ester (Buff) NEMA Routine only

Paint Tests

XS.17

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